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betagen topical spray

Betagen is a topical spray used on dogs for the treatment of infected superficial lesions caused by bacteria. It contains gentamicin, an antibiotic, and betamethasone, an anti-inflammatory.

For: Dogs


How it works: Betagen is a combination of an antibiotic to treat bacterial infections and a corticosteroid to treat any accompanying inflammation or itching.

Cautions: Betagen should not be used for more than 7 days unless otherwise directed by your veterinarian. Do not use if your pet has a viral or fungal infection. Tell your veterinarian if your pet is pregnant or lactating.

Betagen Topical Spray:
Active Ingredients (per ml) Amount
Gentamicin Sulfate 0.57 mg
Betamethasone Valerate 0.284 mg
Isopropyl Alcohol 163 mg
Propylene Glycol
Methylparaben (a preservative)
Propylparaben (a preservative)
Purified Water
* Hydrochloric acid may be added to adjust pH.


Dosage & Administration: Use this medication exactly as directed by your veterinarian. If you do not understand the directions ask the pharmacist or veterinarian to explain them to you. Wash your hands prior to using the eye ointment. Apply a thin film of the ointment into the lower eyelid. If applying another medication to the same eye, wait 10 minutes before the next application. Store B.N.P. Triple Antibiotic Ophthalmic Ointment at room temperature, away from moisture and heat. Keep the tube properly capped.


Tip: Do not use Betagen Topical Spray if your pet has a viral or fungal infection.

Pet Weight Dosage
Dogs: All weights Hold the spray bottle upright and 3-6 inches away from the affected area. The usual dose for dogs is 2 sprays administered 2-4 times a day for 7 days
Cats X X
Horses: X X
Storage: Store this product at room temperature, away from moisture and heat.

Possible side effects of Betagen: Serious side effects are not expected. Prolonged use of this medication may give rise to the overgrowth of nonsusceptible organisms such as fungi and yeasts. Weight loss, increased thirst and urination, vomiting and diarrhea have occurred in animals following the use of synthetic corticosteroids. Continue the medication and talk to your veterinarian about any side effect that seems unusual or bothersome to the animal.

If you miss giving a dose: Apply the missed dose as soon as you remember. However, if it is almost time for the next regularly scheduled dose, skip the missed dose and apply the next one as directed. Do not give a double dose of the medication.

If you overdose the pet: An overdose of this medication is unlikely. If an overdose is suspected, seek emergency veterinary medical treatment.

What should I avoid while giving Betagen: Do not use this medication in pets allergic to it or any of the individual ingredients. Treatment beyond 7 days may lead to prolonged wound healing.

What other drugs will affect Betagen: Before using Betagen Topical Spray, tell your veterinarian if your pet is using other antibiotic or corticosteroid medications either topically or by mouth. Talk to the veterinarian or pharmacist before giving any prescription or over the counter medicines.