Piloerection in Opioid Withdrawal
Piloerection. Piloerection may be noted with acute opioid withdrawal. (Photo contributor: Division of Medical Toxicology, University of California, San Diego.)

Read More about Opioid Withdrawal in Context:
The Atlas of Emergency Medicine, 4e: Chapter 17. Toxicological Conditions > Opioid Toxicity
Read More about Opioid Withdrawal:
Current Diagnosis and Treatment Psychiatry, 3e: Chapter 50. Opioid Use Disorders
Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 9e: Chapter 186. Opioids
Goodman and Gilman’s The Pharmacological Basis of Therapeutics, 13e: Chapter 20: Opioids, Analgesia, and Pain Management