Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Español Near me My list Help
US Patient GuideUSA
Surprise me
Brand-name prescription medicine

Lotronex

Generic name: Alosetron hydrochloride

FDA application holder: Legacy

Strengths and generic versions Official label

Official data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the NDC Directory, Drugs@FDA, the official labels and recall reports; pharmacy costs come from the Centers for Medicare & Medicaid Services (CMS). Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or switch any medicine, including a switch between a brand and a generic.

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

At a glance

2Strengths and forms
6Same medicine, other names
2000FDA approval
0Recalls (FDA reports)

Quick answers

What is Lotronex?
Lotronex is a brand name of Alosetron hydrochloride, a prescription medicine. The FDA NDC Directory lists 4 Lotronex products in 2 strengths and forms.
Who makes Lotronex?
Legacy holds the FDA application for Lotronex (NDA021107, approved February 9, 2000). 1 other company (repackagers or distributors) also list Lotronex products.
Is there a generic or store brand of Lotronex?
Yes. The FDA NDC Directory lists 6 other products with the same active ingredients, strength and form as a Lotronex product, 6 of them generic. Ask your pharmacist whether one is right for you.
Has Lotronex been recalled?
No recall linked to Lotronex products (by their NDC code or label) appears in the FDA enforcement reports we use.

What Lotronex is

Each Lotronex product as listed in the FDA NDC Directory, by active ingredient, strength and form, with its official label. “Same medicine, other names” counts the other products with exactly the same active ingredients, strength and form (generic versions, store brands and other brands); inactive ingredients can differ.

Alosetron hydrochloride · prescription medicine

Strength and formProduct namesSame medicine, other namesLabel
alosetron hydrochloride 0.5 mg
tablet (oral)		 Lotronex 3 products, 3 companies DailyMed
alosetron hydrochloride 1 mg
tablet (oral)		 Lotronex 3 products, 3 companies DailyMed

Its page lists every product and company, the FDA label’s uses and boxed warning, approvals, shortages and recalls: Alosetron hydrochloride →

FDA approval

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
FDA applications of Lotronex products (Drugs@FDA)
ApplicationHolderFirst approvedProducts
NDA021107LegacyFebruary 9, 20004

Companies that list Lotronex

The company named on the package (holder, repackager or distributor), as listed in the FDA NDC Directory, with its number of Lotronex products.

Recalls

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

Sources

  1. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  2. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drug labeling (SPL, 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. NADAC (National Average Drug Acquisition Cost) 2026 — Centers for Medicare & Medicaid Services (CMS), data.medicaid.gov, list of November 4, 2026, retrieved November 7, 2026

Which names get a brand page: a name the NDC Directory lists for a medicine, held by one company (the FDA application holder, or the company named on most of its products), that is not just a description, and that is not the only product of its medicine.

Report an error → · Information for medicine makers