There are no true allergies against iodine.

Lying about a medical condition, however well intentioned, is not good etiquette, and may lead to a true allergy not being taken seriously.

Dr. Holmes said that in rare cases someone might have a true allergy to a specific chemical.

A pseudoallergy is a condition named for its similar presentation to a true allergy, though due to different causes.

AA later acknowledged that "alcoholism is not a true allergy, the experts now inform us."

These were probably not true allergies, Ross noted, but they had clearly distorted her diet significantly.

Doctors are able to identify only one true allergy: milk, which she drinks frequently in the movie without incident.

Many Americans believe they have food allergies, while in reality fewer than 1% have true allergies.

There's some debate as to whether fragrance reactions are a true allergy or simply a response to an irritant.

Amino acids are changed to other substances, which may act in much the same way as histamine in a true allergy.