why do antihistamines make you sleepy?

0 ⤊

just wondering. and please dont tell me because they are drugs.

2006-12-20 13:49:52 · 3 answers · asked by gtarplyr98 1 in Health ➔ Other - Health

There is an ingredient in it them cause that. There are also many antihistamines that don't make you sleepy or drowsy.

2006-12-20 13:53:12 · answer #1 · answered by Tenn Gal 6 · 0⤊ 0⤋

Do Antihistamines Make You Sleepy

2017-01-15 05:29:55 · answer #2 · answered by ? 4 · 0⤊ 0⤋

I thought they keep you awake, like a speed, not a downer. You got me. I lost now.

2006-12-20 13:58:37 · answer #3 · answered by Snaglefritz 7 · 0⤊ 1⤋