Top answers from doctors based on your search:
How long does Sudafed stay in your body
A 69-year-old female asked:

Dr. Lynne Weixel answered
36 years experience Clinical Psychology
Half-life 5-8 hrs: That's an approximate range since doses and bodies can vary. So, the drug should be out of your system within a day. Hope this info is helpful.
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A 39-year-old member asked:

Dr. Gregory Bussell answered
Specializes in ENT and Head and Neck Surgery
About 30 minutes: Usually starts in 30 minutes and lasts about 8 hours depending on the dose.
A 24-year-old female asked:

Dr. Al Hegab answered
40 years experience Allergy and Immunology
Sudafed: Children's sudafed is low dosage, but how much have you taken of it, at any rate it would wear off in about 8 hours and get out of your system in a da ... Read More
A 36-year-old female asked:

Dr. Stephen Southard answered
15 years experience Internal Medicine
You can: Take the two basically at the same time, as there is no clearly concerning interaction. Realize the Sudafed may make you "hyper" while the tramadol m ... Read More
A 32-year-old female asked:

Dr. John Chiu answered
57 years experience Allergy and Immunology
Yes: Sudafed does not cause sedation and theoretically may even counteract some of the sedating effect from alcohol. Do realize that female cannot tolerat ... Read More
A 64-year-old male asked:

Dr. Keshab Paudel answered
19 years experience Internal Medicine
No: Its not recommended to use sudafed for long term as it causes side effects.
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A 23-year-old male asked:

Dr. Jeffrey Juchau answered
33 years experience Family Medicine
No interactions: Are found according to my references.
A 52-year-old female asked:

Dr. Marsha Davis answered
28 years experience Internal Medicine
Depending: On how long you used it and how much probably 3-4 days. Couldn't you take a letter from your doc stating you had a prescription to use them??
A 20-year-old female asked:

Dr. Roy Arnold answered
47 years experience Internal Medicine
Temporary relief: in 12-24 hours. Not a long term solution. If postnasal drip is due to a viral infection it should clear in 5-7 days. If due to an allergy, different m ... Read More
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A 23-year-old male asked:

Dr. Heidi Fowler answered
25 years experience Psychiatry
Safe: No drug interactions noted with regular Sudafed and Ambien. And no drug interactions noted between Claritan and Ambien per the Drugs.Com drug interac ... Read More
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