A man's orgasms triggered flu-like symptoms and brain fog due to a rare condition called post-orgasmic illness syndrome .

Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is ...

A woman who is living with over 40 allergies, including water, has shared how she has to use a colour-coded spread sheet to ...

A milk allergy and lactose intolerance can cause similar symptoms after consuming dairy, but they are not the same. Here are ...

Are you allergic to dogs? Or think you might be? Check out this vet's guide on symptoms, ways to manage allergies, and which dog breeds to stay away from ...

A TEENAGE girl who’s allergic to WATER and 39 other substances says getting caught in the rain makes her want to “scrape my ...

Medically reviewed by Brendan Camp, MD Hives and eczema are two of the most common skin disorders. Hives, clinically known as ...

You can have a reaction to various foods, but it’s not always an allergy – the difference lies with your immune system.

These symptoms are signs of food allergies in children - Food allergies vary from mild to severe. Here’s what to know ...

Hives usually occur as an allergic response ... call 911 or your local emergency number immediately. For mild allergic reaction symptoms, such as a mild rash, call your doctor right away.

While you may be aware of more common outdoor allergies, you may not know that plenty of things in your home could be causing ...

Research suggests that introducing kids to food allergens early in life can help—but that the same might not be true for ...