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Unrated Drug recall · FDA · Published April 18, 2017

Sun Pharmaceutical Riomet Oral Solution Recall: Microbial Contamination Risk

Sun Pharmaceutical recalls Cherry Flavored Riomet oral solution due to microbial contamination. This medication is for diabetes treatment and must be stopped if used.

🇺🇸 FDA recall #D-0109-2018DrugSun Pharmaceutical ›
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Recalling firmSun Pharmaceutical Industries, Inc.270 Prospect Plains Rd · Cranbury, NJ 08512-3605
✎ GovInfoNow plain-language explainer

What happened, in plain English

Sun Pharmaceutical is recalling cherry-flavored Riomet oral solution (metformin) because it may contain harmful bacteria. This poses a risk of infection or illness if taken. Read more at govinfonow.com/recall/41687-sun-pharmaceutical-riomet-oral-solution-recall-microbial-contamination-risk.

Source Summary by GovInfoNow · govinfonow.com/recall/41687-sun-pharmaceutical-riomet-oral-solution-recall-microbial-contamination-risk · Updated October 8, 2026 · FDA enforcement record: FDA #D-0109-2018

Cite this page

“Sun Pharmaceutical Riomet Oral Solution Recall: Microbial Contamination Risk.” GovInfoNow, updated October 8, 2026. https://govinfonow.com/recall/41687-sun-pharmaceutical-riomet-oral-solution-recall-microbial-contamination-risk. Based on FDA recall #D-0109-2018 (https://api.fda.gov/drug/enforcement.json?search=recall_number:%22D-0109-2018%22&limit=1).

Why it’s dangerous

The medication may have been contaminated with bacteria during production, which could cause infections or illness if taken. This is a risk for people using the product as directed.

Who’s affected

People who have been prescribed this diabetes medication and are using the recalled cherry-flavored oral solution. Those with diabetes who take this specific formulation are most at risk.

How to tell if you have this one

Check for the cherry-flavored Riomet oral solution with 500 mg/5 mL concentration. The product comes in HDPE bottles labeled with NDC numbers 10631-206-01 (4 fl. oz.) or 10631-206-02 (16 fl. oz.).

  • Brand
    Sun Pharmaceutical
  • Category
    Drug
Based on the official FDA remedy

What to do — step by step

  1. Check Product Label

    Look for the NDC numbers 10631-206-01 or 10631-206-02 on the bottle.

Where it went and when

Where it was distributed

Distributed nationwide.

Alaska: yesAKMaine: yesMEVermont: yesVTNew Hampshire: yesNHWashington: yesWAIdaho: yesIDMontana: yesMTNorth Dakota: yesNDMinnesota: yesMNIllinois: yesILWisconsin: yesWIMichigan: yesMINew York: yesNYRhode Island: yesRIMassachusetts: yesMAOregon: yesORNevada: yesNVWyoming: yesWYSouth Dakota: yesSDIowa: yesIAIndiana: yesINOhio: yesOHPennsylvania: yesPANew Jersey: yesNJConnecticut: yesCTCalifornia: yesCAUtah: yesUTColorado: yesCONebraska: yesNEMissouri: yesMOKentucky: yesKYWest Virginia: yesWVVirginia: yesVAMaryland: yesMDDelaware: yesDEArizona: yesAZNew Mexico: yesNMKansas: yesKSArkansas: yesARTennessee: yesTNNorth Carolina: yesNCSouth Carolina: yesSCDistrict of Columbia: yesDCOklahoma: yesOKLouisiana: yesLAMississippi: yesMSAlabama: yesALGeorgia: yesGAHawaii: yesHITexas: yesTXFlorida: yesFL

FDA distribution: “Nationwide” States read from FDA’s own wording; “not listed” means the notice does not name it.

Distributed nationwide.

Recall timeline

FDA terminated this recall 13 months after the firm started it.

1. Firm started the recall: Apr 18, 201712. FDA classified it Class II: Dec 13, 201723. Published in FDA’s Enforcement Report: Dec 20, 201734. FDA terminated the recall: May 30, 2018420172018
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report
  4. FDA terminated the recall

Dates from the agency record only; steps without a date are left out.

✎ GovInfoNow

Questions people ask

Is this medication safe to use?

The recall states there is a risk of microbial contamination, so it is not safe to use as is. You should stop using it and contact your doctor.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: FDA Recall #D-0109-2018 (April 18, 2017) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for D-0109-2018 to see it in context.
  • Plain-language summary written by qwen3:4b on October 8, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA