COWS Score for Opiate WithdrawalBy Dr. Costa / July 3, 2025 Clinical assessment toolCOWS Calculator Clinical Opiate Withdrawal Scale (COWS) for assessing the severity of opioid withdrawal.Assessment findingsChoose the one finding that best matches each item. All 11 items are required. Please complete every assessment item before calculating the score. COWS score 0 Severity Use this score alongside clinical assessment and local protocols; it does not replace clinical judgement. Calculate score Clear form