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Prescription medicine

Probenecid and sulopenem etzadroxil Brand names: Orlynvah

Probenecid and sulopenem etzadroxil (Orlynvah) is a prescription medicine with an FDA approval on record since 2024. No generic is listed in FDA's NDC Directory.

  • No generic listed

Check it at the source: the probenecid and sulopenem etzadroxil FDA label on DailyMed (effective December 6, 2025, ITERUM THERAPEUTICS US LIMITED); the NDA 213972 record on Drugs@FDA; every probenecid and sulopenem etzadroxil label on DailyMed.

Highlights of the record

FDA label of December 6, 2025; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

ORLYNVAH, a combination of sulopenem etzadroxil, a penem antibacterial, and probenecid, a renal tubular transport inhibitor, is indicated for the treatment of uncomplicated urinary tract infections (uUTI) caused by the designated microorganisms Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis in adult women who have limited or no alternative oral antibacterial treatment options.

Forms and strengths

  • 500 mg / 500 mg

Film-coated tablet.

On the market

Earliest approval on file
October 25, 2024 Orlynvah, Iterum Therap; Drugs@FDA’s file, where older or withdrawn approvals can be missing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
Last listed patent
December 23, 2039 Orlynvah tablets; not a generic launch date

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
2 through July 30, 2026

What is probenecid and sulopenem etzadroxil used for?

From the label: indications and usage

ORLYNVAH, a combination of sulopenem etzadroxil, a penem antibacterial, and probenecid, a renal tubular transport inhibitor, is indicated for the treatment of uncomplicated urinary tract infections (uUTI) caused by the designated microorganisms Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis in adult women who have limited or no alternative oral antibacterial treatment options. ( 1.1 ) Limitations of Use ORLYNVAH is not indicated for the treatment of: Complicated urinary tract infections (cUTI) or as step-down treatment after intravenous antibacterial treatment of cUTI. […]

Conditions named in the indications of probenecid and sulopenem etzadroxil's FDA labels, with every medicine labeled for each:

From other probenecid and sulopenem etzadroxil labels

Urinary tract infections: Uncomplicated Urinary Tract Infections ORLYNVAH is indicated for the treatment of uncomplicated urinary tract infections (uUTI) caused by the designated microorganisms Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis in adult …

Source: FDA drug label (ORLYNVAH), ITERUM THERAPEUTICS US LIMITED, effective December 6, 2025 (SPL set 24c451c0-4cfb-37f3-e063-6394a90a895e), via openFDA; the full label on DailyMed

Is there a generic for probenecid and sulopenem etzadroxil (Orlynvah)?

No generic probenecid and sulopenem etzadroxil is approved (Drugs@FDA, October 8, 2026).

The Orange Book lists 5 patents for Orlynvah tablets: the compound patent runs to June 3, 2029, and the last listed entry to December 23, 2039. A patent or exclusivity date is not the date a generic goes on sale: court cases and settlements move it either way.

  • 2024 earliest approval on file
  • 2039 last listed patent

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

What does the probenecid and sulopenem etzadroxil label say about other medicines?

