Allegra may cause dizziness. It does not usually cause drowsiness when used under normal circumstances at the recommended doses. However, these effects may be worse if you take Allegra with alcohol or certain medicines. Use Allegra with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it. Read more at http://www.drugs.com/cdi/allegra.html#w44pybiUPvSTsa5w.99
Yes, just like any other opiate it can cause drowsiness in some people.
In general, drowsiness is feeling the need to sleep. Or many of these are known to cause fatigue and daytime drowsiness.
no
Ultram can cause drowsiness.
no, but they do cause pimples
Yes.
sometimes
It is possible that birth control can cause drowsiness. If this is a persistent issue it is best to consult a health care provider.
High altitudes do cause drowsiness because there is less oxygen in the air, so you can't breathe normally.
The active ingredients of Allegra and Benadryl are different and do not react with each other. Therefore, it is possible to take both. Do be aware, however, that this combination may increase the side effect of drowsiness.
Yes