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OmniRx › Tools › Generic competition check › Cantharidin

Generic competition · all medicines · read 12 November 2026

Is there a generic of Cantharidin, and who makes it?

Cantharidin appears in 1 dosage-form group in the FDA Orange Book as of 12 November 2026, with no generic maker listed as marketed. 1 group has a brand listed as marketed and no generic listed as marketed. The data does not state why, and it does not state that one is coming. This is the Orange Book's listing, not a forecast.

Compiled and checked by Vincent Wesley Couey (ORCID 0009-0005-6869-308X) from the Orange Book data files, downloaded 12 November 2026.

Not medical advice. This page reports what the FDA's Orange Book lists, not what a pharmacy has in stock, what anything costs, or whether a generic is right for you. Ask your pharmacist or prescriber about your own medicine.
Cantharidin1 dosage-form group in the Orange Book
0generic makers listed
  1. Cantharidin appears in 1 dosage-form group in the FDA Orange Book as of 12 November 2026, with no generic maker listed as marketed.
  2. 1 group has a brand listed as marketed and no generic listed as marketed. The data does not state why, and it does not state that one is coming.
  3. Patents and exclusivities are shown as listed by the application holder; the Orange Book does not rule on them, and a listed patent is not a statement that a generic is blocked. This says nothing about price, supply or quality.

Solution, Topical

Brand listed, no generic listed as marketed

Brand listed as marketed: Ycanth. No generic is listed as marketed.

20202025203020352040204501brand 2023data datePatent 11052064 listed to expire 28 May 2035Patent 12233042 listed to expire 22 August 2038Patent 11147790 listed to expire 22 August 2038Patent 12290651 listed to expire 19 February 2041Exclusivity NCE to 21 July 2028
generic makers listed as marketed, by first approvallisted patent expiryexclusivity end

Patents and exclusivities still listed

  • 21 July 2028Exclusivity NCE Ycanth
  • 28 May 2035Patent 11052064 drug product
  • 22 August 2038Patent 12233042 drug product
  • 22 August 2038Patent 11147790 drug product
  • 19 February 2041Patent 12290651 drug product

US Food and Drug Administration, Orange Book data files, downloaded 12 November 2026. A listed patent is not a ruling that a generic is blocked, and no figure here says anything about price, supply or quality. Check the Orange Book.

Where can you go from this result?

Open it in the check to search another medicine, or see every brand with no generic listed. The FDA explains generic approval in how generic drugs are approved and the FDA generic drug facts, and the Orange Book itself is the FDA Orange Book. To check what is available now, ask your pharmacist, and see the FDA drug shortages page.