The probenecid and sulopenem etzadroxil label names 11 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
Divalproexdrug interactionsValproic Acid No valproic acid dosage adjustment is recommended when used concomitantly with ORLYNVAH.
Indomethacindrug interactionsConcomitant Drug/Drug Class: Indomethacin; Effect on Drug Concentration: ↑ indomethacin; Recommendation: May increase the risk of adverse reactions. Refer to drug-specific prescribing information for dosage adjustment instructions.
Ketoprofendrug interactionsDRUG INTERACTIONS Ketoprofen: Concomitant use is not recommended ( 7.1 ) See full prescribing information for additional clinically significant drug interactions with ORLYNVAH
KetorolaccontraindicationsKnown uric acid kidney stones [see Warnings and Precautions ( 5.3 )] Concomitant use of ORLYNVAH and ketorolac tromethamine is contraindicated [see Drug Interactions ( 7.1 )] Patients with a history of hypersensitivity to the components of ORLYNVAH (sulopenem etzadroxil and probenecid) or other beta- lactam …
Lorazepamdrug interactionsConcomitant Drug/Drug Class: Lorazepam; Effect on Drug Concentration: ↑ lorazepam; Recommendation: Follow the recommended lorazepam dosage modifications outlined in its prescribing information.
Methotrexatedrug interactionsConcomitant Drug/Drug Class: Methotrexate; Effect on Drug Concentration: ↑ methotrexate; Recommendation: If concomitant use cannot be avoided, monitor more frequently for adverse reactions associated with methotrexate as recommended in its prescribing information.
Naproxendrug interactionsConcomitant Drug/Drug Class: Naproxen; Effect on Drug Concentration: ↑ naproxen; Recommendation: May increase the risk of adverse reactions. Refer to drug-specific prescribing information for dosage adjustment instructions.
Rifampindrug interactionsConcomitant Drug/Drug Class: Rifampin; Effect on Drug Concentration: ↑ rifampin; Recommendation: Monitor more frequently for adverse reactions associated with rifampin as recommended in its prescribing information.
Theophyllinedrug interactionsFalsely high readings for theophylline have been reported in an in vitro study, using the Schack and Waxler technique, when therapeutic concentrations of theophylline and probenecid (a component of ORLYNVAH) were added to human plasma.
TromethaminecontraindicationsKnown uric acid kidney stones [see Warnings and Precautions ( 5.3 )] Concomitant use of ORLYNVAH and ketorolac tromethamine is contraindicated [see Drug Interactions ( 7.1 )] Patients with a history of hypersensitivity to the components of ORLYNVAH (sulopenem etzadroxil and probenecid) or other beta- lactam …
Valproic aciddrug interactionsValproic Acid No valproic acid dosage adjustment is recommended when used concomitantly with ORLYNVAH.

Check probenecid and sulopenem etzadroxil against other medicines

Source: FDA drug label (ORLYNVAH), ITERUM THERAPEUTICS US LIMITED, effective December 6, 2025 (SPL set 24c451c0-4cfb-37f3-e063-6394a90a895e), via openFDA; the full label on DailyMed

What do FAERS reports show for probenecid and sulopenem etzadroxil?

The FDA Adverse Event Reporting System holds 2 reports that list probenecid and sulopenem etzadroxil among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 0 are coded as a death and 0 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

  • Culture Urine Positive2

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

What else is labeled for the same conditions as probenecid and sulopenem etzadroxil?

9 other medicines are given the same way (oral) and in the same FDA class as probenecid and sulopenem etzadroxil or labeled mainly for the same use (urinary tract infections), the same class first. Urinary tract infections lists all 39 medicines labeled for it, by any route. The first 8 are below. They are listed as records, not as substitutes: whether one can replace another is a prescriber's decision.

MedicineShared indicationGeneric labelers (oral)Pharmacy costShortage
DoxycyclineUrinary tract infections71 labelers$0.118 per tablet 100 mg tabletA presentation being discontinued
Amoxicillin and clavulanateUrinary tract infections31 labelers$0.0693 per mL 600-42.9 mg/5 mL susNo current entry
NitrofurantoinUrinary tract infections47 labelers$0.165 per capsule 50 mg capsuleA presentation being discontinued
MinocyclineUrinary tract infections21 labelers$0.343 per capsule 100 mg capsuleNo current entry
MethenamineUrinary tract infections10 labelers$0.313 per tablet 1 g tabletNo current entry
FosfomycinUrinary tract infections10 labelers$26.22 per unit 3 g sachetNo current entry
SulfadiazineUrinary tract infections2 labelers$15.06 per tablet 500 mg tabletNo current entry
GepotidacinUrinary tract infectionsnone listed$91.40 per tablet 750 mg tabletNo current entry

Every medicine labeled for the same conditions as probenecid and sulopenem etzadroxil

Source: FDA drug labels (indications), NDC Directory, NADAC of October 7, 2026, FDA shortages (October 8, 2026)

What next?

Probenecid and sulopenem etzadroxil side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other