53 out of 93
Gynecomastia is caused by all except(AIIMS Nov 14)
Ans. D Tamoxifen
Drugs can cause gynecomastia by 3 ways
- By acting directly as estrogenic
- By inhibiting androgen synthesis (e.g. ketoconazole)
- By inhibiting action of androgen (e.g. spirinolactone).
Drugs Causing Gynecomastia
- Ca++ Channel antagonist
*All the 3 drugs causes gynaecomastia probably the question is all except one. In that case tamoxifen is the choice.