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Finasteride International Purchase Legalities: What You Need to Know in 2026

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6 linked public sourcesEditorial, sourcing, and corrections policy

At a glance

  • Drug / finasteride 1 mg (Propecia, hair loss) and 5 mg (Proscar, BPH)
  • US approvals / Proscar 06/19/1992; Propecia 12/19/1997 [2][3]
  • US legal status / prescription oral tablets at both strengths [2][3]
  • FDA position on imports / generally illegal for personal use [1]
  • Possible exception / discretionary; for a serious condition, quantity generally no more than a three-month supply [1]

Is it legal to import finasteride into the US?

The FDA states that in most circumstances it is illegal for individuals to import drugs or devices into the US for personal use, because products purchased from other countries often have not been approved by the FDA for use and sale in the US [1].

The FDA says its personnel may consider a more permissive decision if a product is not for a serious condition and there is no known significant health risk. For a serious condition (prescription drug products), its guidance lists additional factors: effective treatment may not be available domestically, there is no known commercialization or promotion of the product to US residents, the product does not represent an unreasonable risk, the consumer affirms in writing that it is for personal use, and the quantity is generally not more than a three-month supply. The consumer must also either give the name and address of a US-licensed doctor responsible for the treatment or provide evidence that the product continues a treatment begun in a foreign country [1].

Finasteride tablets are FDA-approved in the US [2][3].

Does a US prescription make an imported order legal?

No. In the FDA's serious-condition path, a US-licensed doctor's name and address is one of two alternatives, the other being evidence of a treatment begun abroad, and both come on top of the other factors [1]. The starting position is still that personal importation is illegal in most circumstances [1], and finasteride is sold only as prescription oral tablets in the US at both strengths [2][3].

Label points that apply to any finasteride supply

  • PSA. Propecia lowered mean PSA from 0.7 ng/mL to 0.5 ng/mL at month 12 in men aged 18 to 41 [4]. The Proscar label says the 5 mg dose lowers PSA by about 50% within six months, that a single PSA in a man on treatment for six months or more should be doubled for comparison with normal ranges, and that any confirmed rise from the lowest value on treatment may signal prostate cancer and should be evaluated [5].
  • Sexual effects that continued after stopping. The Propecia label's postmarketing section lists sexual dysfunction that continued after discontinuation (erectile dysfunction, libido disorders, ejaculation disorders and orgasm disorders), plus depression, suicidal ideation and behavior. The label says these are voluntary reports from a population of uncertain size, so a causal relationship cannot reliably be established [4][6].

Is finasteride available in the US?

Propecia 1 mg and Proscar 5 mg are FDA-approved oral tablets [2][3]. HealthRX.com offers finasteride 1 mg by prescription.

Frequently asked questions

Is it legal to buy finasteride from an overseas pharmacy and have it shipped to the US?
The FDA says that in most circumstances it is illegal for individuals to import drugs into the US for personal use [1]. FDA personnel may consider a more permissive decision in some situations; for a serious condition, its guidance lists factors including written affirmation of personal use and a quantity generally no more than a three-month supply [1]. That is discretion, not an exemption [1].
Does having a US prescription make an imported finasteride order legal?
No. A US-licensed doctor's name and address is one of two alternatives in the FDA's serious-condition factors, the other being evidence of a treatment begun abroad [1]. Personal importation is still illegal in most circumstances [1], and finasteride 1 mg and 5 mg are prescription oral tablets in the US [2][3].
Are imported finasteride tablets the same as the US product?
The FDA says products bought from other countries often have not been approved by the FDA for use and sale in the US, and that it cannot ensure the safety and effectiveness of medicine purchased over the Internet from foreign sources [1]. The US-approved products are Propecia 1 mg and Proscar 5 mg oral tablets, plus FDA-approved generics [2][3].

References

  1. Personal Importation | FDA. Personal Importation | FDA
  2. Drugs@FDA: FDA-Approved Drugs. Drugs@FDA: FDA-Approved Drugs
  3. Drugs@FDA: FDA-Approved Drugs. Drugs@FDA: FDA-Approved Drugs
  4. U.S. National Library of Medicine, DailyMed. Propecia (finasteride 1 mg) tablets, Organon prescribing information. Propecia (finasteride 1 mg) tablets, Organon label
  5. U.S. National Library of Medicine, DailyMed. Proscar (finasteride 5 mg) tablets, Organon prescribing information. Proscar (finasteride 5 mg) tablets, Organon label
  6. U.S. Food and Drug Administration. U.S. Food and Drug Administration
Evidence overview for Finasteride International Purchase Legalities: What You Need to Know in 2026