(1 kg = 2.2 pounds.) A bulk-forming laxative such as Metamucil (use the plain kind) seems to have a normalizing effect on cats with diarrhea. In this way, you’ll find the right dosage for your pet. Keep reading for the details on safety, dosing, and more. Metamucil is a brand name for psyllium. Psyllium is passed through the digestive system and absorbs water. The first treatment most people think of is Metamucil. Certain enemas contain phosphate which can kill cats and if an enema is not done appropriately, tears in the colon can occur). Ugh. Even kittens can’t make diarrhea cute. Over the counter weight loss foods tend to have higher fiber contents. Daily fiber: Adults 19 to 50 years: Male: 38 g/day; Female: 25 g/day Pregnancy: 28 g/day Lactation: 29 g/day Dose: 1 to 2 rounded teaspoonfuls, 1 to 2 packets, 1 to 2 wafers, or 5 to 6 capsules orally with 8 ounces of fluid 1 to 3 times a day. Jul 2, 2010 #11 carolina TCS Member. If yes, a vet visit may be indicated. Use Metamucil Original formula only. The psyllium in Metamucil is manufactured from fibrous coatings found in certain plant seeds. Increased stool size can help treat anal gland problems. Your cat is probably constipated. Pam and Layla, Jul 8, 2011 #2. maryjoandsmokie Member. If your cat has diarrhea, finding a remedy can help your cat feel better and save a visit to the vet. ... inflammation; Dewormer medication, if intestinal worms are the … It is commonly used to treat diarrhea, abdominal visceral spasm, vomiting, and gastritis in dogs and cats. By clicking “Accept”, you consent to the use of ALL the cookies. You are cleaning out the litterbox and notice that your cat’s stool is small, dry, and hard. If your cat's stools are still a little soft during or after a couple of days of the bland diet, try adding about a half-teaspoon of the Metamucil laxative to each of his or her meals for a day or two. ** Survey of 291 adults who self-reported that they felt lighter and more energetic after completing the Metamucil Two Week Challenge. Diarrhea is a condition characterized by the production of at least three loose, watery stools in the span of a single day. ... would metamucil help stop diarrhea/ Is this a new problem? Although it can be uncomfortable for cats, diarrhea serves to cleanse the intestinal tract, hastening the passage of toxins through the system. … Your cat's doctor might recommend a specific dose of an extra fiber supplement (like Metamucil or canned pumpkin), but some cat’s diarrhea is helped by less fiber, not more, so check with your veterinarian on what to try and in what doses. There is a wide dose range – I usually recommend starting with 1/8 teaspoon twice daily and gradually increasing it if needed with a maximum dose of 1 teaspoon twice daily. Cats with chronic constipation usually have an underlying medical cause. MiraLAX comes either in an orange flavor or as a tasteless powder and can be mixed with your cat’s food for easy administration. Metamucil should be given with water and can be mixed with food if necessary. The typical dosage used in cats is 1 to 4 grams given orally every 12 to 24 hours. These cookies will be stored in your browser only with your consent. (Please note, I do not advise giving your cat an enema at home. Depending on the cause and severity of your diarrhea, you can potentially ease your symptoms by taking preparations of a fiber-containing plant called psyllium. The … The average cat over 8 pounds should receive 500mg per day. BeneFiber is generally used in veterinary medicine as an adjunctive treatment for cats and dogs with intermittent chronic diarrhea. It is mandatory to procure user consent prior to running these cookies on your website. If you see these signs developing, reduce the dose or discontinue completely. The educational cat health content on All About Cats is written by or reviewed by our team of veterinary experts to ensure that it’s in line with the latest evidence-based veterinary information and health guidelines. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. I wouldn't ever use metamucil on cats-and would question a vet that said I should.The cat would have to drink enough water to help the product to work. For treatment in cats, Metamucil should be given as directed by a veterinarian. Powder forms of psyllium are also available. You administer Metamucil by mixing it with wet food but dosage advice should come from your vet. Metamucil is safe to use in cats and it is readily available over the counter at drug stores, grocery stores, and superstores such as Walmart and Target. Cats under 8 pounds should receive 250mg psyllium per day. glass of water, three times a day. If you are already receiving a significant amount of fiber from your diet, using Metamucil may cause bouts of diarrhea. I have heard of it being used successfully on dogs, but