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Ranitidine Side Effects

When it comes to ranitidine, side effects of the drug most commonly include such things as headache, constipation, diarrhea, and upset stomach. Less common side effects of ranitidine may include dizziness, difficulty sleeping, and blurred vision. While most ranitidine side effects do not require medical attention, be sure to notify your healthcare provider immediately if you experience heart problems, such as a fast or slow heart rate.

 

Ranitidine Side Effects: An Introduction

As with any medicine, there are possible side effects with ranitidine hydrochloride (Zantac®). However, not everyone who takes this drug will experience side effects. In fact, most people tolerate ranitidine well. When ranitidine side effects do occur, they are generally minor and either require no treatment or can easily be treated by you or your healthcare provider.
 
(The side effects discussed below are not a complete list of side effects reported with ranitidine. Your healthcare provider can discuss a more complete list of ranitidine side effects with you.)
 

Common Side Effects of Ranitidine

Ranitidine has been thoroughly studied in clinical trials, with many people being evaluated. In these studies, side effects occurring in the group of people taking the drug are always documented and compared to the side effects that occur in a similar group of people not taking the medicine. Based on these studies, the most common ranitidine side effects include:
 
  • Headache
  • Constipation
  • Diarrhea
  • Upset stomach (nausea) or vomiting
  • Abdominal pain (or stomach pain)
  • Rash.
     
(Ranitidine Side Effects Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;