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Medications & Supplements + English

  • Lincomycin is given by mouth or injection and is used on and off label to treat certain bacterial infections. Give as directed by your veterinarian. Common side effects include vomiting, diarrhea, or drooling. Do not use in pets that are allergic to it or similar drugs, in pets with a candida fungal infection, very young pets, or in rabbits, hamsters, guinea pigs, or horses. If a negative reaction occurs, please call the veterinary office.

  • Lomustine is used to treat lymphoma and tumors of the central nervous system in cats. It may be used to treat other forms of cancer as well.

  • Loperamide is used to help manage diarrhea in dogs. It helps stop diarrhea by slowing down motility (movement) in the intestines. Loperamide has also been used to treat acute colitis and malabsorption/maldigestion.

  • Lorazepam (brand names Ativan®, Lorazepam Intensol®) is a benzodiazepine medication used off label to treat behavior problems such as anxiety, fears, and phobias in cats and dogs. It can also be used to treat seizures or to stimulate appetite in cats. It is given by mouth or injection. Do not use in pets that are allergic to it or other benzodiazepines, or that have severe breathing problems, or liver disease. If a negative reaction occurs, please call your veterinary office.

  • Lotilaner is used to treat and prevent flea infestations and treat and control tick infestations in dogs and cats. After being administered to a pet, lotilaner is distributed throughout the body. When fleas or ticks bite the dog or cat, they are exposed to the drug and killed during their blood meal.

  • Low molecular weight heparin is given by injection under the skin and is used off label to treat abnormal blood clots. Give as directed. Side effects may include pain at the injection site. Do not use in pets that are allergic to any type of heparin or pork products. If a negative reaction occurs, call the veterinary office.

  • Lufenuron is classified as an insect development inhibitor. Your veterinarian has prescribed this medication for the control of fleas.

  • Lysine is given by mouth and is used on and off label to treat signs and symptoms associated with feline herpes virus infection in cats. Give as directed by your veterinarian. Side effects are uncommon but may include diarrhea. There are no specific contraindications for using this supplement. If a negative reaction occurs, please call your veterinary office.

  • Meclizine (brand names Antivert®, Dramamine® Less Drowsy Formula, Bonine®, Bonamine®, Postafen®, Univert®) is an antihistamine used off label to prevent and treat motion sickness and vomiting associated with it, in cats, dogs, and other small mammals. The most common side effect is sedation and sleepiness.

  • Medroxy progesterone acetate (MPA) is a hormone. It may be used in cats to treat behavior problems (i.e. roaming, inter male aggressive behavior, spraying, mounting), hair loss and inflammation of the skin. MPA may be used for other conditions as determined by your veterinarian.