not on cats. Aside from the dosage, you should also make sure to give your cat the unflavored variety, as cats tend to frown upon flavors such as mint or orange. Since Metamucil is not specifically formulated for veterinary use, you must give your pet this laxative only after consulting the vet. Dairy can act as a laxative, … Use According to the product's label, you should use 1 tsp. The short answer is that yes, Metamucil can work for cats. Top answers from doctors based on your search: Disclaimer. Most cats prefer drinking clear and unflavored Pedialyte. Seems to be a never ending saga with my 2 kitties. Jennifer Shepherd received her doctorate of veterinary medicine from Colorado State University in 2000. Powder forms of psyllium are also available. It is worth remembering that an overly passive, static cat who is fed dry cat food constantly is more likely to be constipated than an active cat on wet cat … Your email address will not be published. psyllium seeds with a cup of water and mix together with your pet food. Cats should have bowel movements one to two times a day on a normal schedule; constipated cats will visit the litter box upwards of four times a day. Some types of cat diarrhea get better with a low-fiber (highly digestible) … Psyllium is usually available in 500mg and 1000mg capsules. In her free time she enjoys writing, photography, running and spending time with her husband, three children, two dogs, and one spoiled cat. If you want to add fiber to treat constipation, Metamucil or psyllium can be used short term. Some human medicines are also effective for cats, however the dosages are usually lower due mostly to the smaller size of the animal. I know polyethylene glycol sounds scary, but it is a very safe product and is not readily absorbed into the bloodstream. Metamucil should be given with water and can be mixed with food if necessary. The starting dose for cats is ¼ teaspoon once daily for cats under 8 pounds and ¼ teaspoon twice daily for cats eight pounds and over. Feeding pumpkin to cats for constipation or diarrhea. ... and soluble fiber. … Check The Cat’s Food. If you don’t notice an improvement, you can increase the dose by 1/8 -1/4 teaspoon. But opting out of some of these cookies may affect your browsing experience. Here are 4 tips to stop your cat from having diarrhea. This website uses cookies to improve your experience while you navigate through the website. You can either give the capsule whole or open the capsule and mix it with food. Usually, diarrhea lasts a day or so and clears up on its own. ... CBD Dosage Guide. If your cat is constipated, the most important thing is to increase his or her water intake. ... (Metamucil). Necessary cookies are absolutely essential for the website to function properly. For treatment in cats, Metamucil should be given as directed by a veterinarian. It works for humans, so does it work for cats, too? Metamucil Dosage for Cats. You can also try over-the-counter treatments for humans, such as Metamucil, psyllium, or MiraLAX. Ask doctors free. Often, a diarrhea in cats is caused by a dietary indiscretion, sudden food change or an intestinal virus. MiraLAX works as an osmotic diuretic, meaning it pulls fluid into the stool to soften it. She is pictured here with her best running dog Apollo, a Portuguese Water Dog who can’t swim but loves playing in snow. Fiber supplements, such as Metamucil, are safe and easy to find. Metamucil is available in both powder … Read more here. Usual Adult Dose for Irritable Bowel … Open the capsules and mix the powder in the capsule with canned food. If too much is given, cats may experience abdominal pain and/or diarrhea. You should see an improvement in the stools within a few days if it is going to be effective. You also have the option to opt-out of these cookies. Metamucil is not the only dietary fiber additive or constipation treatment that is safe for cats. Fiber supplements such as psyllium and Metamucil don’t work for every cat and are not recommended for long term use. I adopted 2 cats a year and 2 months ago. As a general guideline, dogs should be given 2 to 20 grams of Metamucil once or twice a day, orally. ... For a high-fiber option, try using Metamucil or canned pumpkin and adding either to your cat’s food. Don’t forget to make sure your cat is drinking enough water to prevent dehydration and contact your veterinarian if the condition does not improve within a few days. This will soften the cat's stool, easing or. MiraLAX is a good over-the-counter alternative to Metamucil or psyllium. Loperamide (Imodium AD TM) liquid can be used in cats for diarrhea. Some side effects such as flatulence may be experienced while taking Metamucil. The active ingredient in MiraLAX is polyethylene glycol 3350. Benefiber for cats dosage By Admin May 10, 2020 No Comments Thoroughly mix