Side Effects :
•headache
•nervousness
•restlessness
•dizziness, feeling unsteady, or having trouble keeping your balance
•heartburn
•constipation
•diarrhea
•stomach pain
•weight gain
•changes in appetite
•increased salivation
•pain, especially in the arms, legs, or joints
•tiredness
SERIOUS SIDE EFFECTS
•rash
•hives
•itching
•swelling of the eyes, face, mouth, lips, tongue, throat, hands, feet, ankles, or lower legs
•difficulty breathing or swallowing
•seizures
•changes in vision
•uncontrollable shaking of the face, tongue, or other body parts
•fever; stiff muscles; sweating; confusion; sweating; or fast, pounding, or irregular heartbeat
•problems with coordination or increased falls
•tightening of the neck muscles
•throat tightness
