Diphenhydramine is an antihistamine used in the treatment of allergies, insect bites or stings and other causes of itching. It is also used for its sedative and antiemetic effects in the treatment of motion sickness and travel anxiety. It is also used for its antitussive effect.
Dosage and administration
Intramuscularly, subcutaneously, externally
Large ruminants: 3.0 – 6.0ml
Horses: 1.0 – 5.0ml
Small ruminants: 0.5 – 0.8ml
Dogs: 0.1 – 0.4ml
The most common adverse effects of diphenhydramine are sedation, lethargy, vomiting, diarrhea and lack of appetite.
For meat – 1 day after the last administration of the preparation.
For milk – 1 day after the last administration of the preparation.
Store in a cool and dry place, and protect from light.
For Veterinary Use Only.
Keep out of reach of children.