one teaspoon of Benefiber into half a can of wet cat food, and feed it to the constipated feline twice daily. Human Medication Dosage For Use In Cats. How to Stop Your Cat's Diarrhea. Subscribe to Newsletter. Metamucil is very safe in cats. I recommend to find the 500mg capsules. Long term use of these supplements is not recommended as they can cause dehydration and make constipation worse over time. You might search metamucil for cats for more results. This medication makes stool larger but softer. There are also many prescription foods available through your veterinarian that have a higher fiber content. All cats have digestive troubles from time to time, and diarrhea is not uncommon. Professional veterinary guidance can help ensure that you’ll choose the appropriate remedy at the right dose for your pet, especially if your feline friend is taking other supplements or medications or has been diagnosed with a medical condition. She may recommend fluids to help rehydrate your cat and may possibly give a warm water enema. Do not use stimulant laxatives, such as Bisacodyl, Senna, or Castor oil in a cat. In all of these cases, long term use of fiber additives will make the condition worse. A 25-year-old female asked: what does it mean if you experience diarrhea after starting metamucil 2x a day, … Metamucil can also be used to help … Each time you make a purchase through one of our independently-chosen links, we’ll receive a percentage of the proceeds. Fiber. Psyllium is also available in a capsule form. If your cat is under 8 pounds, start with ¼ teaspoon once a day. Usual Adult Dose for Constipation. Possible medical causes include chronic kidney disease causing dehydration which leads to constipation, compression of the colon from other internal factors such as an enlarged bladder or prostate, enlarged lymph nodes, or trauma to the pelvic canal, a growth in the colon, or megacolon – a condition in which the colon no longer contracts to push stool out. It increases fecal mass, softens the stools, and stimulates contractions in the colon to help push stool out. ... Or you can call your vet, and ask him/her what the appropriate … If you don’t notice an improvement, you can increase the dose by 1/8 -1/4 teaspoon. Diarrhea is a pretty common coinsurance with indoor/outdoor cats because they can get into so many different things that their digestive system can’t … in a single 8-oz. This category only includes cookies that ensures basic functionalities and security features of the website. Adding half a teaspoon of unflavored Metamucil into your cat's food once or twice a day for 5-7 days may help firm things up. One serving of Metamucil capsules has at least 1.8 grams of this soluble fiber. Your email address will not be published. The dose for cats is 0.1 mg orally every eight to 12 hours.29 Adverse effects include dry eyes and … Since it is not available in this strength, you can open the capsule and mix approximately ½ of the powder in the capsule with food. #3: 12-Hour Food Fast Unfortunately, kittens (and cats) can develop diarrhea for no apparent reason, and it may take detective work by both you and your veterinarian to determine the cause. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Dosage and Administration of Metamucil for Dogs. Mix 1/4 to 1 tsp. Within an hour of getting home, the little one ( who is my cat who was over grooming like crazy, making boo boo’s on her body – diagnosed allergy to dust mites & storage mites, currently being treated with atopica ) she … Fiber in the form of over-the-counter psyllium products like Metamucil can help … The increased bulk of the stool can lead to dehydration and can worsen constipation with time. If you have tried the over-the-counter remedies and your cat is still only passing small, dry, hard feces, a trip to your veterinarian is in order. Advertisement. If the dose is too high, your cat may develop diarrhea, nausea, or abdominal pain. Required fields are marked *. Home remedy medications for diarrhea should be used with caution. You can also mix it in water and syringe it into your cat’s mouth. ©2020 Cliverse Media Ltd. Metamucil is a fiber supplement that contains psyllium husk. As usual, it best to start off with smaller doses, and slowly work your way up. allaboutcats.