Short term side effects

Reports indicate that use of anabolic steroids produces increases in lean muscle mass, strength, and ability to train longer and harder. Many health hazards of short-term effects are reversible. The major effects of anabolic steroid use include liver tumors, jaundice, fluid retention, and high blood pressure. Additional side effects include the following: for men shrinking of the testicles, reduced sperm count, infertility, baldness, development of breasts; for women growth of facial hair, changes in or cessation of the menstrual cycle, deepened voice; for adolescents growth halted prematurely through premature skeletal maturation and accelerated puberty changes. Researchers report that users may suffer from paranoid jealousy, extreme irritability, delusions, and impaired judgment stemming from feelings of invincibility.  

Long-term, high-dose effects of steroid use are largely unknown.

The most I or many users of anabolics have found is that, yes there is some acne, mabey hairloss.  Some users report this and alot do not.  So remember to watch out for your own use. Your body is diffrent from everyone elses.

Also i would like to note, that alot of the side effects can be taken care of with Anti estrogen meds and most are all reversable.