Library
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Psyllium combination supplements (e.g., DiaGel®) are used in cats and dogs to help control diarrhea and constipation. They contain psyllium seed husks and other natural products that help restore normal bowel movements. Psyllium combination supplements come in powder and liquid gel form (pre-measured syringes).
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Psyllium fiber capsules (brand name Vetasyl®) are fiber supplements used in cats and dogs to help promote bowel health. Vetasyl contains psyllium seed husks and barley malt extract powder contained in gelatin capsules.
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Pyrantel pamoate (brand names Nemex®, Nemex 2®) is an anthelmintic (dewormer). It is used to treat intestinal roundworm, hookworm, and stomach worm parasites in many species including dogs, cats, small mammals, and birds.
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Pyrethrins + piperonyl butoxide + bicycloheptene dicarboximide otic (brand name Otomite Plus®) is a medication used to treat ear mites in dogs and cats older than 12 weeks of age. Pyrethrins + piperonyl butoxide + bicycloheptene dicarboximide otic comes in a liquid drop form. It is highly toxic to aquatic species and toxic to cats if ingested.
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Pyridostigmine bromide is given by mouth or injection and is used off label to treat symptoms related to myasthenia gravis. Give as directed.
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Pyrimethamine is an antiprotozoal tablet given by mouth and used off-label to treat certain parasitic infections. Common side effects include vomiting, low appetite, tiredness, and low blood cell counts. Cats are more likely to have more severe side effects. Pregnant women should handle this medication carefully.
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Ranitidine is a type of acid reducer used to treat and prevent ulcers in the stomach and small intestines and to treat erosive gastritis, esophagitis, and esophageal reflux in dogs and cats. Ranitidine may be used to stimulate bowel activity and stomach contractions in cats and rabbits. It may also be used in rabbits to treat stomach ulcers and in ferrets to treat Helicobacter mustelae.
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Rawhide-based oral hygiene chews are chews with an abrasive texture that can help prevent or delay the formation of dental plaque and calculus build-up on your pet’s teeth. C.E.T.® Enzymatic Oral Hygiene Chews is one common brand.
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Rifampin is commonly used off label to treat infections in horses, and occasionally in dogs and cats. It is usually given by mouth in the form of a capsule or compounded liquid. The most common side effects are vomiting, diarrhea, or reduced appetite. Liver dysfunction is possible. A change in the color of urine, tears, and saliva to a red/orange color is expected but may stain fabrics. Use with caution in pets that have pre-existing liver disease, are pregnant, are elderly, or are lactating. If a negative reaction occurs, call your veterinary office.
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Rivaroxaban is an anticoagulant used to prevent or treat blood clots in cats and dogs. It is used off label (extra label) in veterinary medicine. Rivaroxaban comes in tablet form. Monitor for unusual bleeding, bruising, pale gums, extreme weakness, collapse, and/or difficulty breathing.