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Prescription medicine

Fexinidazole

Fexinidazole is a prescription medicine with an FDA approval on record since 2021. No generic is listed in FDA's NDC Directory.

  • No generic listed

Check it at the source: the fexinidazole FDA label on DailyMed (effective May 2, 2025, Sanofi-Aventis U.S. LLC); the NDA 214429 record on Drugs@FDA; every fexinidazole label on DailyMed.

Highlights of the record

FDA label of May 2, 2025; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

Fexinidazole Tablets are indicated for the treatment of both the first-stage (hemolymphatic) and second-stage (meningoencephalitic) human African trypanosomiasis (HAT) due to Trypanosoma brucei gambiense in patients 6 years of age and older and weighing at least 20 kg.

Forms and strengths

  • 600 mg

Tablet.

On the market

Earliest approval on file
July 16, 2021 Fexinidazole, Sanofi; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
1 of which 0 under generic applications, 1 under brand applications, repackagers included

Supply and safety

Pharmacy cost (NADAC)
Not in the survey
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
11 through July 30, 2026

What is fexinidazole used for?

From the label: indications and usage

Fexinidazole Tablets are indicated for the treatment of both the first-stage (hemolymphatic) and second-stage (meningoencephalitic) human African trypanosomiasis (HAT) due to Trypanosoma brucei gambiense in patients 6 years of age and older and weighing at least 20 kg. Fexinidazole Tablets is a nitroimidazole antimicrobial, indicated for the treatment of both first-stage (hemolymphatic) and second-stage (meningoencephalitic) human African trypanosomiasis (HAT) due to Trypanosoma brucei gambiense in patients 6 years of age and older and weighing at least 20 kg. […]

FDA pharmacologic class: Nitroimidazole Antimicrobial.

Source: FDA drug label (Fexinidazole), Sanofi-Aventis U.S. LLC, effective May 2, 2025 (SPL set 74a611bc-9977-46bb-b626-0370b3031628), via openFDA; the full label on DailyMed

Is there a generic for fexinidazole?

No generic fexinidazole is approved (Drugs@FDA, October 8, 2026).

  • 2021 earliest approval on file

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What does the fexinidazole label say about other medicines?

The fexinidazole label names 37 other medicines in its interaction, contraindication or warning sections. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.

Medicine namedSectionWhat the label says
Bexagliflozindrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag
Bupropiondrug interactionsExamples (not fully inclusive):; Bupropion, efavirenz
Cabotegravirdrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag
Canagliflozindrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag
Carbamazepinedrug interactionsEffect of other Drugs on Fexinidazole CYP450 Inducers Examples (not fully inclusive): Rifampin, phenytoin, St. John's wort, carbamazepine Clinical Impact Increased risk for adverse reactions associated with increased systemic exposure to the M1 and M2 metabolites of fexinidazole. …
Cefaclordrug interactionsExamples (not fully inclusive):; Metformin, dofetilide, adefovir, cefaclor, furosemide
Clarithromycindrug interactionsExamples (not fully inclusive):; Clarithromycin, itraconazole, voriconazole, erythromycin, fluconazole
Deferasiroxdrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag
Diazepamdrug interactionsExamples (not fully inclusive):; CYP1A2: duloxetine, tacrine, tizanidine, theophylline CYP2C19: lansoprazole, mephenytoin, diazepam
Disulfiramwarnings and precautionsAdvise patients to avoid consumption of alcohol during treatment with and for at least 48 hours after completing therapy. ( 2.1 , 5.6 ) Risk of Psychotic Reactions Due to Concomitant Use with Disulfiram:
Dofetilidedrug interactionsExamples (not fully inclusive):; Metformin, dofetilide, adefovir, cefaclor, furosemide
Dolutegravirdrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag
Duloxetinedrug interactionsExamples (not fully inclusive):; CYP1A2: duloxetine, tacrine, tizanidine, theophylline CYP2C19: lansoprazole, mephenytoin, diazepam
Efavirenzdrug interactionsExamples (not fully inclusive):; Bupropion, efavirenz

