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Pet Health Library

Dogs + Medications & Supplements

  • Gabapentin is given off label and by mouth and is used to treat pain and seizures in cats and dogs. It is also used to treat fear and anxiety for short periods in cats. The most common side effects include sleepiness and incoordination. Do not use this medication in pets that are allergic to it, and use cautiously in pregnant pets or those with kidney disease. Some liquid oral formulations contain xylitol, so read the label before administering. If a negative reaction occurs, please call your veterinary office.

  • Gentamicin + betamethasone ophthalmic is a steroid anti-inflammatory eye medication with antibiotic used for the treatment of external eye infections and inflammation of the eye in dogs. It is also sometimes used to manage pannus or pigmentary keratitis in dogs. It may be used off-label in cats and horses.

  • Gentamicin ophthalmic is used in the eye to treat bacterial infections. Side effects may include increased redness or eye irritation. Do not use this medication if your pet is allergic to it or has a full-thickness wound to the eye. If a negative reaction occurs, please call your veterinary office.

  • Gentamicin topical formulations are used to treat bacterial infections. The ophthalmic formulation is used off label to treat external ear infections by topically applying the medication directly to the ear canal. Side effects may include increased redness or inflammation. If these effects occur, discontinue the medication and call your veterinarian. If you suspect an overdose or an adverse reaction to the medication, call your veterinary office immediately.

  • Gentamicin topical is an antimicrobial medication used to treat bacterial infections of the skin. It is approved for use as a spray in dogs to treat surface bacterial infections of the skin. It can be found in combination medications to treat other types of surface infections in dogs, including ear infections. It is used “off label” or “extra label” in other animals.

  • Ginger is given by mouth and is used off label and over the counter to treat nausea, vomiting, inflammation, and other conditions. Give as directed by your veterinarian. Side effects are uncommon but might include mild stomach discomfort, diarrhea, or gas. Do not use in pets that are allergic to it or that have gallbladder disease. If a negative reaction occurs, please call your veterinary office.

  • Ginkgo is given by mouth and is used on and off label and over the counter to treat cognitive dysfunction, vascular problems, retinal disease, or breathing problems. Give as directed by your veterinarian. Side effects are uncommon but may include vomiting, diarrhea, or skin allergic reactions. Do not use in pets that are allergic to it, have a bleeding disorder, or are pregnant or nursing. If a negative reaction occurs, please call your veterinary office.

  • Ginseng is given by mouth and is used off label and over the counter to treat a variety of conditions including low energy, heart problems, Addison’s disease, cognitive function, and low immune system. Give as directed by your veterinarian. Side effects are uncommon but may include diarrhea, restlessness, or increased blood pressure. Do not use in pets that are allergic to it, are pregnant or are nursing. If a negative reaction occurs, please call your veterinary office.

  • Giving pills to dogs can be a challenge, even for the most experienced veterinarian! The easiest way to give your dog a pill is to hide the pill in food. Some dogs will always find the pill and spit it out, so you may need to administer it directly into your dog's mouth. This handout provides a step-by-step guide to doing this at home.

  • Glipizide is given by mouth and is used off label to treat high blood sugar in cats with mild type 2 diabetes. Give as directed by your veterinarian. Common side effects include temporary vomiting and a lack of appetite. Do not use in pets that are allergic to it or other sulfonamides, or in pets with trauma, infection, diabetic coma, low blood sugar, or diabetic ketoacidosis. If a negative reaction occurs, please call the veterinary office.