This is a drug drug so it can cause misbehavior and addiction. The common side effects of tramadol are nausea, mild headache, headache, dizziness, constipation and vomiting. Drowsiness and dry mouth are some of the less common adverse effects that are caused by the tramadol pill. Alcohol should not be taken while using this drug because it can have serious side effects and can reduce the effectiveness of the tablet. If your medication does not work effectively or you experience any symptoms, do not stop using the tablet immediately. Consult the doctor before deciding to stop taking the pill.