Once the damaging process is over, no further release occurs. Whether the damaged tissue repairs itself is unclear. Thus the damage done may continue to exist despite normal SGOT and SGPT blood levels.
Oral steroids are more difficult for the liver to metabolize than injectable steroids.
In one type of toxicity, blood-filled pockets open inside the liver as a result of steroid use. Injectable steroids do not appear to cause direct chemical damage like oral steroids. However, the injection can carry many kinds of bacteria and viruses past the protective skin and into the blood. Infectious hepatitis is a liver disease transmitted by dirty needles and contact with contaminated blood. Oconnor JS, Baldini FD, Skinner JS, Einstein M. Blood chemistry of current and previous anabolic steroid users.