Just thinking about poison ivy can make you itch. Blistering rashes on your arms and ankles, oozing bumps between your fingers and eyelid-swelling exposures are all-too-familiar summer hazards.

When the rash is in a clothing (or textile) distribution, it may be due to an allergy to dyes or formaldehyde resins used in the manufacture of the clothing. Generally, textile dermatitis conforms ...

and found that all four patients had an allergic reaction to the shellac in the mascara. Shellac is a natural resin produced by the insect Laccifer lacca and is mostly harvested in India for use ...

Most people have never heard of primary biliary cholangitis (PBC), but the progressive, rare cholestatic liver disease can ...

Irritable bowel syndrome, chronic itching, asthma and migraine are in many cases hard-to-treat conditions. They have in ...

New seasonal allergies in adulthood can result from a genetic predisposition, exposure to new allergens, changes to your ...

If you have a shellfish allergy, you’ll want to avoid the types of shellfish you are allergic to. Also, be mindful that most people who have an allergy to one type of shellfish may also have an ...

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 ...

Your scalp’s reaction to hair products offers clues about irritation, sensitivity, and what works for your skin type.

Conservators and museum technicians protect precious archaeological metal objects, such as tools and weapons, with clear ...

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 it can ...