<prompt> The following symptoms may be seen in opium withdrawal:ConstipationLacrimationDry nose and mouthConstipation  <response>: Withdrawal symptoms of opium are lacrimation, sweating, yawning, anxiety, apprehension, restlessness, rhinorrhoea, and tremors seen 8-12 hours after the last Dose. Ref: KD Tripathi 8th ed. 