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A member asked:
How long does it take for zantac (ranitidine) 150 to completely leave your system? i took 1 dose 2 nights ago and am having abdominal pain and i'm very lightheaded
A doctor has provided 1 answer
Get yourself checked: Zantac (ranitidine) 150 mg should leave your body in less than 24 hours. It should not case any of the symptoms that you are describing. You need to see a doctor for alternative explanation of your symptoms.
Answered 5/10/2021
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