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FDA recall, , Low risk

Greer Laboratories Sweet Vernal Grass Pollen

The product has a phenol concentration above the specification limit.

Greer Laboratories began this recall on Jan 26, 2026. FDA posted it on Oct 29, 2026; it is still open.

What happened

Greer Laboratories, Inc., of Lenoir, North Carolina, is voluntarily recalling one unit of Standardized Sweet Vernal Grass 100,000 BAU/mL, 5mL, because a reported phenol concentration was recorded at a higher level than the specification limit. The recall affects the product Pollens - Grasses, Sweet Vernal Grass Anthoxanthum odoratum and was distributed in the District of Colombia.

The company began the recall on January 26, 2026, and notified customers by letter. The FDA added the recall to its Enforcement Report on October 29, 2026.

What to do

Allergenic extracts are used by allergists and other doctors for allergy skin tests and allergy shots. If you had allergy testing or get allergy shots, ask the office that treats you whether this product was used. If they contact you, follow their advice.

What was recalled

Allergists' offices and clinics match these details against their records.

  1. Pollens - Grasses, Sweet Vernal Grass Anthoxanthum odoratum

    Lot code
    • 446661

Recall details

Posted by FDA
Recall began
Status
Open
Distributed to

District of Columbia

Recalled by
Greer Laboratories, Inc.Lenoir, North Carolina
Risk

Low risk

Its use is unlikely to cause health problems.

FDA Class III recall · How risk is rated

FDA event number
99659
Recall number
B-0021-2027
Recall type
Voluntary: Firm initiated
How the company first told customers
Letter

All recalls from Greer Laboratories, Inc.

Timeline

FDA's Enforcement Report is its public list of recalls; FDA posts a recall by adding it there.

  1. Greer Laboratories began the recall

  2. FDA posted the recall to its Enforcement Report and rated it Class III (low risk)

  3. Added to Recall Canary

  4. Summary updated

Summary by Recall Canary, written with AI · summary updated Oct 31, 2026 · primary source: U.S. Food and Drug Administration (opens in a new tab)