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Medications & Supplements + English

  • Ketoconazole topical is an antifungal used in the treatment of skin infections caused by fungal organisms in cats, dogs, and other animals. It comes in a variety of forms that may be specially compounded and/or be combined with other medications.

  • L-theanine (ANXITANE®) is a nutritional supplement used to treat anxiety in dogs and cats. It is an amino acid naturally found in green tea leaves and is available as a chewable tablet.

  • Lactated Ringer’s solution (also known as LRS, Ringer’s Lactate) is a fluid and electrolyte (salts) replacement solution used to correct fluid and electrolyte imbalances in cats, dogs, birds, pocket pets (small mammals), and other animals. Lactated Ringer’s solution comes in injectable form, usually given subcutaneously for at home administration.

  • Leflunomide is an immunomodulating agent used to treat certain immune-mediated conditions in cats and dogs. It is used off label (extra label) in veterinary medicine. Leflunomide comes in a tablet form that may be specially compounded into a liquid. Wear gloves when handling and do not handle if pregnant or nursing.

  • Lidocaine/lidocaine combinations topical are local anesthetics that provide anesthesia (a numbing effect) to the skin in cats, dogs, and other animals. Combination products may contain other local anesthetics, antibiotics or antimicrobials, steroids, antihistamines, and/or cleansing agents.

  • Lime sulfur topical is a leave-on agent used to treat fungal skin infections such as ringworm (dermatophytosis) and topical yeast infections (Malassezia dermatitis) in dogs, cats, puppies, kittens, and horses. Lime sulfur topical can also be useful in the treatment of several species of skin and fur mites and lice.

  • Linezolid is an antibiotic used to treat multi-drug-resistant, gram-positive bacterial infections in cats and dogs. Its use is limited to susceptible infections with documented resistance to other antimicrobials. Its use is off label in veterinary medicine. Linezolid comes in tablet and powder forms that may be compounded into liquid.

  • LinkSkin® Spray is a topical solution designed to support the skin barrier in dogs and cats by restoring the balance of microflora on the skin. It contains heat-killed lactobacilli and can help prevent skin infections caused by bacteria and yeast.

  • 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.

  • Lotilaner + moxidectin + praziquantel + pyrantel (brand name Credelio Quattro®) is a combination antiparasitic used to protect against ticks, fleas, heartworm disease, roundworms, hookworms, and tapeworms in dogs and puppies 8 weeks of age and older and weighing at least 3.3 lb (1.5 kg). It comes in a chewable tablet to be given monthly. Its use is currently only approved for dogs.