Hyzaar Side Effects

As with any medication, there are potential side effects of Hyzaar. The most common side effect seen with the drug is low potassium in the blood, which occurs in up to 6.7 percent of patients. Other common side effects include an infection, such as the common cold or flu; dizziness; and coughing. If you experience more severe Hyzaar side effects, such as seizures, an unexplained rash, or vomiting, you should immediately consult your healthcare provider.

 

An Overview of Hyzaar Side Effects

As with any medicine, there are possible side effects associated with Hyzaar® (losartan potassium-hydrochlorothiazide). However, not everyone who takes Hyzaar will experience side effects. In fact, most people tolerate it well. When side effects do occur, in many cases they are minor, meaning they require no treatment or are easily treated by you or a healthcare provider. Serious side effects can occur, but are less common.
 
(This article covers many, but not all, of the possible side effects of Hyzaar. Your healthcare provider can discuss a more complete list of Hyzaar side effects with you.)
 

Common Side Effects of Hyzaar

Extensive clinical trials have evaluated thousands of people worldwide who were taking Hyzaar.
 In these studies, side effects are always documented and compared to side effects that occur in a similar group of people not taking the medicine. This way, it is possible to see what side effects occur, how often they appear, and how they compare to the group not taking the medicine.
 
Based on these studies, the most common Hyzaar side effects include:
 
  • Low potassium in the blood -- in up to 6.7 percent of people
  • Infection, such as the common cold or flu -- up to 6.1 percent
  • Dizziness -- up to 5.7 percent
  • Cough -- up to 2.6 percent
  • Back pain -- up to 2.1 percent.
     
(Hyzaar 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;