They can add to extreme drowsiness or breathing problems caused by fentanyl.

Symptoms of overdose may include: rapid breathing, extreme drowsiness, very fast heartbeat.

Overdose symptoms may include extreme drowsiness, blurred vision, slow heart rate, trouble breathing, feeling like you might pass out.

Overdose symptoms may include extreme drowsiness, and feeling restless or agitated.

Symptoms may include: extreme drowsiness, slow/shallow breathing, inability to move.

Symptoms of overdose may include: severe stomach pain, trouble breathing, extreme drowsiness.

Lorazepam injection can cause extreme drowsiness that may last for 24 to 48 hours after you have received the medication.

Comment: Initially caused extreme drowsiness, took nuvigil to deal with.

Overdose symptoms may include extreme drowsiness, or changes in personality or behavior.

Overdose symptoms may include extreme drowsiness, nausea, vomiting, feeling like you might pass out.