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Original Article

Timetable of effects of testosterone administration to hypogonadal men on variables of sex and mood

, , , , , , , & show all
Pages 113-118 | Received 07 Aug 2009, Accepted 09 Sep 2009, Published online: 06 Oct 2009
 

Abstract

Introduction. The effects of testosterone have been extensively characterized, but little attention has been given to the timetable of occurrence of the various effects of testosterone.

Methods. The timetables of effects on sexual and psychological variables in 40 hypogonadal men receiving treatment with either parenteral testosterone enanthate (TE) or undecanoate (TU).

Results. Sexual thoughts/fantasies and sexual interest/desire/spontaneous morning erections emerged quickly and plateaued after 3 weeks. Total erections rose to a maximum over 9 weeks and then plateaued. Ejaculations per week/satisfaction with sex life rose over the first 3 weeks, increasing steadily to a plateau at 12 weeks. Depression scores decreased to reach a plateau after 6 weeks. Aggressiveness did not change. Scores of concentration improved and reached a plateau after 3 weeks in the group treated with TE and after 9 weeks in the group treated with TU. Good mood improved after 6–9 weeks. Positive effects on self-confidence appeared between 3–6 weeks and on fatigue after 9–12 weeks.

Conclusion. Insight into the emergence of effects may be useful information for the patient and for the attending physician in monitoring clinical effects of testosterone treatment of hypogonadal men.

Declaration of interest: The authors declare no conflict of interest.

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