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  2. Which Allergy Medicine Is Actually Most Effective? - AOL

    www.aol.com/lifestyle/allergy-medicine-actually...

    Loratadine is also used to treat symptoms of allergies, like runny nose, congestion, and itchiness. How Claritin works. Claritin works similarly to Zyrtec, Dr. Alan says, meaning it helps block ...

  3. It's Not in Your Head: Doctors Say Allergy Season Is Getting ...

    www.aol.com/not-head-doctors-allergy-season...

    24 Hour Allergy Relief Tablets. Some people prefer Zyrtec over Allegra, but the medications work similarly to block histamine and minimize symptoms, like sneezing, runny nose, itchy eyes and hives ...

  4. This Popular Cold Medicine Doesn't Work—Here's What To Buy ...

    www.aol.com/popular-cold-medicine-doesnt-heres...

    Antihistamines, for instance, actually reduce histamine released by your allergy or mast cells in your nose, while nasal steroids reduce inflammation head on, Dr. Parikh explains.

  5. H1 antagonist - Wikipedia

    en.wikipedia.org/wiki/H1_antagonist

    H 1 antagonists, also called H 1 blockers, are a class of medications that block the action of histamine at the H 1 receptor, helping to relieve allergic reactions.Agents where the main therapeutic effect is mediated by negative modulation of histamine receptors are termed antihistamines; other agents may have antihistaminergic action but are not true antihistamines.

  6. Antihistamine - Wikipedia

    en.wikipedia.org/wiki/Antihistamine

    Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. [1] Typically, people take antihistamines as an inexpensive, generic (not patented) drug that can be bought without a prescription and provides relief from nasal congestion, sneezing, or hives caused by pollen, dust mites, or animal allergy with few side effects. [1]

  7. Anti-allergic agent - Wikipedia

    en.wikipedia.org/wiki/Anti-allergic_agent

    Common allergic diseases include allergic rhinitis, allergic asthma and atopic dermatitis with varying symptoms, including runny nose, watery eyes, itchiness, coughing, and shortness of breath. More than one-third of the world's population is currently being affected by one or more allergic conditions.