An allergic reaction to hair dye will usually start within ... two-thirds of permanent hair dyes and can penetrate the hair shaft as well as bind to proteins in the skin. Other potential allergens ...

The FDA warns that longtime users of popular allergy medications may experience "severe itching" after stopping use.

Allergy season is upon us. How long do we have to endure all this sneezing? "There isn't one single 'worst' time for everyone, as it really depends on what specific allergens trigger an individual ...

Most skin reactions are eczematous and allergic in nature, although urticarial, bullous, and vasculitic eruptions may occur. Also, more complex immune reactions may develop around the implants ...

We could be nearing a cure for those nasty spring allergies — and even allergic reactions altogether. A decades-old asthma medication called omalizumab, which is sold as Xolair, has shown that ...

Neffy, a new device approved by the Food and Drug Administration, is the first needle-free treatment for severe allergic reactions.Credit...ARS Pharmaceuticals Supported by By Teddy Rosenbluth Dr ...