Adult-Onset Allergies. “I’ve seen people in their 60s and 70s that are retired, never had any allergy symptoms or asthma and suddenly develop it,” McGrath says. Nearly 18 million adults in the United States have hay fever, or allergic rhinitis.
Developing adult-onset allergies — from seasonal allergies to food allergies — is possible no matter how old you are. Allergies develop when.
But in the spring of , she began experiencing symptoms she'd never had before – itchy, watery eyes, congestion and an itchy, runny nose. It's possible to develop adult-onset allergies – to pollen, certain foods, cosmetic ingredients or other culprits – at any time in your.