Lethal Dose Of Benadryl For Dogsabout - Gary Tesini Obituary Springfield Masupport And Help How does benadryl (diphenhydramine) overdose happen? The lethal dose of 20 to 40 mg/kg is three to five times the recommended daily dose, so an overdose on benadryl is. High doses of benadryl can cause dry mouth, difficulty urinating and constipation. If you think your dog is overdosing on benadryl, contact poison control or get to your. This case illustrates that.
Gary Tesini Obituary Springfield Masupport And Help