Anabolic Steroid Induced Hypogonadism (ASIH)
What is ASIH?
Anabolic Steroid Induced Hypogonadism (ASIH) is a condition where the body's natural testosterone production shuts down after prolonged use of anabolic-androgenic steroids (AAS). The testicles shrink, sperm production stops, and testosterone levels remain suppressed even after stopping steroids.
Why does it happen?
When external testosterone or anabolic steroids are introduced:
- The brain (hypothalamus and pituitary) senses high testosterone levels
- It stops producing LH and FSH (hormones that signal the testicles to make testosterone and sperm)
- The testicles shut down and atrophy (shrink)
- After stopping steroids, it can take months to years for the body's natural testosterone production to recover—sometimes it never fully recovers
Symptoms of ASIH:
- Fatigue, low energy
- Depression, irritability, mood swings
- Loss of libido (sex drive)
- Erectile dysfunction
- Loss of muscle mass and strength
- Increased body fat
- Gynecomastia (breast tissue development)
- Hot flashes
- Infertility (no sperm production)
- Testicular atrophy (shrunken testicles)
Diagnosis:
Clinical History: Past or current anabolic steroid use
Labs (drawn in the morning, fasting):
- Total Testosterone: Low (<300 ng/dL)
- LH and FSH: Low or inappropriately normal (secondary hypogonadism)
- Estradiol: May be elevated (from aromatization of residual testosterone)
- Semen Analysis: Azoospermia (no sperm) or severe oligospermia
- Prolactin: May be mildly elevated
Recovery Timeline (Variable):
- Short-term use (weeks-months): Recovery typically within 3-6 months
- Long-term use (years): May take 1-2 years or longer; some never fully recover
- High doses or multiple cycles: Worse prognosis for recovery
Treatment Options:
1. Watchful Waiting (Natural Recovery):
- May work if steroid use was brief
- Can take 6-12+ months
- Involves enduring low testosterone symptoms
2. Post-Cycle Therapy (PCT):
- Clomiphene (Clomid): Increases LH/FSH to stimulate testicular testosterone production
- Tamoxifen (Nolvadex): Another SERM (selective estrogen receptor modulator)
- hCG (Human Chorionic Gonadotropin): Directly stimulates testes to produce testosterone
- Typical Protocol: hCG 500-1000 IU 3x/week for 2-3 weeks, then transition to Clomiphene 50 mg daily for 4-6 weeks
- Goal: "Jump-start" natural testosterone production
3. Long-Term Management with Clomiphene or Enclomiphene:
- Continuous treatment to maintain testosterone while preserving fertility
- Alternative to lifelong TRT
4. Testosterone Replacement Therapy (TRT):
- If recovery doesn't occur or symptoms are unbearable
- WARNING: TRT will permanently suppress natural testosterone and sperm production
- Only appropriate if fertility is not desired or if recovery attempts have failed
Fertility Recovery:
- Sperm production can recover, but it takes time (6 months to 2+ years)
- hCG + FSH injections can help restore sperm production
- Do NOT use TRT if trying to conceive—it will shut down sperm production
Can ASIH be permanent?
Yes. Some men never fully recover their natural testosterone production, especially after:
- Years of continuous steroid use
- High doses or "stacks" (multiple steroids)
- Use without proper PCT
- Underlying testicular damage
Prevention:
- Avoid anabolic steroids unless medically prescribed and monitored
- Understand the risks: Dependency, infertility, cardiovascular disease, liver damage, psychiatric effects
- If using, implement proper PCT to minimize damage
Key Takeaway:
Anabolic steroids may offer short-term muscle gains, but they come with serious long-term consequences, including permanent suppression of natural testosterone and fertility. Recovery is possible but not guaranteed. Always consult an endocrinologist for proper evaluation and treatment.