Multiple choice

Antihistamines are used to treat allergies. Which of the following is a first generation antihistamine?

  1. Azines

  2. Nicotinamide

  3. Pyridoxal

  4. Mepyramine

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mepyramine, also known as pyrilamine, is a first generation antihistamine, targeting the H1 receptor.However, it rapidly permeates the brain often causing drowsiness. It also has anticholinergic properties.