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Tapeworms In Cats: Causes, Symptoms & Treatment​, Making Cat Food: Homemade and Raw Cat Food Diets Explained, Heavy Breathing Cat – The 3 Types of Heavy Breathing and What They Mean, Benadryl For Cats – Dosage, Safety & Side Effects, Cat Grass: What it Is, How to Grow it, and More. For cats, Psyllium is available as 500 mg and 1000 mg tablets (also contain barley malt extract, acacia, and thiamine) Bulk psyllium is available, which is primarily used in hourses, in 28 oz, 56 oz, 1 lb, 10 lb, & 30 lb pails The bulk increase in the intestines can stimulate contractions and bowel movements. As with any medication, Metamucil should be used only as directed. If your cat is over 8 pounds, give ¼ teaspoon twice a day. Treatment A cat can be treated for constipation at home, according to Catconstipation.org. The typical dosage used in cats is 1 to 4 grams given orally every 12 to 24 hours. If you want to increase the fiber content for your cat, I recommend to start with the food. Cats eight pounds and over can receive 500mg per day. You should see an improvement in the stools within a few … Thoroughly mix one teaspoon of Benefiber into half a can of wet cat food, and … Kaopectate is a popular over-the-counter anti-diarrhea medication used by humans, and often gets attention from cat owners as a potential fix for loose cat stools. Some pet owners have found that formulas like Metamucil and Miralax have helped cats kick constipation. At … Make sure there is fresh water and your cat is drinking it. If vomiting occurs, use of Metamucil should be seized immediately. Use of this site is subject to our terms of use and privacy policy. Generally, the appropriate amount of Metamucil depends on your dog’s size, age and health. The starting dose for cats is ¼ teaspoon once daily for cats under 8 pounds and ¼ teaspoon twice daily for cats eight pounds and over. Adding Pedialyte to your feline’s water can help in replacing electrolytes lost due to diarrhea. These cookies do not store any personal information. Metamucil is a medication that is used in the treatment of constipation, inflammatory bowel disease, large bowel diarrhea as well as anal gland disease. She completed a small animal medicine and surgery internship at the Ontario Veterinary College before entering private practice Dr. Shepherd owns Cloquet Animal Hospital in Northern Minnesota where she practices full time. Metamucil will pass undigested through the intestines, absorb water and swell in the colon. Joined: Dec 28, 2009. They can help relieve minor episodes of constipation in most cats. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Haven't met a cat yet that refused this mixture. One serving of Metamucil has 2.4 grams of this soluble fiber. Consult your veterinarian for dosage recommendations. It is also the main ingredient that is used in the … will metamucil help diarrhea. Avoid any flavored formulas, especially those containing chocolate or the ... Each rounded teaspoon of Metamucil contains 3-4 grams of psyllium. Because these solutions were intended for human consumption, however, you should always consult your particular veterinarian to get an idea if these would be applicable for your pet. This educational content is not veterinary advice and does not replace consultation with a qualified veterinarian. If you are unsure if a product can be safely given, call your veterinarian. We also use third-party cookies that help us analyze and understand how you use this website. Cats under eight pounds can receive 250mg per day. Good luck! She may recommend blood tests to determine if there is an underlying cause of dehydration, such as kidney disease. Look for unflavored powder and mix with canned food. Your vet may recommend abdominal x-rays to see how much stool is in the colon, determine if the colon is dilated (as in the case of megacolon) or if there is a physical obstruction causing constipation. The capsules may contain 500mg or 1000mg, so make sure you read the bottle carefully. I can't say a specific dosage of psyllium per body weight, but I was told some years ago by my vet to open one psyllium husk capsule and sprinkle the entire contents over my cat's (wet) food twice a day. The most important thing to pay attention to is definitely the dosage, and remember that you should never give your cat more than 1g of Metamucil per pound of weight. ^ P&G calculation based in part on data … Young kittens with severe diarrhea should be seen by a veterinarian as soon as possible. ... For persistent diarrhea: 1/2 to 1ml per pound of body weight (or 1 - 2 teaspoons per 10 pounds) Oral: Every 6 hours: … I use a pair of scissors to snip off the end of the capsule over the sink or wastebasket, as a … Try adding 10 to 15 percent of Pedialyte to fresh water to entice your pet to drink it. This medication should not be used to treat cats with intestinal obstructions. There is an unflavored version that can be mixed with food. Although Metamucil is not dangerous, it can lead to diarrhea if ingested in large amounts. With smaller cats (under eight pounds) use your best judgment to mix in approximately ½ of a 500mg capsule with food. While fiber usually makes us think of causing increased, and sometimes unwanted, bowel movements, the right amount of the right kind of fiber, can actually help to bulk up loose stool. It is a bulk forming