the main ingredient in Tylenol. Opioids are abused for their potential to produce feelings of euphoria, but opioid side effects include drowsiness, nausea or vomiting, constipation, and slowed breathing
Has the potential to be abused. Extended or over-use may lead to dependence and tolerance. A rapid dose decrease or an abrupt discontinuation may cause withdrawal symptoms such as anxiety, abnormal dreams, nausea, and an upset stomach.