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Educational Articles

Cats + Medications & Supplements

  • 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 a medication that controls flea infestations in dogs, cats, rabbits, and ferrets. It is given by mouth in the form of a tablet or liquid to dogs, cats, rabbits, and ferrets. It may also be given by injection to cats. Side effects are uncommon but may include vomiting, diarrhea, lack of appetite, tiredness, reddening of the skin, or itchiness. Do not use in pets that are allergic to it. If a negative reaction occurs, please call your veterinary office.

  • 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.

  • Marbofloxacin is given by mouth and is used on and off label to treat certain bacterial infections including leishmaniasis, tuberculosis, and hemoplasmosis. Common side effects include vomiting, diarrhea, and lack of appetite. Do not use in pets that are allergic to it or other quinolones, or in small and medium breed dogs before 8 months of age, in large breed dogs before 12 months of age, in giant breed dogs before 18 months of age, or in cats before 12 months of age. If a negative reaction occurs, please call your veterinary office.

  • Maropitant citrate (brand name Cerenia®) is given by mouth in the form of a tablet or injected under the skin and used to treat nausea and vomiting in dogs and cats. Common side effects include vomiting and increased salivation, or pain at the injection site. It is contraindicated in pets with a GI obstruction, GI toxicity, or in pets under 8 weeks old. Use caution in pets with heart or liver disease, or in pets under 16 weeks old.

  • 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.

  • Medicinal mushrooms are given by mouth and are used over the counter (and under veterinary supervision) to supplement the treatment of cancer and other conditions. Give as directed by your veterinarian. Side effects may include stomach upset, diarrhea, dizziness, and skin rash. Do not use in pets that are allergic to mushrooms, and use cautiously in pets that are pregnant, nursing, or have diabetes, clotting disorders, low blood pressure, immune-mediated disorders, liver problems, or kidney disease. If a negative reaction occurs, please call your veterinary office.

  • Medroxyprogesterone acetate is given by mouth or injection and is used off label to treat reproductive conditions, sexual behaviors, and certain types of dwarfism and alopecia. Give this medication as directed by your veterinarian. Common side effects include increased appetite, increased thirst, weight gain, sleepiness, or changes in personality. Do not use in pets that are allergic to it, pets with diabetes or uterine bleeding, or prior to puberty, during pregnancy, 1-2 months after a heat cycle, or to treat false-pregnancy. If a negative reaction occurs, please call your veterinary office.

  • Megestrol acetate is given by mouth in the form of a tablet or liquid and is used in dogs or off label in cats to postpone the heat cycle or to treat false pregnancy. It can also be used off label in male dogs to treat prostatic hypertrophy. It should not be used in pregnant pets or pets with uterine disease, diabetes, or breast tumors.