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, but they do cause pimples
Ultram can cause drowsiness.
sometimes
Yes.
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.
Yes
tse tse fly which is usually found in Africa in the Sharan region
Ketoprofen is a medication which is used to treat the inflammation of arthritis. It is known to cause drowsiness and dizziness in some people. Check with your doctor if it is severe.
Methocarbamol is not a narcotic, but it can cause drowsiness.
yes