Does Cetirizine Make U Drowsy?
Cetirizine Is Classed as a Non-Drowsy Antihistamine, but Some People Still Find It Makes Them Feel Quite Sleepy. Common Side Effects Include Headaches, Dry...
Cetirizine is classed as a non-drowsy antihistamine, but some people still find it makes them feel quite sleepy. Common side effects include headaches, dry mouth, feeling sick, dizziness, stomach pain and diarrhoea. It's best not to drink alcohol while you're taking cetirizine as it can make you feel sleepy.
How long does cetirizine make you drowsy?
The onset of effect occurs within 20 minutes in 50% of people and within an hour in 95%. Effects persist for at least 24 hours following a single dose of cetirizine.
Why does cetirizine make me sleepy?
Unrelated to the immune system, histamine is also produced in the brain, where it plays an important part in feeling awake. Antihistamines used to treat respiratory symptoms can get into the brain and interrupt this work, making you feel drowsy.
Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.
