Beta-blockers (β-blockers) are a frequently used group of medicines in treating a variety of cardiovascular conditions, such as heart failure, heart attacks, various causes of irregular heartbeat and by high blood pressure.

beta-blockerBeta-blockers are prohibited only in a few sports, primarily in competition. The performance-enhancing effect of beta-blockers is related to precision sports such as shooting. Beta-blockers reduce many of the symptoms of performance anxiety, including high heart rate and tremors, and for this reason an efficient performance-enhancing agent.

Side Effects

There is a risk of developing serious side effects in healthy people if using beta blockers.

  • nausea, diarrhea and headache
  • cold hands and feet
  • heart rhythm disorders of various kinds
  • visual disturbances
  • reduced concentration
  • depression
  • nightmare
  • impotence
  • heart failure

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