Library
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Levothyroxine is thyroid hormone replacement given by mouth in the form of a tablet or capsule. It is used to treat hypothyroidism and its use in cats and certain exotic animals is off label. This medication should not be used in pets with certain heart conditions, untreated Addison's disease, or hyperthyroidism.
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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.
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Lokivetmab is given by injection and is used on and off label to treat itchiness in dogs. Give as directed. Side effects are uncommon but may include vomiting, diarrhea, sleepiness, lack of appetite, or pain at the injection site. Do not use in pets that are allergic to it. If a negative reaction occurs, please call the veterinary office.
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Lomustine is given by mouth and is used off label to treat certain cancers such as mast cell tumors and brain tumors. Give this medication as directed by your veterinarian. Common side effects include vomiting, diarrhea, lack of appetite, and hair loss. Do not use in pets that are severely allergic to it. If a negative reaction occurs, please call your veterinary office.
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Loperamide is given by mouth and is used off label to treat signs of diarrhea. Give as directed by your veterinarian. Common side effects include constipation, bloat, and sleepiness. Do not use in pets that are allergic to it, that have diarrhea due to an infection or a toxin, or that are positive for the MDR1 gene. If a negative reaction occurs, please call your veterinary office.
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Lorazepam is given by mouth or injection and is used off label to treat behavioral disorders such as fears, phobias, and anxiety, as well as to treat seizures and to stimulate appetite in cats. Common side effects include sleepiness, muscle weakness, incoordination, increased appetite (cats), drooling, aggressive or unusual behavior, increased activity or anxiety, and vocalization. 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.
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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.
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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.
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Lufenuron is an FDA-approved medication given by mouth in the form of a tablet, liquid, or injection (cats only) to treat flea infestations. 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.
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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.