Reaching for your allergy medication should be routine, not something you need to double-check. But if you take generic cetirizine (the active ingredient in Zyrtec), it’s worth looking at your bottle before your next dose — four specific lots have just been recalled nationwide over a contamination risk the FDA calls potentially life-threatening.
Key Takeaways
- Unique Pharmaceutical Laboratories has voluntarily recalled four lots of Cetirizine Hydrochloride Tablets USP 5 mg, distributed nationwide by Rising Pharma Holdings, after they were found cross-contaminated with a different drug, ranitidine.
- People sensitive to ranitidine could experience severe allergic reactions, including dangerously low blood pressure, throat and facial swelling, difficulty breathing, hives, or loss of consciousness — the FDA describes these as potentially life-threatening.
- No adverse events have been reported so far in connection with this recall.
- The issue was caught by a pharmacy technician who noticed red dots and discoloration on some tablets while counting them for dispensing.
What Was Actually Recalled
The recall covers Cetirizine Hydrochloride Tablets USP 5 mg, sold in 100-tablet bottles under NDC 16571-401-10, manufactured by Unique Pharmaceutical Laboratories (a division of J.B. Chemicals & Pharmaceuticals) and distributed by Rising Pharma Holdings. Four specific lots are affected, all sharing the same expiration date:
- Lot GY825029 — expires 10/2028
- Lot GY825030 — expires 10/2028
- Lot GY825031 — expires 10/2028
- Lot GY825032 — expires 10/2028
The lot number is printed on the bottle label, alongside the NDC number — both are worth checking against this list if you have a bottle of generic cetirizine at home.
Why This Is Considered a Serious Risk
The tablets were cross-contaminated with ranitidine, a different drug once widely used for ulcers and acid reflux (sold under the brand name Zantac before it was pulled from the market in 2020 over an unrelated contamination issue). Cetirizine and ranitidine are different classes of medication entirely, so someone taking an allergy pill has no reason to expect — or watch for — a reaction tied to a completely different drug. The FDA’s risk statement is direct about the stakes: people hypersensitive to ranitidine could experience severe allergic reactions or anaphylaxis, with symptoms including low blood pressure, difficulty breathing or swallowing, throat and facial swelling, hives, and loss of consciousness — all of which the agency classifies as potentially life-threatening. As of the recall announcement, no adverse events tied to this contamination had actually been reported.
How the Problem Was Found
According to the company’s recall notice, a pharmacy technician noticed something off while counting out tablets for a prescription: some pills had unusual red dots on them, and others appeared discolored. That discrepancy triggered a product complaint, which led back to the cross-contamination with ranitidine. It’s a useful reminder that visually inspecting pills — not just trusting the label — occasionally catches problems automated quality checks miss.
What to Do If You Have This Product
If you have a bottle of generic cetirizine at home, check the NDC number (16571-401-10) and lot number against the list above. If it matches, stop taking it and contact Rising Pharma Holdings at 1-844-874-7464 (weekdays, 8 a.m. to 5 p.m. ET) or by email at pv@risingpharma.com to arrange a return. If you’ve taken tablets from an affected lot and experienced any unusual symptoms — especially swelling, difficulty breathing, dizziness, or hives — contact your doctor. Adverse reactions can also be reported directly to the FDA’s MedWatch program online.
Source: U.S. Food and Drug Administration, “Unique Pharmaceutical Laboratories… Issues Voluntary Nationwide Recall of Cetirizine Hydrochloride Tablets USP 5 mg Due to Potential Cross Contamination with Ranitidine” (July 20, 2026).