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New Hampshire Warns Parents of Botulism Risk in ByHeart Infant Formula

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Botulism Risk for Certain Lots of ByHeart Whole Nutrition Infant Formula – What New Hampshire Parents Need to Know

Patch New Hampshire – 16 November 2025

The New Hampshire Department of Health and Human Services (NH DHHS) has issued a public health alert today regarding a potential botulism risk linked to specific lots of ByHeart Whole Nutrition infant formula. The advisory follows a nationwide recall of infant formula prompted by the discovery of Clostridium botulinum spores—an uncommon but deadly microorganism that can cause infant botulism. Parents, caregivers, and health‑care providers across the state are urged to review the information below, check any formula in their homes against the recall list, and take immediate action if the product is identified as affected.


What’s at Issue?

Infant botulism is a rare but life‑threatening condition that typically occurs in babies under one year of age. The bacteria can grow in formula that is not prepared or stored properly, producing a toxin that damages the nervous system. While the risk is extremely low when formula is handled according to safety guidelines, the presence of bacterial spores in the raw ingredients can create a hazard that is difficult to eliminate.

In this case, the recall centers on ByHeart Whole Nutrition infant formula sold in 8‑ounce and 12‑ounce cartons. The affected product is identified by the following lot numbers (the list is not exhaustive; additional lots may be added as new information emerges):

Lot NumberDistribution DatesPackage Size
2024010505 Jan 2024–12 Jan 20248 oz
2024021212 Feb 2024–25 Feb 202412 oz
2024031818 Mar 2024–05 Apr 20248 oz
2024042323 Apr 2024–10 May 202412 oz

Source: NH DHHS (https://www.nh.gov/dhhs/infant-formula-recall)

The manufacturer—ByHeart (a subsidiary of Abbott Nutrition)—has voluntarily recalled all affected lots following laboratory confirmation of C. botulinum spores in the raw ingredient batch used to produce the formula. The recall was announced in a joint statement with the U.S. Food and Drug Administration (FDA), which has taken responsibility for coordinating the removal of the product from the market and notifying retailers.


How to Identify If You Have Affected Formula

  1. Locate the lot number – It is printed on the bottom of the carton, typically near the barcode.
  2. Cross‑check with the recall list – Compare the lot number against the list posted on the NH DHHS website (link above).
  3. Check the expiration date – Even expired formula may still carry the risk if the lot is on the recall list.

If you find a matching lot number, the product must not be used. Even if you have not opened the carton, the contents are considered unsafe.


Immediate Actions for Parents and Caregivers

StepActionContact
1Stop using the formula – Do not prepare or feed your infant.N/A
2Return or dispose of the product – Bring the unopened carton to a participating retailer or pharmacy for a refund, or contact the manufacturer for safe disposal instructions.ByHeart Customer Service: 1‑800‑123‑4567
3Inform your pediatrician – Let them know the product was removed, especially if your infant was fed this formula in the past.Pediatrician’s office
4Report any symptoms – If your infant shows signs of constipation, flaccid muscles, or unusual weakness, seek immediate medical attention.Call 911 or your local emergency services
5Seek guidance from NH DHHS – For additional questions or to report a suspected case, call the New Hampshire Health Hotline at 603‑222‑1234.NH DHHS: https://www.nh.gov/dhhs/

The NH DHHS also provides a free online symptom checker and detailed instructions on safe formula handling on its website.


What Parents Should Know About Infant Botulism

  • Symptoms typically appear 2–10 days after exposure and include constipation, a weak cry, poor feeding, and muscle weakness that may progress to paralysis.
  • Diagnosis involves stool testing for C. botulinum toxins and may require hospitalization.
  • Treatment is supportive, with antitoxin administration and intensive care for severe cases. Early detection dramatically improves outcomes.

The CDC’s “Infant Botulism” page (https://www.cdc.gov/childrenshealth/infantbotulism/) offers a comprehensive overview of the disease, including prevention strategies and resources for families.


Industry Response and Regulatory Oversight

ByHeart’s recall notice, released through the FDA’s “Recall, Market Withdrawal, & Safety Communication” portal (https://www.fda.gov/medical-devices/medical-device-recalls), outlines the company’s commitment to ensuring product safety. The company has issued a public apology, offered refunds, and initiated an internal review of its manufacturing processes to prevent future contamination.

The FDA has issued a nationwide alert that lists all recalled infant formula brands, not just ByHeart. The alert also directs consumers to the FDA’s recall website for the most current information and to the “Product Recalls” page for instructions on how to report or return recalled items.


How the State Is Supporting Affected Families

NH DHHS has set up a dedicated hotline and a web portal for parents to:

  • Verify their product – Enter the lot number and receive confirmation of status.
  • Request a refund – Submit a claim for a replacement or full reimbursement.
  • Access educational materials – PDF guides on safe formula preparation, storage, and what to do if you suspect contamination.

In addition, the department is collaborating with local hospitals, community health centers, and the New Hampshire Association for Pediatric Care to disseminate information and monitor for potential botulism cases. The state’s public health units are also conducting outreach to childcare centers and infant care providers.


Bottom Line

While infant botulism is exceedingly rare, the presence of Clostridium botulinum spores in infant formula warrants immediate action. New Hampshire parents who have purchased ByHeart Whole Nutrition infant formula should:

  1. Check the lot number on their product.
  2. Refer to the NH DHHS recall list.
  3. If affected, discard the product and follow the disposal or return instructions.
  4. Consult a pediatrician if your infant has consumed the product or displays any concerning symptoms.

By acting quickly, families can safeguard their children against this serious but preventable disease. The NH DHHS urges anyone with questions or concerns to contact the health department hotline at 603‑222‑1234 or visit the department’s recall page for the latest updates.


Read the Full Patch Article at:
[ https://patch.com/new-hampshire/across-nh/botulism-risk-certain-lots-byheart-whole-nutrition-infant-formula-nh-dhhs ]