Can Benadryl Cause Frequent Urination In Dogs?

Can Benadryl Cause Frequent Urination In Dogs? Because of Benadryl’s dehydrating effects, it may cause dry mouth, constipation, blurred vision, and urinary retention, which can increase the risk of developing urinary tract infections (UTIs) or affect kidney function. What are the side effects of Benadryl in dogs? Diarrhea. Vomiting. Decreased appetite. Increased appetite. What medications