Short answer
Some STIs are curable (prescription treatment eliminates the organism); others are treatable but not curable (medicine suppresses the virus long-term).
Both categories demand professional care. And “curable” never means “no big deal,” since complications strike before treatment while silent infections spread the whole time.
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See Tests & Prices →Curable: bacterial and parasitic infections
Chlamydia, gonorrhea, syphilis, and trichomoniasis resolve with clinician-directed prescription therapy, as do chancroid, LGV, pubic lice, and scabies with their respective treatments.
Cure depends on correct diagnosis first. The organism must be identified before the right therapy can be chosen, which is why testing precedes treatment without exception.
Resistance (notably gonorrhea and M.
genitalium) is why clinicians, not leftover pills or a partner’s prescription, direct therapy.
See Gonorrhea Testing: Samples and Accuracy for how resistance intelligence gets gathered through cultures.
Manageable: viral infections
HIV treatment suppresses viral load to undetectable levels, preventing illness and ending sexual transmission (U=U) for adherent patients.
Herpes antivirals cut outbreak frequency and shedding.
HPV effects, warts and precancers, are treatable even though no antiviral clears the virus itself.
Hepatitis B has suppressive antivirals for chronic cases.
Manageable means normal lifespan and normal relationships with sustained care, not diminished outcomes.
What cure actually requires of you
Correct diagnosis, the full prescribed course (stopping early breeds failure and resistance), abstinence during the treatment window, simultaneous partner treatment, and scheduled retesting.
Miss any link and “curable” fails in practice. Most repeat bacterial infections trace to untreated partners or incomplete courses, not drug failure.
Reinfection confers no immunity: cured chlamydia or gonorrhea can return with the next exposure, which is why retesting a few months after treatment is standard.
No home cures. And why the myth persists
Garlic, essential oils, “immune boosters,” and douching cure nothing and delay effective care while complications develop.
Claims of natural cures for herpes or HIV are misinformation, sometimes predatory.
The myth persists because some symptoms fluctuate naturally. Temporary improvement gets mistaken for cure while the infection continues silently.
When to seek care
Promptly for any diagnosis. Curable infections cause the worst harm when treatment waits (PID, infertility, congenital syphilis, disseminated gonorrhea).