Attention Deficit Disorder

Attention Deficit Hyperactivity Disorder

Anabolic steroids help build muscle intially and are used in sports that require strength and speed. They may also improve an athlete's recovery time.

Beta-agonists are bronchodilator medicines that open airways by relaxing the muscles around the airways that tighten during an asthma attack.

Beta-blockers are commonly used for heart disease to lower blood pressure and decrease the heart rate, and may be used to descrease fine motor tremor.

The administration of blood, red blood cells and related blood products to an athlete, which may be preceded by withdrawal of blood from the athlete who continues to train in a blood-depleted state.

Diuretics remove the excess water from the body. They are used in sports where the athletes are categorized by their body weight. The use of diuretics can lead to severe dehydration, loss of essential nutrients and death. Plus, diuretics are used to help an athlete make weight or mask other prohibited substances.

Erythropoietin

Human Growth Hormone

A prohibited substance that is permitted under certain circumstances. An athlete must notify the relevant medical authorities and provide USADA a statement from their physician.

An agent, especially a chemical agent such as caffeine, that temporarily arouses or accelerates physiological or organic activity.

Tetrahydrogestrinone, an anabolic steroid

Therapeutic Use Exemption