The study was conducted to record the prevalence of allergic dermatitis in canine amongst the dermatitis cases presented at the Veterinary Clinics and Teaching Hospital, F.V.Sc & A.H., R.S Pura, Central Veterinary Hospital Talab Tillo in Jammu region. Diagnosis was done by intradermal skin testing, IgE level, clinical score status on the basis of CADASI. Prevalence of allergic dermatitis was 1.93% (18/930) with maximum prevalence recorded in month of July (27.77%) from the cases. Amongst the allergic dermatological affl ictions in canine population, different types of dermatitis observed were atopic (61.11%), fl ea allergy (16.66%), contact allergy (16.66%) and drug allergy (5.55%). Dogs belonging to the age group of two to four year were found most susceptible to allergic dermatitis. Males were found to be more susceptible to allergic dermatitis than females. Staphylococcus spp. and Streptococcus spp. were the main bacteria isolated from secondary bacterial dermatitis cases.