Table 2.

Opioid acute withdrawal syndrome symptoms.

System organ class

MEDRA preferred term

Cardiac disorders

Tachycardia

Gastrointestinal disorders

Diarrhea

Nausea

Vomiting

General disorders and administration site conditions

Asthenia

Chills

Pain

Pyrexia

Investigations

Blood pressure increased

Nervous system disorders

Tremor

Psychiatric disorders

Nervousness

Restlessness

Respiratory, thoracic and mediastinal disorders

Rhinorrhea

Sneezing

Yawning

Skin and subcutaneous tissue disorders

Hyperhidrosis

Piloerection