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Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Cat Veterinary
Satisfied Customers: 23845
Experience:  University of California at Davis graduate veterinarian with 44 years of experience.
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Have a 11yr. old cat that is constipated what can we give

Customer Question

Have a 11yr. old cat that is constipated what can we give him?
Submitted: 6 months ago.
Category: Cat Veterinary
Expert:  Dr. Michael Salkin replied 6 months ago.
Medical therapy includes stool softeners or laxatives (e.g., lactulose*, 0.25-0.5mg/kg every 8-12 hours; or docusate sodium/dioctyl sulfosuccinate/Colace, 50mg/cat every 12-24 hours; or mineral oil flavored with vegetable oil at 10-25ml/cat per day) and prokinetics (cisapride*, 0.1-1mg/kg every 8-12 hours or 2.5-5mg/cat every 8-12 hours). Lactulose is the most effective stool softener and is given to effect daily to maintain a soft to semiformed stool (usual dose after titration : 1-4ml/cat every 8-12 hours). Bulk forming laxatives (cellulose, psyllium seed/Metamucil) will not be effective in cats prone to dehydration or in cats with poor colonic muscle function because their mechanism of action is similar to high-fiber diets (see below).Stimulant laxatives (e.g., bisacodyl, castor oil, cascara) should not be used for relieving constipation but are best used as a preventative in cats that still have normal colonic function.Prokinetic therapy may assist smooth-muscle function in cats with recurrent constipation or obstipation. The most effective drugs are the serotonergic agonists (cisapride*, e.g.) and histamine H2 receptor antagonists (ranitidine/Zantac, 1-2mg/kg every 8-12 hours).A high-fiber or low-residue diet may be of value. High fiber diets induce colonic contraction when the patient still has a functional colon and is well hydrated. Avoid high-fiver diets in patients that are prone to dehydration (can exacerbate it). Low residue diets are often best in patients with chronic recurrent episodes of obstipation or true megacolon because they reduce the amount of material reaching the colon and make it easier to keep a soft stool. These diets are available from your cat's vet. *prescription drugs Please respond with further questions or concerns if you wish.
Expert:  Dr. Michael Salkin replied 6 months ago.

I'm just following up on our conversation about your pet. How is everything going?

Dr. Michael Salkin

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