how long is a written prescription valid?!
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Answers:
Actually it depends on the script, there are some prescriptions that are only good for 7 days. If you are not sure what it is bring it to ur local pharmacy and they will help you out.
Other Answers:
Should be 1 year unless it's a controlled substance.then it is 30 days.
Source(s):
personal experience
depending on the tpye a year if its for pain meds maybe six moths at some places
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