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Medications & Supplements

  • Dexamethasone is given on and off label, by mouth or injection, to treat various inflammatory, autoimmune, and adrenal gland conditions. It can also be used off label as a diagnostic test. Common side effects include increased drinking, urination and/or appetite, dull/dry haircoat, weight gain, pot-bellied appearance, muscle weakness, panting, vomiting, or diarrhea.

  • Dexamethasone ophthalmic is a topical steroid medication used to treat inflammatory eye conditions in cats, dogs, rabbits, avian species, and other animals. Dexamethasone ophthalmic may be used alone or in combination with an antimicrobial. Dexamethasone ophthalmic comes in ointment and liquid drop form. Avoid use in animals with corneal ulcerations or corneal infections.

  • Dexamethasone Otic is a steroid medication used in pets to treat topical inflammation of the ears, often with other medications such as antibiotics. It comes as a liquid solution that is prescribed for topical use within a pet’s ear canal. There are no veterinary brands of dexamethasone otic.

  • Dexmedetomidine (brand name: Sileo®) is a sedative/tranquilizer used primarily in cats and dogs as a pre-medication injection for anesthesia or for chemical restraint. It is also used orally in dogs for short-term anxiety management. The most common side effect is a low heart rate. Dexmedetomidine should not be used in patients with severe heart liver or kidney disease. It should be used cautiously in young, old, or weak animals. Consult your veterinary office immediately if you suspect a negative reaction or overdose.

  • Dextromethorphan + Guaifenesin (brand name: Cough Tabs®) is given by mouth as a tablet and is used off label to reduce cough in dogs and cats or to treat compulsive behavior. Side effects are uncommon, but serious adverse reactions associated with this drug may occur without warning. Contact your veterinarian if you notice anything out of the ordinary.

  • Diazepam (brand names: Valium®, Diastat®, E Pam Tab®, Meva®l, Vivol®) is used as a muscle relaxant, anti-anxiety medication, appetite stimulant, and an anti-seizure medication. It is also used as a preanesthetic in hospital. It is used off label to treat anxiety, seizures, tense muscles, or decreased appetite. Give as directed by your veterinarian.

  • Diclofenac ophthalmic is a topical nonsteroidal anti-inflammatory medication used to treat inflammatory eye conditions in cats, dogs, rabbits, avian species, and other animals. Diclofenac ophthalmic comes in liquid drop form.

  • Digestive lubricants and hairball gels (e.g., Laxatone®) are oil-based lubricants that are given as supplements to help prevent and eliminate hairballs in cats. They come in oral gel format and are available in several flavors.

  • Dimenhydrinate (brand name: Dramamine®) is given by mouth or injection and is used off label to treat nausea and motion sickness, and occasionally itchiness. Give as directed by your veterinarian. Common side effects include sleepiness, dry mouth, and difficulty urinating. Do not use in pets that are allergic to it or similar antihistamines, that are very young, or that are undergoing antigen skin testing within the next two weeks. If a negative reaction occurs, please call your veterinary office.

  • Dinotefuran + permethrin+ pyriproxyfen (brand name Vectra 3D®) is a topical (spot-on) antiparasitic drug that is applied directly to the skin. It is used to repel and kill fleas, ticks, mosquitoes, biting flies, sand flies, and biting/chewing lice in dogs and puppies that are at least 8 weeks of age and weigh at least 2.3 kg (5 lb). NEVER use in cats and avoid using in households with cats, if possible. Permethrin is poisonous to cats and any exposure may be fatal.