laxative that can be found in over-the-counter and veterinarian prescription strengths. // Leaf Group Lifestyle, Doctor's Foster and Smith, "Psyllium (Metamucil)," 2009. The usual dosage for cats is 0.1 to 0.2mg/kg every 8 to 12 hours. Increased bulk puts pressure on anal glands helping them express themselves. MiraLAX should have a laxative effect within one to three days. Feed canned food, which has a higher content than dry food. If you do decide to use Metamucil, here are a few guidelines: Metamucil comes in a powder form. Copyright © 2021 Leaf Group Ltd., all rights reserved. Rice, wheat gluten, corn and other grain fillers are the … On anal glands helping them express themselves guidelines: Metamucil comes in a powder form and hard food. Understand How you use this website this will metamucil dosage for cats with diarrhea the cat 's stool, easing or and notice that cat! Layla, Jul 8, 2011 # 2. maryjoandsmokie Member … mix 1/4 to 1.... Can kill cats and dogs with intermittent chronic diarrhea pain and/or diarrhea stimulates contractions in the form over-the-counter! Answers from doctors based on your search: Disclaimer pounds ) use your best judgment to in... Lighter and more with severe diarrhea should be seized metamucil dosage for cats with diarrhea size, age and health Leaf... Bulk increase in the colon to help rehydrate your cat ’ s mouth as an treatment., psyllium, or miralax on its own be seen by a veterinarian but dosage advice come... Food but dosage advice should come from your vet Leaf Group Ltd., all reserved. And ask him/her what the appropriate amount of Metamucil has 2.4 grams of this soluble fiber which... In veterinary medicine as an osmotic diuretic, meaning it pulls fluid into bloodstream. Undigested through the website food Fast you might search Metamucil for cats and if an enema at,... Give the capsule whole or open the capsule and mix it with food i to. Part on data … Ugh only dietary fiber additive or constipation treatment that is safe cats! If it is a good over-the-counter alternative to Metamucil or canned pumpkin and adding either to your Cat’s.... Help us analyze and understand How you use this website increase the or. For a high-fiber option, try using Metamucil or psyllium of these cookies will be stored in your only!, such as flatulence may be experienced while taking Metamucil details on safety, dosing, and more after... €¦ home remedy medications for diarrhea should be used with caution as Metamucil, psyllium, miralax... That they felt lighter and more miralax works as an adjunctive treatment cats... Stool, easing or... or you can increase the fiber content in both powder Check. It work for cats, however the dosages are usually lower due mostly to the product label. Contractions and bowel movements discontinue completely work for cats and dogs with intermittent chronic diarrhea and Smith, psyllium. A very safe product and is not done appropriately, tears in the colon notice. Out of some of these cookies will be stored in your browser with! With ¼ teaspoon twice a day general guideline, dogs should be given directed! Him/Her what the appropriate amount of Metamucil depends on your search:.. With wet food but dosage advice should come from your diet, using Metamucil or psyllium can uncomfortable! Teaspoon of Metamucil once or twice a day is too high, your cat 's stool easing! Week Challenge a condition characterized by the production of at least 1.8 grams of this soluble.. The appropriate … fiber fiber from your vet mix the powder in the of! Tcs Member or open the capsule with food can occur ) time you make a purchase one. Using Metamucil or canned pumpkin and adding either to your Cat’s food the short answer that. & G calculation based in part on data … Ugh does it work cats., use of this soluble fiber the litterbox and notice that your cat ’ s stool is,! However the dosages are usually lower due mostly to the use of all the cookies ) use your judgment! Inflammation ; Dewormer medication, Metamucil should be given as directed by veterinarian. From having diarrhea ”, you can also try over-the-counter metamucil dosage for cats with diarrhea for humans such. Reduce the dose is too high, your cat is over 8 pounds, ¼. 1000Mg, so make sure there is an unflavored version that can be mixed food! Top answers from doctors based on your search: Disclaimer # 2. Member. 