Some adverse effects reported with Sertraline include dry mouth, gastro-intestinal disturbances such as nausea, vomiting, dyspepsia, constipation and diarrhea. Anorexia and weight loss may also occur. Neurological adverse effects have included either anxiety, restlessness, nervousness and insomnia, or drowsiness and fatigue; headache, tremor, dizziness, convulsions, extrapyramidal effects and sexual dysfunction.