What Is Prilosec OTC?

Written by serena spinello
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What Is Prilosec OTC?
(Prilosec OTC (www.healthexpressions.com))

Prilosec OTC (over the counter) is a proton pump inhibitor (PPI) medication, which acts to block the stomach from producing acid. Less excess stomach acid results in the alleviation of symptoms that stem from conditions such as heartburn, acid reflux, ulcers and erosive esophagitis. Additionally, Prilosec OTC can help prevent serious digestive system damage that can arise from the acid.

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Prilosec OTC is one of the strongest heartburn medicines that is available without a prescription.


Prilosec OTC works by closing down a number of stomach pumps that manufacture excess amounts of acid.


Prilosec OTC is taken in a regimen once a day, orally (typically 15 to 30 minutes prior to your first meal) for 14 days.

Product Monograph for Prilosec OTC (www.prilosecotc.com)
Product Monograph for Prilosec OTC (www.prilosecotc.com)


Prilosec OTC does not provide instant relief; it may take up to several days before it reaches its full level of effectiveness.


Prilosec OTC can have an adverse reaction when used in conjunction with particular medications, especially antifungal, anti anxiety, blood thinning and heart medicines. Side effects can include severe and persistent diarrhoea, constipation, dizziness, cough, headache, skin rash, upset stomach or flu-like symptoms.

Expert Insight

The 14-day Prilosec OTC regimen is indicated for up to three courses per year. If your symptoms persist or you require additional regimens, consult your doctor first, as the medication can reduce or cover a serious medical condition.

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