Invega Side Effects

Headaches, weight gain, and drowsiness are some of the most common side effects seen in people taking Invega. Side effects of Invega are mostly minor and either don't require treatment or can easily be treated. However, there are a number of more serious Invega side effects that you should report to your healthcare provider. These serious side effects can include severe constipation, anxiety, and high blood pressure.

 

An Introduction to Invega Side Effects

As with any medicine, there are possible side effects with Invega® (paliperidone). However, not everyone who takes the medication will experience side effects. In fact, most people tolerate Invega well. When 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.
 
(This article covers many, but not all, of the possible side effects with Invega. Your healthcare provider can discuss a more complete list of Invega side effects with you.)
 

Common Side Effects With Invega

Invega has been studied thoroughly in clinical trials. In these studies, the side effects that occur in a group of people taking the drug are documented and are then compared to side effects that occur in another 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.
 
In these studies, the most common Invega side effects included:
 
  • A rapid heart rate (tachycardia) -- in up to 14 percent of people
  • Headaches -- up to 14 percent
  • Drowsiness -- up to 11 percent
  • Weight gain -- up to 9 percent (see Invega and Weight Gain)
  • Nausea -- up to 6 percent
  • Dizziness -- up to 6 percent.
     
Some other common Invega side effects (occurring in 2 percent to 5 percent of people) included:
 
  • Heartburn or indigestion
  • Muscle tension
  • Increased salivation
  • Shakiness (tremors)
  • Upper abdominal pain (or stomach pain)
  • Dry mouth (see Invega and Dry Mouth)
  • Cough
  • Blurred vision
  • Weakness
  • Fatigue
  • A fever
  • Back pain.
     
(Invega 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;