Answer by
shastie (1601)
Some of the most common side effects are, decreased sweating, dizziness, drowsiness, mouth dryness, nasal congestion, and mild constipation. Some more rare and more serious side effects are, blurred vision, fainting, loss of balance,and stiffening of arms or legs. Some very serious side effects are, puffing of checks, twitching, and increased blinking or eyelid spasms.