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Prescription medicine

Succimer Brand names: Chemet, Nephroscan

Succimer (Chemet) is a prescription medicine with an FDA approval on record since 1991. No generic is listed in FDA's NDC Directory.

  • No generic listed

Check it at the source: the succimer FDA label on DailyMed (effective July 10, 2025, Recordati Rare Diseases, Inc.); the NDA 19998 record on Drugs@FDA; every succimer label on DailyMed.

Highlights of the record

FDA label of July 10, 2025; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

CHEMET is indicated for the treatment of lead poisoning in pediatric patients aged 1 year and older with blood lead levels above 45 mcg/dL.

Forms and strengths

  • 1 mg
  • 100 mg

Capsule; injection (powder) (lyophilized) for solution.

On the market

Earliest approval on file
January 30, 1991 Chemet, Recordati Rare; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
2 of which 0 under generic applications, 2 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
69 through July 30, 2026

What is succimer used for?

From the label: indications and usage

CHEMET is indicated for the treatment of lead poisoning in pediatric patients aged 1 year and older with blood lead levels above 45 mcg/dL. CHEMET is a lead chelator indicated for the treatment of lead poisoning in pediatric patients aged 1 year and older with blood lead levels above 45 mcg/dL. ( 1 ) Limitations of Use CHEMET is not indicated for prophylaxis of lead poisoning in a lead-containing environment. ( 1 ) CHEMET does not cross the blood-brain barrier and is not indicated to treat encephalopathy associated with lead toxicity. ( 1 ) Limitations of Use CHEMET is not indicated for prophylaxis of lead poisoning in a lead-containing environment. […]

FDA pharmacologic class: Lead Chelator.

Source: FDA drug label (Chemet), Recordati Rare Diseases, Inc., effective July 10, 2025 (SPL set 62035612-9505-3a3f-1ac8-e2dbd711d24e), via openFDA; the full label on DailyMed

Is there a generic for succimer (Chemet)?

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

  • 1991 earliest approval on file

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

What does the succimer label say about other medicines?

The succimer label names 1 other medicine 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
Tetrakis copper tetrafluoroboratewarnings and precautionsImage interpretation may be affected as the kidneys may not absorb technetium Tc 99m succimer.

Check succimer against other medicines

Source: FDA drug label (Chemet), Recordati Rare Diseases, Inc., effective July 10, 2025 (SPL set 62035612-9505-3a3f-1ac8-e2dbd711d24e), via openFDA; the full label on DailyMed

What do FAERS reports show for succimer?

The FDA Adverse Event Reporting System holds 69 reports that list succimer among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 1 are coded as a death and 13 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

  • Off Label Use (a use or a product term, not a reaction)23
  • Product Availability Issue9
  • Arthralgia6
  • Hypertension5
  • No Adverse Event (a use or a product term, not a reaction)5
  • Weight Increased5
  • Condition Aggravated (a use or a product term, not a reaction)4
  • Dizziness (named in the label)4

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

What next?

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