Timepidium bromide
Encyclopedia
Timepidium bromide is an anticholinergic
. The quaternary nitrogen prevents it from crossing the blood brain barrier, so it is peripherally acting with no central side effects.
Anticholinergic
An anticholinergic agent is a substance that blocks the neurotransmitter acetylcholine in the central and the peripheral nervous system. An example of an anticholinergic is dicycloverine, and the classic example is atropine....
. The quaternary nitrogen prevents it from crossing the blood brain barrier, so it is peripherally acting with no central side effects.