Allergies affect millions of Americans each year, causing symptoms like sneezing, congestion, itchy eyes, fatigue, and even asthma flare ups. For many patients, over-the-counter medications or nasal ...

What if instead of temporarily relieving your allergies with medication, you could train your immune system to stop overreacting to your allergens altogether? That’s the idea behind allergy ...

Medically reviewed by Corinne Savides Happel, MD Key Takeaways Allergy immunotherapy works by gradually exposing the immune system to allergens to reduce sensitivity.Allergy shots have a build-up ...