Redtop Grass Pollen Extract: Uses, Side Effects, and Safety
Redtop Grass Pollen Extract is an allergenic extract made from redtop grass pollen. Allergy professionals use it for skin testing to help identify grass allergies and for allergen immunotherapy, which may reduce a person's sensitivity to the pollen.
This pollen extract must be used under the direction of an allergy specialist, usually for testing or a supervised allergy immunotherapy program. Seek emergency help for breathing difficulty, throat swelling, faintness, or other signs of a severe allergic reaction.
Key facts at a glance
- RxNorm
- 851870
- Generic
- Redtop Grass Pollen Extract
- Class
- unclassified
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- solution
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 31, 2026. · Read our editorial policy