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Barley Malt Allergenic Extract

Published: July 26, 2026Updated: August 31, 2026

Barley Malt Allergenic Extract is a diagnostic and therapeutic preparation derived from barley malt used to identify and treat hypersensitivity reactions to barley and related grain allergens. It is administered to patients presenting with symptoms suggestive of barley malt allergy, such as respiratory or cutaneous reactions after exposure to barley-containing products. This extract is available in various concentrations for both diagnostic skin testing and potential immunotherapy applications.

Quick summary

Barley Malt Allergenic Extract is used to diagnose and potentially treat allergies to barley and malt-containing substances.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 31, 2026Editorial policy

Key facts at a glance

RxNorm
1006510
Generic
Barley Malt Allergenic 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.

Used for the diagnosis of barley and malt allergies through skin prick testing, and may be employed as part of allergen immunotherapy for desensitization in confirmed allergic individuals experiencing symptoms such as rhinitis, asthma, or contact dermatitis related to barley exposure.

The extract contains antigenic proteins from barley malt that trigger an immune response when introduced to the skin or body of an allergic individual. In diagnostic use, it elicits a localized allergic reaction (wheal and flare) if specific IgE antibodies are present. In immunotherapy, repeated controlled exposure aims to induce immune tolerance over time.

Should only be administered by healthcare professionals trained in allergen testing. Prior allergy testing for general atopy is recommended before use. Contraindicated in patients with severe uncontrolled asthma, significant skin conditions at test site, or those taking medications that may interfere with test results. Emergency equipment should be readily available due to risk of anaphylaxis.

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.

Medical Disclaimer

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