When women used it, it often caused irregularity in their monthly cycles. It somehow made their clitorus bigger. Men could have had jaundice, liver issues, enlargement of the phallic, getting erection often and uncontrollably, irritation in bladder, increased or reduced libido. Other than these women and men both used to experience depression / insomnia /vomiting / nausea / diarrhea / gynecomastia / deep voice / hirsutism / women getting baldness / pimple breaking out all over the face very frequently / edema.
There were more serious issues like — testicular atrophy in men, epididymitis, detainment of serum electrolyte, few or no glucose tolerance, habituation, hepatic necrosis, excitation etc.
Due to all these serious issues, the government had to make winstrol illegal otherwise the usage of this product can cost many healthy people their life.