Medically reviewed by Corinne Savides Happel, MDKey TakeawaysAllergies can cause headaches, either as sinus headaches or ...

Yes, allergies can increase your heart rate. This may occur as a symptom of allergic rhinitis or as a side effect of an allergy medication. Learn more about prevention and treatment options. Your ...

Medically reviewed by Jurairat J. Molina, MD Key Takeaways An itchy throat can be caused by allergies, pollutants, or viral infections.Home remedies and over-the-counter antihistamines can help ...

Causes of allergic rhinitis: Commonly known as nasal allergies, it happens when the lining inside your nose becomes inflamed because your body’s immune system reacts strongly to certain allergens ...

Weather changes do not cause allergies. However, people may experience allergies when the seasons change for other reasons, such as an increase in pollen or mold in the air. Alternatively, a person ...

Allergic rhinitis, often-called allergies or hay fever, occurs when your immune system overreacts to particles in the air that you breathe. Your immune system attacks the particles in your body, ...

Tree pollen allergies are a common form of allergic reaction. It can cause allergic rhinitis or hay fever, with symptoms including itchy eyes, congestion, runny nose, and more. Tree pollen causes the ...

Nearly a quarter of Portuguese adults have allergies that cause a runny nose. This respiratory disease, formally called allergic rhinitis and frequently associated with asthma, is a common problem ...

Dear Dr. Roach: I am a 70-year-old man in overall good health. I am also a dialysis patient and have neuropathy in my feet. About three or four years ago, I began experiencing very strong nasal ...

When you have allergies or a cold, a runny nose can be a nuisance. Some of us, however, may get a runny nose every time we enjoy a meal. While keeping a box of tissues with you at the dining table isn ...