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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Vomiting After Taking Acyclovir?

My boyfriend has taken acyclovir for 3 days and by the 3rd night began vomiting and having terrible stomach pains and has continued to vomit anything for the last 15 hours. Could this be a side effect and should he stop taking it? Or could it be the flu and he should continue the pills when he feels better?
Mon, 24 Nov 2014
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General & Family Physician 's  Response
Hello
Acyclovir is used for antiviral treatment in herpes etc (viral fever etc) .
In few patients this may develop hyper acidity , nausea , vomiting abdominal discomfort . These are common symptoms associated with few drugs , so your BF develop vomiting.
Need not to stop drug , rather take some antacid and also take some proton pump inhibitors like pantaprazole-d once or twice in day on empty stomach .
When such patient visit with these symptoms I advise them to take pantaprazole- on empty stomach two times in day and accyclovir after meal .
Since this is a prescription medicine so for prescription consult your treating physician.
Hope this will help you.
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What Causes Vomiting After Taking Acyclovir?

Hello Acyclovir is used for antiviral treatment in herpes etc (viral fever etc) . In few patients this may develop hyper acidity , nausea , vomiting abdominal discomfort . These are common symptoms associated with few drugs , so your BF develop vomiting. Need not to stop drug , rather take some antacid and also take some proton pump inhibitors like pantaprazole-d once or twice in day on empty stomach . When such patient visit with these symptoms I advise them to take pantaprazole- on empty stomach two times in day and accyclovir after meal . Since this is a prescription medicine so for prescription consult your treating physician. Hope this will help you.