What are some of the common side effects observed with antihistamines? March 31, 2020 01:00 Updated DizzinessDry mouthDrowsinessFeeling nervous, excited, or irritableChanges in vision, such as blurry visionDecreased appetite Related articles Can I drink alcohol when I take antihistamines? What are leukotriene receptor antagonists? What are the examples of the STIs?
