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A member asked:
Phenylephrine seems to have no effect on me. is it safe to try to take 20 mg of it at at time? would it do any good?
A doctor has provided 1 answer
Phenylephedrine deco: Phenylephrine 10 mg oral tablet: 10 mg orally every 4 to 6 hours not to exceed 4 doses daily. It is a decongestant that can cause blood pressure elevation. Can take up to a TOTAL of 40 mg in a 24 hour period. 20 mg at one time is safe as long as stay within the total dosage and there are no high blood pressure issues.
Answered 7/6/2017
3.2k views
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