Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
More common
Difficulty speaking
drooling
loss of balance control
muscle trembling, jerking, or stiffness
restlessness
shuffling walk
stiffness of the limbs
twisting movements of the body
uncontrolled movements, especially of the face, neck, and back
Less common
Blurred vision
dizziness
headache
inability to move the eyes
increased blinking or spasms of the eyelid
nervousness
pounding in the ears
slow or fast heartbeat
sticking out the tongue
trouble with breathing or swallowing
unusual facial expressions
Rare
Convulsions
fast heartbeat
high fever
high or low blood pressure
increased sweating
lip smacking or puckering
loss of bladder control
muscle spasm or jerking of all extremities
puffing of the cheeks
rapid or worm-like movements of the tongue
severe muscle stiffness
sudden loss of consciousness
tiredness
uncontrolled chewing movements
uncontrolled movements of the arms and legs
unusually pale skin
Incidence not known
Hives or welts
itching skin
itching, puffiness, or swelling of the eyelids or around the eyes, face, lips, or tongue
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
redness of the skin
shortness of breath
skin rash
tightness in the chest
unusual tiredness or weakness
wheezing
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Bigger, dilated, or enlarged pupils (black part of the eye)
diarrhea
fast, pounding, or irregular heartbeat or pulse
increased sensitivity of eyes to light
lack or loss of strength
nausea
sleepiness or unusual drowsiness
vomiting
