Unfortunately celery can cause a number of skin reactions. If celery comes into contact with the skin, it can make the skin very sensitive to sunlight (photosensitivity); even a small amount of subsequent sun exposure can cause blistering. It seems to particularly affect pickers, canners and food store workers.

What does a celery allergy look like?

The symptoms of a food allergy, including celery allergy, may come on rapidly (usually within minutes). The most common symptoms of celery allergy are a tingling or itchy mouth or throat, but can also include nettle rash (otherwise known as hives or urticaria) anywhere on the body.

What are the side effects of celery?

• Celery contains the chemical psoralen, which reacts to sunlight. …
• Some people may have an allergy to celery, which can cause a range of symptoms, including skin reactions, digestive upset, and respiratory problems.