Ambien may cause a severe allergic reaction. Stop taking Ambien and get emergency medical help if you have any signs of an allergic reaction to zolpidem: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Report any new or worsening symptoms to your doctor, such as: depression, anxiety, aggression, agitation, confusion, unusual thoughts, hallucinations, memory problems, changes in personality, risk-taking behavior, decreased inhibitions, no fear of danger, or thoughts of suicide or hurting yourself. Stop using Ambien and call your doctor at once if you have:
- chest pain, fast or irregular heartbeat, feeling short of breath;
- trouble breathing or swallowing; or
- feeling like you might pass out.
Common Ambien side effects may include:
- daytime drowsiness, dizziness, weakness, feeling "drugged" or light-headed;
- tired feeling, loss of coordination;
- stuffy nose, dry mouth, nose or throat irritation;
- nausea, constipation, diarrhea, upset stomach; or
- headache, muscle pain.