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Prescription medicine

Zinc sulfate

Zinc sulfate is a prescription medicine with an FDA approval on record since 1987. FDA's NDC Directory lists it from 8 generic labelers.

  • Generic listed

Check it at the source: the zinc sulfate FDA label on DailyMed (effective October 1, 2020, American Regent, Inc.); the NDA 19229 record on Drugs@FDA; every zinc sulfate label on DailyMed.

Highlights of the record

FDA label of October 1, 2020; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

Zinc Sulfate Injection is indicated in adult and pediatric patients as a source of zinc for parenteral nutrition when oral or enteral nutrition is not possible, insufficient, or contraindicated.

Forms and strengths

  • 1 mg/ml
  • 3 mg/ml
  • 5 mg/ml
  • 25 mg/5ml
  • 30 mg/10ml

Injection (solution); solution; injection.

On the market

Earliest approval on file
May 5, 1987 Zinc Sulfate, Abraxis Pharm; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
8 first May 3, 2022; 8 with a marketed status in Drugs@FDA
Labelers listed (NDC)
9 of which 8 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)
2 since 2013 0 Class I among all firms' recalls; latest July 30, 2025; 11 more by firms not listed as its makers
FAERS reports
2,808 through July 30, 2026

What is zinc sulfate used for?

From the label: indications and usage

Zinc Sulfate Injection is indicated in adult and pediatric patients as a source of zinc for parenteral nutrition when oral or enteral nutrition is not possible, insufficient, or contraindicated. Zinc Sulfate Injection is a trace element indicated in adult and pediatric patients as a source of zinc for parenteral nutrition when oral or enteral nutrition is not possible, insufficient, or contraindicated.

FDA pharmacologic class: Copper Absorption Inhibitor.

Source: FDA drug label (Zinc Sulfate), American Regent, Inc., effective October 1, 2020 (SPL set 4b528c88-07a0-4dce-84c6-ccd32555bbff), via openFDA; the full label on DailyMed

Is there a generic for zinc sulfate?

The FDA approved the first generic zinc sulfate on May 3, 2022. 8 generic applications are approved; 8 of them carry a current (not discontinued) marketing status in Drugs@FDA; that status is not evidence that the generic is on sale.

FDA's NDC Directory lists zinc sulfate from 8 labelers under a generic (ANDA) application and from 1 brand labeler. A listing means the company has registered the product for sale; it does not show that every pharmacy stocks it.

  • 1987 earliest approval on file
  • 2022 first generic approved
  • red ticks recalls

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

Has zinc sulfate been recalled?

The FDA's Enforcement Report lists 13 recalls naming zinc sulfate since 2013: 0 Class I (the most serious), 13 Class II, 0 Class III; 1 still ongoing. 11 of them are by firms that FDA's NDC Directory does not list as a maker of zinc sulfate and that hold no application for it in Drugs@FDA, such as compounding pharmacies or bulk-ingredient suppliers; the recall notice names the product recalled. A recall names products and lots, not every product of the medicine.

StartedClassCompanyReason
July 30, 2025Class IIGenoGenix LLCLack of Assurance of Sterility
June 19, 2019Class IIRXQ Compounding LLC not a listed makerLack of Assurance of Sterility
December 17, 2018Class IIPromise Pharmacy, LLC not a listed makerLack of sterility assurance.
September 10, 2018Class IIPharm D Solutions, LLCLack of Assurance of Sterility
October 16, 2015Class IIDowning Labs, LLC not a listed makerLack of Assurance of Sterility
September 12, 2015Class IIUS Compounding Inc not a listed makerLack of Assurance of Sterility; The firm is recalling all sterile preparations that are within expiry due to deficient practices which may have an impact on …
July 26, 2013Class IIBeacon Hill Medical Pharmacy, P.C. not a listed makerLack of Assurance of Sterility; FDA inspectional findings resulted in concerns associated with quality control procedures that impacted sterility assurance
July 2, 2013Class IIAidapak Services, LLC not a listed makerLabeling: Label Mixup; ZINC SULFATE, Capsule, 220 mg (50 mg Elem Zn) may be potentially mislabeled as PHOSPHORUS, Tablet, 250 mg, NDC 64980010401, Pedigree …

Source: FDA Enforcement Report (drug recalls) via openFDA, through October 8, 2026

What do FAERS reports show for zinc sulfate?

The FDA Adverse Event Reporting System holds 2,808 reports that list zinc sulfate among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 390 are coded as a death and 1,264 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.

Reports received each year

The most reported reactions

  • Diarrhoea223
  • Fatigue180
  • Nausea173
  • Death (an outcome recorded in the report)155
  • Off Label Use (a use or a product term, not a reaction)154
  • Pain145
  • Vomiting141
  • Dyspnoea (named in the label)137

Side effects: the label's list and every FAERS reaction

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

What next?

Alternatives to zinc sulfate
medicines labeled for the same conditions
Other copper absorption inhibitors
the pharmacologic class, with prices and generics
Zinc sulfate side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other