Can Taking Antihistamines Cause Dehydration?
Can Taking Antihistamines Cause Dehydration? Can taking antihistamines cause dehydration? Medications can also affect your level of hydration. Certain antihistamines, blood pressure medicines, laxatives, diuretics and chemotherapies can cause dehydration. What is the most common side effect of antihistamines? Drowsiness. Dry mouth, dry eyes. Blurred or double vision. Dizziness and headache. Low blood pressure. Mucous