GERD Home > General Information on Prilosec OTC

Dosing Information

There is just one dose of Prilosec OTC recommended by the manufacturer (Prilosec OTC 20 mg once daily). However, your healthcare provider may recommend a different dose, depending on a number of factors, including:
  • Your age
  • The medical condition being treated
  • Other medical conditions you may have
  • Other medications you may be taking.
As with any medication, do not take more than recommended unless your healthcare provider specifically instructs you to do so.
(Click Prilosec Dosage for more information about dosing guidelines for all forms of Prilosec, including Prilosec OTC.)

Side Effects of Prilosec OTC

As with any medicine, side effects are possible with Prilosec OTC. However, not everyone who takes it will experience side effects. In fact, most people tolerate the medication well. If side effects do occur, in most cases, they are minor and either require no treatment or can easily be treated by you or your healthcare provider. Serious side effects are less common.
Based on studies of prescription Prilosec, the most common side effects of Prilosec OTC can include:
(Click Prilosec Side Effects to learn more, including potentially serious side effects you should report to your healthcare provider.)

Drug Interactions

Prilosec OTC can potentially interact with other medicines (see Prilosec Interactions for more information).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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