3 doctors weighed in:

Can protease cause an allergic reaction if it's hiding in some processed foods?

3 doctors weighed in
Dr. Javier Chinen
Pediatrics - Allergy & Asthma
2 doctors agree

In brief: Usually airborne

Proteases are a subgroup of proteins, which are most common cause of allergies.
For example, mold allergies are caused by contact with proteases found in molds. Allergies to proteins that are proteases have been described for respiratory allergies. Whether an individual can develop an allergic reaction (respiratory) by ingesting a protease is possible but unlikely.

In brief: Usually airborne

Proteases are a subgroup of proteins, which are most common cause of allergies.
For example, mold allergies are caused by contact with proteases found in molds. Allergies to proteins that are proteases have been described for respiratory allergies. Whether an individual can develop an allergic reaction (respiratory) by ingesting a protease is possible but unlikely.
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