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Randomised trial, 1991

Does danazol help severe premenstrual syndrome?

Yes. Danazol was much more effective than placebo for overall symptoms and for specific symptoms including breast discomfort, irritability, mood swings, crying, low libido, and abdominal swelling.

Moderate study design 37 women with severe premenstrual syndrome

What they did

Double-blind crossover study with 37 women with severe premenstrual syndrome. Nineteen women received danazol for 3 months followed by placebo; 18 women received placebo first then danazol. The dose was 100 mg twice daily.

What they found

Overall condition improved much more often with danazol than with placebo. Danazol provided clear improvement in breast discomfort, irritability, depression, anxiety, mood swings, crying, decreased libido, and abdominal swelling compared to placebo.

What it means for you

Danazol is effective and generally well tolerated for severe PMS. The study is small and uses a crossover design where women experienced both treatments in sequence, which may create some carryover effects.

37

women in study

100 mg

danazol dose, twice daily

3 months

treatment period

About the study

Original title
Low dose danazol in the treatment of the premenstrual syndrome
Authors
Deeny M, Hawthorn R, McKay Hart D
Journal
Postgraduate medical journal
Year
1991
Study design
Randomised trial
What was tested
Danazol 100 mg twice daily for 3 months
Open access
Yes

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