OBJECTIVES/METHODS: To review theincidence of male infertility secondary to intake of anabolicproducts and our experience and outcomes with treatment.There is a variety of such substances (testosterone,nandrolone, stanozolol, etc.) in their intake may beunique or combinations, both orally or parenterally.Comparisons between patients and case series aredifficult because of the hiding of this practice andvarious consumption practices and doses employed.RESULTS/CONCLUSIONS: Most of the patients recovernormal spermatogenesis does by stopping intake ofanabolic substances. The period of time until recoveryis 6.35 months. Patients not recovering after six monthswere given tamoxifen 20 mg/24-hour, if having a normalor inhibited hypothalamus-hypophysis axis. Duration ofabuse, doses, and anarchical consumption maderesponseto treatment with antiestrogen drugs or gonadotropinsunpredictable in patients not responding to conservativetreatment.