Inderal and Low Blood Sugar

Side effects can occur with Inderal, and low blood sugar is one of them. This is more common in infants, children, and people with kidney disease or diabetes. Early symptoms of low blood sugar include blurry vision, dizziness, and sweating. More severe symptoms include difficulty speaking, seizures, and confusion. If you're taking Inderal and low blood sugar symptoms occur, contact your healthcare provider immediately.

 

Inderal and Low Blood Sugar: An Overview

Low blood sugar levels have been reported in people taking Inderal® (propranolol hydrochloride), as well as with other beta blockers. This side effect is more common in infants, children, and people with kidney disease or diabetes. It is also more common after prolonged exercise or while fasting (such as before surgery).
 

Inderal and Low Blood Sugar Symptoms

Symptoms of low blood sugar can vary, depending on a number of factors, including how low the blood sugar levels are.
 Examples of early symptoms may include:
 
  • Sweating
  • Shakiness
  • Extreme hunger
  • Dizziness
  • Cold sweats
  • Blurry vision.
     
More severe symptoms of low blood sugar can include:
 
  • Changes in behavior, such as irritability
  • Loss of coordination
  • Difficulty speaking
  • Confusion
  • Seizures
  • Loss of consciousness
  • Coma
  • Loss of life.
     
Two other symptoms that can occur in people with low blood sugar are an increase in heart rate and an increase in blood pressure. However, in people taking Inderal, these symptoms may not occur because of the effects of the medicine.
 
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;