Possible Side Effects
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Anxiety; constipation; cough; diarrhea; dizziness; drowsiness; dry mouth; fatigue; headache; increased appetite; increased saliva production; indigestion; lightheadedness; nausea; restlessness; runny nose; stomach pain or upset; trouble sleeping; vomiting; weight gain.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing or swallowing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); abnormal thoughts; confusion; drooling; fainting; fast or irregular heartbeat; fever, chills, or persistent sore throat; inability to control urination; increased sweating; new or worsening mental or mood changes (eg, aggression, agitation, depression, severe anxie ...more