Vetphen Bolus (Diphenhydramine Hydrochloride) is an antihistaminic drug. It also has substantial sedative, anticholinergic, anti-tussive and anti-emetic effects. It inhibits histamine release by blocking H1 receptors.
Dosage and administration:
Bolus: For oral administration only.
Large animals: 1 bolus/125-250 kg body weight.
Small animals: 1 mg/kg body weight.
Dogs, Cats: 2-4 mg/kg body weight 2-3 times daily.
Or, as Directed By Veterinary Physician.
Animals hypersensitive to Diphenhydramine Hydrochloride or any other antihistamine.
CNS depression (drowsiness), anticholinergic (dry mouth, urinary retention), diarrhea etc. may occur in some cases.
Use in Pregnancy & Lactation:
Use in pregnancy has not been determined. However, risk & necessity should be considered during administration in pregnant & lactating animal.
Meat-7 days; Milk-2 days.