How do anabolic steroids affect the endocrine system?

 
      Anabolic steroids imitate the endocrine hormone testosterone,
 leading to the many possible side effects described in this
 database.  They cause the pituitary gland to stop secreting FSH and
 LH, which results in temporary infertility in men and menstrual
 irregularities in women.(1,2)  

      Steroids cause the thyroid, which regulates the body's
 metabolic rate, to stop secreting the hormone TSH.(2,3) 
 In spite of this, the thyroid gland itself appears to be
 unaffected, and thyroid function is normal.(3)

      In rats prone to diabetes, anabolic steroids speed the
 development of diabetes.(4)  In humans, steroids are
 associated with increased insulin resistance and changes in glucose
 tolerance.(2,5)  These conditions imitate the symptoms
 of diabetes, although there has never been a case of diabetes known
 to have been caused by steroid abuse.(2,4,5)


 REFERENCES
 
 1.   Wagner JC. Abuse of drugs used to enhance athletic
      performance. American Journal Of Hospital Pharmacy 1989
      Oct;46:2059-67.
 
 2.   Johnson MD. Steroids. Adolescent Med 1991 Feb;2(1):79-93.
 
 3.   Johnson MD. Anabolic steroid use in adolescent athletes.
      Pediatr Clin North Am 1990 Oct;37(5):1111-23.
 
 4.   Hickson RC, Ball KL, Falduto MT. Adverse effects of anabolic
      steroids. Med Toxicol Adv Drug Experience 1989 Jul-
      Aug;4(4):254-71.

 5.   Cohen JC, Hickman R. Insulin resistance and diminished glucose
      tolerance in power lifters ingesting anabolic steroids. J Clin
      Endocrinol Metab 1987;64(5):960-3.
 
 
 by Trent Tschirgi, R. Ph.
 (c) 1992 University of Maryland Office of Substance Abuse Studies.
 All Rights Reserved.


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