COWS Score for Opiate Withdrawal
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Using COWS in buprenorphine induction treatment:
- Buprenorphine is a partial opiate agonist that can precipitate florid opiate withdrawal if administered to a physically-dependent patient.
- In buprenorphine induction, it is important that a patient is already in mild to moderate opiate withdrawal prior to administration. This would be equivalent to a COWS score >5-6 (>10 preferable).
- This is important as otherwise patients experience precipitated withdrawal, a rapid and intense onset of withdrawal symptoms initiated by the medication.
- It is not reliable to use “time since last opioid use” since patients are not always truthful in reporting their last use, and metabolism varies from patient to patient.
- COWS can help set patient expectations prior to buprenorphine treatment, as they will likely experience a certain amount of discomfort.
- Opioid detoxification works best with adjunctive treatments such as psychotherapy and support groups.
Always consider the possibility of comorbid withdrawal conditions from alcohol, benzodiazepine, or sedative-hypnotics, which may be life threatening alone or in combination.