Sexual healthcare in Japan runs on two tracks, and knowing which one you're on decides what you pay and where you go. Track one is insured medical care — a clinic or hospital treats a diagnosed illness and your insurance card covers 70% of it. Track two is prevention — PrEP, PEP, doxyPEP — and insurance covers none of it. You pay full price at a private clinic. Running alongside both is a free, anonymous public-health testing network (the hokenjo) built so you can check your HIV and syphilis status with no name, no card, and no bill.

The care itself is excellent once you're inside it. What the system won't do is tell a gay man which door to use. That's what this guide is for.

⚖️ The Reality of the System

  • World-class treatment: Once you're in the HIV care network, outcomes are among the best anywhere — near-universal viral suppression.
  • Free anonymous testing everywhere: Every ward runs a hokenjo that tests you for HIV and syphilis for free, no name required.
  • Nationwide insurance: Live here on a 3-month-plus visa and treatment costs drop to 30% out of pocket.
  • You pay for prevention: PrEP and PEP get no insurance support. Budget for them.
  • The testing gap: Free tests cover HIV and syphilis — not the throat and rectal swabs you actually need. You close that gap yourself.
  • Language barrier is real: Outside a handful of gay-friendly clinics, staff may speak little English and forms are Japanese-only.

⚖️ The Golden Rules

1. Prevention Is Self-Pay — Budget for It

PrEP and PEP aren't covered, even though the drugs are approved. Your insurance card does nothing for anything preventive — it only kicks in once something is diagnosed and treated.

2. Free Testing Exists — But Know Its Blind Spot

Every ward's hokenjo tests you for HIV and syphilis, free and anonymous. What it usually skips is throat and rectal swabs for gonorrhoea and chlamydia — the infections that sit silently in a gay man's throat and arse. Use the hokenjo for your HIV/syphilis baseline; use a clinic for the swabs.

3. For PEP: Within 72 Hours, and You Will Pay

Get to an HIV clinic or the AIDS Clinical Center the same day. There's no free emergency route — figure on roughly ¥30,000 up front and ¥280,000 for the full 28-day course. Sooner is better. Don't let the price freeze you.

🗺️ Guide Map

Start Here

Testing & Clinics

Prevention

Emergencies & Support

Result Management

Language