Diphenhydramine is an antihistamine used in the treatment of allergic reactions, acute inflammation, insect bites or stings and other causes of itching. It is widely used for the treatment of animals such as cattle, goats, sheep, horses and camels. It is also used for its sedative and antiemetic effects in the treatment of motion sickness and travel anxiety. lt is also used for its antitussive effect.
It is not to be used in animals that are allergic antihistamines. It is not to be used in animals with glaucoma, prostate disease urinary obstruction and high blood pressure.
Side effects include drowsiness, dry mouth and urinary retention. Rare side effects include: vomiting, diarrhea and decreased appetite. Do not use in pregnant or nursing animals.
For intramuscular administration:
Horses, camels and cattle: 4 - 20 ml.
Calves, goats and sheep: 1.5 - 2.5 ml.
Milk: 7 days.
Meat: 28 days.
Store below 30℃. Protect from light.