In the case of seasonal allergies, antihistamines can also be used ahead of time before you’re exposed to an allergy trigger - like pollen. While some people take antihistamines as needed for allergy symptoms, daily use is currently expert recommended and may be an option to consider for people struggling with symptom control. Antihistamines work by blocking areas of your body where histamine would normally attach to cause these symptoms. It then triggers allergy symptoms, like a runny nose or itchy eyes. Histamine is a chemical our immune system releases when we come into contact with something we’re allergic to. These include over-the-counter (OTC) allergy medicines like: If your allergies only appear sporadically - say when the pollen count is high or you have that random encounter with your friend’s cat - oral antihistamines may be your best bet. Here are the three most common kinds of allergy medicines people use. What are the best allergy medicines to take?ĭepending on how long these symptoms last, certain allergy medicines may work better than others. While allergy symptoms may vary from person to person, the most common ones include: This is caused by environmental allergens, including:Ĭertain foods that you might be allergic to can also trigger an immune response - but they rarely lead to perennial allergies. Causes of AllergiesĪllergic rhinitis, more popularly known as hay fever, refers to symptoms that affect the nose. On the flip side, fall allergy season usually lasts from August to October, with mid-September being the roughest time. you live, spring allergy season can start as early as February and last into the beginning of summer. Seasonal allergies tend to be most troublesome in the spring and fall. People with seasonal allergies usually refer to the times when they experience symptoms as “allergy season.” For others, they can be year-round - called perennial allergies. For some people, allergy symptoms only appear at certain times of the year but may last for a few months - called seasonal allergies. View more medications How long do allergy symptoms last?Īllergy symptoms can last anywhere from a few hours to several months depending on what’s causing them and how they’re treated.
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