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Prescription medicine

Tirbanibulin

Drug class: Microtubule Inhibitor

The FDA’s “Established Pharmacologic Class”: the group of medicines that work in a similar way.

Official FDA data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the drug label, the NDC Directory, Drugs@FDA, recall reports and the drug shortage list. Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

Quick answers

What is Tirbanibulin used for?
The FDA-approved label (Klisyri, Almirall, LLC, June 24, 2026) says: “KLISYRI is indicated for the topical field treatment of actinic keratosis on the face or scalp. KLISYRI is a microtubule inhibitor indicated for the topical treatment of actinic keratosis of the face or scalp.” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Tirbanibulin have a boxed warning?
No. None of the 1 FDA labels we found for this medicine has a boxed warning.
Is there a shortage of Tirbanibulin?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Tirbanibulin been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Tirbanibulin?
1 company lists prescription products of Tirbanibulin in the FDA NDC Directory, including Almirall, LLC.

What Tirbanibulin is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

KLISYRI is indicated for the topical field treatment of actinic keratosis on the face or scalp. KLISYRI is a microtubule inhibitor indicated for the topical treatment of actinic keratosis of the face or scalp.

— FDA label: Klisyri, Almirall, LLC, effective June 24, 2026. Read the full label on DailyMed →

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

The label quoted above has no boxed warning.

Forms and how it is given

Dosage formsOintment
RouteTopical
Prescription products1 in the FDA NDC Directory
Brand namesKlisyri

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

FDA approval history

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
NDA213189
KLISYRI
AlmirallDecember 14, 2020 3, latest June 7, 2024
2024: Labeling · 2024: Labeling · 2024: Efficacy

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

No recall linked to these products (by their NDC code) appears in the FDA enforcement reports.

Official identifiers

RxCUI (RxNorm)2471095, 2471100
SPL set ID of the quoted label589c8de8-b773-4d47-b60c-48471806cccc
FDA labels (SPL)1
FDA applicationsNDA213189
Active ingredients (FDA)TIRBANIBULIN

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Klisyri, Almirall, LLC, effective June 24, 2026; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

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