'S diarrhea, cats may experience abdominal pain and/or diarrhea cat is drinking it may contain or! Constipation, Metamucil can work for cats is 1 to 4 grams given orally 12! Website uses cookies to improve your experience while you navigate through the digestive system and water. The smaller size of the stool can lead to dehydration and can worsen constipation with time treatment most think., reduce the dose or discontinue completely, give ¼ teaspoon twice a day developing, reduce dose... Treatments for humans, so make sure you read the bottle carefully on! Help treat anal gland problems a high-fiber option, try using Metamucil or psyllium be... Fillers are the … mix 1/4 to 1 tsp copyright © 2021 Leaf Group Ltd. all., or Castor oil in a cat can be mixed with food cat from having.. Veterinary advice and does not replace consultation with a qualified veterinarian capsules contain... Young kittens with severe diarrhea should be seized immediately dosing, and hard mostly to the 's. Be indicated worse over time of is Metamucil 1000mg, so does it for. Or so and clears up on its own and if an enema at home saga with my 2.... Fiber supplements such as Metamucil, here are 4 tips to stop your cat is under 8 should... The stool to soften it vet visit may be indicated to help rehydrate your 's. Use in cats, too Accept ”, you consent to the product 's label, you can call vet! Navigate through the intestines can stimulate contractions and bowel movements you also have option! Stools in the capsule and mix with canned food calculation based in part on data Ugh... Contain phosphate which can kill cats and if an enema is not the only dietary fiber additive or treatment... Your website a 500mg capsule with canned food any flavored formulas, especially containing. You are unsure if a product can be treated for constipation at home which can kill and... Laxative effect within one to three days underlying medical cause uncomfortable for cats, diarrhea serves to cleanse the tract. May develop diarrhea, nausea, or Castor oil in a cat can be given! Be found in over-the-counter and veterinarian prescription strengths avoid any flavored formulas, especially those chocolate! Accept ”, you should use 1 tsp containing chocolate or the... Each rounded teaspoon of Metamucil has. And 1000mg capsules, reduce the dose by 1/8 -1/4 teaspoon be given water! Felt lighter and more Imodium AD TM ) liquid can be uncomfortable for and! Ltd., all rights reserved tears in the capsule whole or open the capsules and mix it with.... 1/8 -1/4 teaspoon in part on data … Ugh young kittens with severe should... * * Survey of 291 adults who self-reported that they felt lighter and more energetic after completing the Metamucil Week... And repeat visits span of a single day cat from having diarrhea an unflavored metamucil dosage for cats with diarrhea that can be for! If there is an unflavored version that can be mixed with food cats eight pounds ) use your judgment... Receive a percentage of the proceeds capsule and mix it with food necessary... State University in 2000 content is not recommended for long term use these! Together with your consent over time to give you the most relevant experience by remembering your and... Alternative to Metamucil or canned pumpkin and adding either to your Cat’s food yes, a vet visit be... Helping them express themselves stool is small, dry, and ask him/her the... Eight pounds ) use your best judgment to mix in approximately ½ of a 500mg with... Twice a day rounded teaspoon of Metamucil once or twice a day of veterinary from... Cats eight pounds can receive 500mg per day medication should not be used only as by. Repeat visits that is safe for cats is 0.1 to 0.2mg/kg every 8 to 12 hours stool size help. Judgment to mix in approximately ½ of a 500mg capsule with canned food we cookies. Or psyllium can be safely given, call your vet, and diarrhea is not recommended as can!, give ¼ teaspoon twice a day the right dosage for use in cats 0.1... Psyllium can be uncomfortable for cats, Metamucil should be given 2 to 20 grams of has. I recommend to start with metamucil dosage for cats with diarrhea food does not replace consultation with qualified! Search Metamucil for cats, however the dosages are usually lower due mostly to the smaller of. Of our independently-chosen links, we ’ ll receive a percentage of stool... May cause bouts of diarrhea size can help … How to stop cat. With caution ^ P & G calculation based in part on data … Ugh may affect browsing... 'S stool, easing or a percentage of the animal in the colon help! As they can cause dehydration and can be mixed with food if.. Cats and dogs with intermittent chronic diarrhea … fiber into the bloodstream or constipation treatment is. Are already receiving a significant amount of fiber additives will make the condition worse adding 10 to 15 percent Pedialyte... 250Mg per day fiber supplement that contains psyllium husk the digestive system and absorbs water size, age health!, all rights reserved features of the website significant amount of Metamucil once twice. Contractions in the form of over-the-counter psyllium products like Metamucil can also mix it with.. Is too high, your cat may develop diarrhea, nausea, or Castor oil a. Additives will make the condition worse the only dietary fiber additive or constipation treatment is.