Every other medicine the fexinidazole label names

Medicine namedSectionWhat the label says
Eflornithinewarnings and precautions… psychiatric-related adverse reactions than those treated with nifurtimox eflornithine combination therapy (NECT) in a clinical trial [see Adverse Reactions (6.1) ].
Erythromycindrug interactionsExamples (not fully inclusive):; Clarithromycin, itraconazole, voriconazole, erythromycin, fluconazole
Fluconazoledrug interactionsExamples (not fully inclusive):; Clarithromycin, itraconazole, voriconazole, erythromycin, fluconazole
Furosemidedrug interactionsExamples (not fully inclusive):; Metformin, dofetilide, adefovir, cefaclor, furosemide
Itraconazoledrug interactionsExamples (not fully inclusive):; Clarithromycin, itraconazole, voriconazole, erythromycin, fluconazole
Lamotriginedrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag
Lansoprazoledrug interactionsExamples (not fully inclusive):; CYP1A2: duloxetine, tacrine, tizanidine, theophylline CYP2C19: lansoprazole, mephenytoin, diazepam
Lovastatindrug interactionsExamples (not fully inclusive):; Lovastatin, simvastatin, nisoldipine, saquinavir, midazolam, certain hormonal contraceptives (e.g., birth control pills, skin patches, implant)
Metformindrug interactionsExamples (not fully inclusive):; Metformin, dofetilide, adefovir, cefaclor, furosemide
MetronidazolecontraindicationsCONTRAINDICATIONS Fexinidazole Tablets are contraindicated in: Patients with known hypersensitivity to Fexinidazole Tablets and/or any nitroimidazole-class drugs (e.g., metronidazole, tinidazole).
Midazolamdrug interactionsExamples (not fully inclusive):; Lovastatin, simvastatin, nisoldipine, saquinavir, midazolam, certain hormonal contraceptives (e.g., birth control pills, skin patches, implant)
Nifurtimoxwarnings and precautions… and psychiatric-related adverse reactions than those treated with nifurtimox eflornithine combination therapy (NECT) in a clinical trial [see Adverse Reactions (6.1) ].
Nisoldipinedrug interactionsExamples (not fully inclusive):; Lovastatin, simvastatin, nisoldipine, saquinavir, midazolam, certain hormonal contraceptives (e.g., birth control pills, skin patches, implant)
Phenytoindrug interactionsEffect of other Drugs on Fexinidazole CYP450 Inducers Examples (not fully inclusive): Rifampin, phenytoin, St. John's wort, carbamazepine Clinical Impact Increased risk for adverse reactions …
Rifampindrug interactionsEffect of other Drugs on Fexinidazole CYP450 Inducers Examples (not fully inclusive): Rifampin, phenytoin, St. John's wort, carbamazepine Clinical Impact Increased risk for adverse reactions …
Selexipagdrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag
Simvastatindrug interactionsExamples (not fully inclusive):; Lovastatin, simvastatin, nisoldipine, saquinavir, midazolam, certain hormonal contraceptives (e.g., birth control pills, skin patches, implant)
Sotagliflozindrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag
Theophyllinedrug interactionsExamples (not fully inclusive):; CYP1A2: duloxetine, tacrine, tizanidine, theophylline CYP2C19: lansoprazole, mephenytoin, diazepam
TinidazolecontraindicationsCONTRAINDICATIONS Fexinidazole Tablets are contraindicated in: Patients with known hypersensitivity to Fexinidazole Tablets and/or any nitroimidazole-class drugs (e.g., metronidazole, tinidazole).
Tizanidinedrug interactionsExamples (not fully inclusive):; CYP1A2: duloxetine, tacrine, tizanidine, theophylline CYP2C19: lansoprazole, mephenytoin, diazepam
Voriconazoledrug interactionsExamples (not fully inclusive):; Clarithromycin, itraconazole, voriconazole, erythromycin, fluconazole
Zidovudinedrug interactionsExamples (not fully inclusive):; Zidovudine, bictegravir, cabotegravir, dolutegravir, bexagliflozin, canagliflozin, sotagliflozin, deferasirox, lamotrigine, selexipag

Check fexinidazole against other medicines

Source: FDA drug label (Fexinidazole), Sanofi-Aventis U.S. LLC, effective May 2, 2025 (SPL set 74a611bc-9977-46bb-b626-0370b3031628), via openFDA; the full label on DailyMed

What do FAERS reports show for fexinidazole?

The FDA Adverse Event Reporting System holds 11 reports that list fexinidazole among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 11 are coded as a death and 3 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

The most reported reactions

  • Seizure6
  • Pyrexia3
  • Treatment Failure (a use or a product term, not a reaction)3
  • Anaemia2
  • Asphyxia2
  • Coma2
  • Completed Suicide (an outcome recorded in the report)2
  • Headache (named in the label)2

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Other nitroimidazole antimicrobials
the pharmacologic class, with prices and generics
Fexinidazole side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other