From my drug guide:
Side effects (more common ones in bold face) CNS: Headache, nervousness, anxiety, insomnia, drowsiness, fatigue, tremor, dizziness. CV: Palpitations, hot flushes, chest pain. GI: Nausea, diarrhea, anorexia, dyspepsia, increased appetite, dry mouth. Skin: Rash, pruritus, sweating, hypersensitivity reactions. Special Senses: Blurred vision. Body as a Whole: Myalgias, arthralgias, flu-like syndrome, hyponatremia. Urogenital: Sexual dysfunction, menstrual irregularities.
Interactions
Drug: Concurrent use of tryptophan may cause agitation, restlessness, and GI distress; mao inhibitors, selegiline may increase risk of severe hypertensive reaction and death; increases half-life of diazepam; may increase toxicity of tricyclic antidepressants; amphetamines, cilostazol, nefazodone, pentazocine, propafenone, sibutramine, tramadol, venlafaxine may increase risk of serotonin syndrome; may inhibit metabolism of carbamazepine, phenytoin, ritonavir; increased ergotamine toxicity with dihydroergotamine, ergotamine. Herbal: St. John's wort may cause serotonin syndrome.
Requires approximately 2–3 wk for therapeutic effects to be felt.
Monitor for and report increased anxiety, nervousness, or insomnia; may need modification of drug dose.
Monitor for seizures in patients with a history of seizures. Use appropriate safety precautions.
Supervise patients closely who are high suicide risks; especially during initial therapy.
Relax... I'll need some information first. Just the basic facts - can you show me where it hurts?