22 June 2020
: Case report 
Acute Opioid Withdrawal Mimicking Postoperative Joint Infection Following anterior cruciate ligament (ACL) Reconstruction: A Case Report
Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Unexpected drug reaction
Qingwu Kong12EFG*, Martin Griffis23EG, Brandon J. Shallop2ABCDEF, Amrit S. Khalsa23ABCDEF, Kyle Brougham2CDEF, Paul A. Marchetto4ABCDEFDOI: 10.12659/AJCR.923458
Am J Case Rep 2020; 21:e923458
Table 1. Table of patient’s examination and findings.
| Evaluated by urgent care | Evaluated by surgeon | |
| Percocet 5/325 mg, 2 tablets every 4 hours (Day 0–6) | Acetaminophen 325 mg, 2 tablets every 4 hours (Day 7–10) | |
| 101.6°F (38.7°C) | <99°F (37.2°C) | |
| No pain with ambulation | No pain with ambulation | |
| Incision healing appropriately. No erythema, warmth, or drainage | Incision healing appropriately. No erythema, warmth, or drainage | |
| Moderate | Moderate | |
| 0–90 degrees | 0–90 degrees | |
| 3 mL bloody fluid | 30 mL bloody fluid4.7 million RBC10.7 thousand WBCNo organism on Gram stain or culture |