Seek immediate medical attention if any of these rare but very serious side effects occur: fast/shallow breathing, confusion, severe dizziness/fainting, high fever, muscle stiffness, unusual sweating.

Get medical help right away if you have any very serious side effects, including: signs of a heart attack (such as chest/jaw/left arm pain, shortness of breath, unusual sweating).

Tell your doctor immediately if you have symptoms such as increased thirst or urination, unusual sweating, shakiness or hunger.

Nausea, drowsiness, dizziness, dry mouth, constipation, loss of appetite, blurred vision, nervousness, trouble sleeping, unusual sweating, or yawning may occur.

Hot flashes, hair loss, joint/bone/muscle pain, tiredness, unusual sweating, nausea, diarrhea, dizziness, and trouble sleeping may occur.

Symptoms of overdose may include: confusion, unusual sweating, blurred vision, unusually fast heartbeat.

Tell your doctor immediately if any of these unlikely but serious side effects occur: eye pain, flushing, diarrhea, nausea, stomach/abdominal pain or cramps, increased saliva, unusual sweating, vision changes.

Symptoms of overdose may include: severe drowsiness, slow breathing, severe dizziness, persistent nausea/vomiting, unusual sweating.

Get medical help right away if you develop chest pain/tightness/pressure, chest pain spreading to the jaw/neck/arm, unusual sweating, trouble breathing, or fast/irregular heartbeat.

Tell your doctor immediately if any of these unlikely but serious side effects occur: vision changes, eye pain, muscle pain, unusual sweating or shakiness (signs of low blood sugar).