A 41-year-old member asked:
How old does belladonna/phenobarbital have to be before it is not safe to use?
1 doctor answer • 7 doctors weighed in
Psychiatry 24 years experience
Best.Read Expiration: It is always best to use medication before its expiration date listed on the prescription.
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4.9k viewsReviewed >2 years ago
Last updated May 8, 2016
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