Carvedilol Side Effects (Cont.)

 
Congestive Heart Failure
Based on these studies, the most common carvedilol side effects seen in people with mild, moderate, or severe congestive heart failure or following a heart attack include:
 
  • Dizziness -- up to 32 percent of people
  • Low blood pressure -- up to 14 percent
  • Diarrhea -- up to 12 percent
  • High blood sugar (hyperglycemia) -- up to 12 percent (see Coreg and Blood Sugar)
  • Increase in weight -- up to 12 percent (see Coreg and Weight Gain).
  • Slow heart rate -- up to 10 percent
  • Nausea -- up to 9 percent.
     
Other common side effects of carvedilol (occurring in more than 3 percent of people with congestive heart failure or those following a heart attack) include but are not limited to:
 
  • Swelling of the arms, legs, hands, or feet
  • Shortness of breath
  • Vomiting
  • Fainting (syncope)
  • Changes in vision
  • Anemia.
     
High Blood Pressure
The most common carvedilol side effects seen in people with high blood pressure include:
 
  • Dizziness -- up to 6 percent
  • Insomnia -- up to 2 percent
  • Slow heart rate -- up to 2 percent
  • Drop in blood pressure when standing from either a sitting or lying down position -- up to 2 percent
  • Diarrhea -- up to 2 percent.
     
Side effects tend to get worse with increasing doses.
 

Serious Side Effects of Carvedilol

Some carvedilol side effects should be reported immediately to your healthcare provider. These potentially serious side effects include but are not limited to:
 
  • Unexplained skin rash
  • Itching
  • Wheezing
  • Difficulty breathing or swallowing
  • Unexplained swelling or sudden weight gain
  • Chest pain
  • Dizziness, lightheadedness, or fainting spells
  • Sweating, shaking, or extreme hunger
  • Confusion
  • Irregular heartbeat. 
 
(Carvedilol Side Effects Continued: Page 3)

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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;