Thyroid Drug Recalled for Super Potency

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Acella Pharmaceuticals is voluntarily recalling certain lots NP Thyroid tablets after testing found them to be “superpotent.”

Symptoms Caused by Super Potent NT Thyroid Tablets

According to CBS New York, patients who are taking NP Thyroid for hypothyroidism (underactive thyroid), may experience the following symptoms of hyperthyroidism (overactive thyroid):

  • Weight loss
  • Heat intolerance
  • Fatigue
  • Muscle weakness
  • Hypertension
  • Chest pain
  • Rapid heart rate
  • Heart rhythm disturbances

The company says the affected products may contain up to 115% of the labeled amount of Liothyronine. They also noted that pregnant women who have taken the drug may experience negative maternal and fetal outcomes, including miscarriage or “impairment to fetal development.”

Patients are advised to contact their doctors for a replacement prescription before discontinuing use.

What the Recall Includes

The recall includes 13 lots of 30-mg, 60-mg, and 90-mg tablets which were packaged in 100-count bottles. The following lot numbers are affected:

  • NP Thyroid 30 mg: Lot M329A19-1 expiration 20-Dec, lot M329H18-1 expiration 20-Jul, lot M329J18-1 expiration 20-Aug, lot M329J18-2 expiration 20-Aug, lot M329J18-3 expiration 20-Aug, lot M329M18-2 expiration 20-Nov
  • NP Thyroid 60 mg: Lot M330J18-2A expiration 20-Aug, lot M330J18-3 expiration 20-Aug
  • NP Thyroid 90 mg: Lot M331G18-1 expiration 20-Jun, lot M331J18-1 expiration 20-Aug, lot M331J18-2 expiration 20-Aug, lot M331M18-1 expiration 20-Nov, lot M331M18-2 expiration 20-Nov

Patients with questions about the recall can email Acella Pharmaceuticals at or contact Acella Customer Service at 1-800-541-4802, Monday through Thursday from 9:00 am to 5:00 pm ET and Friday from 9:00 am to 12:30 pm ET.

Contact an Experienced Drug Side-Effect Attorney

If you or a loved one has been the victim of a dangerous pharmaceutical drug or medical device, you may be entitled to compensation. You deserve dynamic representation from a law firm with the resources necessary to take on the pharmaceutical companies. Thomas J. Henry has a track record of helping clients receive record-breaking verdicts, settlements, and judgments.

Our firm has offices in Corpus ChristiSan Antonio, and Austin, serving clients across Texas and nationwide. Call us today for a free case review — attorneys are available 24/7, nights and weekends.

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