Hi, Duloxetine is an antidepressant medication which is used to treat depression and anxiety. It is also used to treat nerve pain like fibromyalgia and can be used to treat stress urinary incontinence in women. It may cause shortness of breath, cough, muscle cramps, shakiness, tingling sensation in hands and feet, tremor etc. Other side effects are nausea, vomiting, headache, dizziness, blurred vision, diarrhea or constipation, dry mouth, sweating, loss of appetite, tiredness, loss of libido, chest tightness, erectile dysfunction, difficulty in reaching orgasm, agitation, weakness, restlessness, confusion, liver problems, easily bruising, gums bleeding, changes in periods, dizziness, drowsiness, irritability, abnormal behaviors, allergic reactions etc. If you experience such type of side effects for long or bother you, then immediately consult your doctor for medical help. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Zubayer Alam, General And Family Physician