Why Do You Have Allergies All of a Sudden?
Is It an Allergy?
An allergy might not be causing your problem. Irritants that can cause allergy-like symptoms include perfumes, sprays, tobacco smoke, and traffic fumes. Medications and conditions, including pregnancy, can also bring on symptoms.
This is called "non-allergic rhinitis." It’s not an allergy itself, but irritants may make non-allergic rhinitis symptoms worse.
Treating Adult Allergies
If you have mild symptoms, over-the-counter antihistamines may offer relief. But it’s best to see a doctor to find out what's causing the reaction, so you get the right treatment.
For example, antihistamines might not help symptoms triggered by an irritant. And if a sudden reaction to certain foods is linked to a pollen allergy, your allergist will need to treat the pollen allergy.
Allergies are treated three ways:
- avoiding the allergen
- taking medication such as an antihistamine, decongestant, or steroid pills or sprays, creams, or ointments
- getting allergy shots to change how your immune system responds to the allergen
- Usually, the shots are given only if the other two treatments don’t bring enough relief.
Some signs of a severe reaction are:
- trouble breathing or swallowing
If you think you may be having a severe reaction, call 911.