The U.S. Food and Drug Administration has issued a warning about a rare but severe reaction that can happen to people who ...

Although the side effect is rare, the FDA said some patients experienced severe itching that required medical attention.

The two antihistamines are approved for seasonal allergic rhinitis in individuals 2 years and up, along with perennial ...

The itching, known medically as pruritus, was so bad that affected people described “significant and persistent impact on quality of life and ability to function.” ...

Allergy seasons are now 13 days longer with 21% higher pollen counts as climate change extends growing seasons ...

When you have a food allergy ... the end of the day. However, every person reacts differently. You may notice lingering effects, like fatigue or skin irritation, for 1 to 2 days afterward.

Shellfish allergy symptoms typically develop within minutes after ingesting seafood or shellfish. They can last from several hours to a few days, depending on the severity of the reaction and the ...

More than 25% of the U.S. population experiences seasonal allergies, also known as allergic rhinitis or hay fever. Allergy season ... taken for more than three days. Long-term use can also cause ...

Spring has been a miserable time for people dealing with itchy, watery eyes, runny noses and rashes caused by allergies, and the recent rain in Albuquerque has caused reactions to get worse. Experts ...

If you have recently stopped taking oral allergy medications, there’s an important warning you should know about.