Hello doctor ive taken d veniz 100 mg for 3 months and now i'm taking desfax er50 since two months, Dr. advice me to take this tablet for 3 months i've completed two months, but now i've notice that me penis is shrinking, is this a side effect of these tablets or can I take some medicine for enlargement? And i've gained weight also, my weight is 80 kg and my height is 6 ft, please help.