He may have a history of anomalous reactions, and there's also a chance he's missed a seasonal.

He had no history of reactions.

They would signal a history of nuclear reactions.

If you have a history of severe allergic reactions, carry an epinephrine pen and wear a medical alert tag.

People with a history of serious or anaphylactic reactions may be prescribed an auto-injector, sometimes called a bee-sting kit.

People with a history of allergic reactions may be at greater risk for developing a severe reaction in the future.

Thanks to a history of bad reactions, Louanne Weston was willing to do almost anything to avoid anesthesia.

They can however confirm an allergy in light of a patient's history of reactions to a particular food.

The person has a history of severe allergic reactions (check for a medical ID tag).

In the meantime, they said, skin tests should be repeated when the results are negative for people with histories of allergic reactions to stings.