Will taking Claritan for my allergies make my heart rate increase?

Question

I have great cardio endurance, so even in my toughest cardio classes my heart rate rarely goes above 162 bpm. Last week my allergies were horrible and I started taking Claritan in the morning. Suddenly my heart rate (in cardio class) was in the 170s. Is it because of the medicine or could it be something else?

Answer 1

antihistamines often increase heart rate and blood pressure.

Answer 2

Claritan made my heart rate go up too and I wasn't even in cardio class or anything. My Doc said it may have been a reaction and to stop taking it.

Ask your Doctor.