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  2. How to Choose the Best Cold Medicine, According to Medical ...

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    A U.S. Food and Drug Administration advisory panel recently said that over-the-counter oral phenylephrine is ... such as Allegra-D (which also contains an antihistamine) or Sudafed 12/24, is an ...

  3. Fexofenadine - Wikipedia

    en.wikipedia.org/wiki/Fexofenadine

    Fexofenadine, sold under the brand name Allegra among others, [10] is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever and urticaria. [ 11 ] Therapeutically, fexofenadine is a selective peripheral H 1 blocker .

  4. Fexofenadine/pseudoephedrine - Wikipedia

    en.wikipedia.org/wiki/Fexofenadine/pseudoephedrine

    Fexofenadine/pseudoephedrine, sold under the brand name Allegra-D among others, is a fixed-dose combination medication used for the treatment of nasal congestion and ...

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

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    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 ...

  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. H1 antagonist - Wikipedia

    en.wikipedia.org/wiki/H1_antagonist

    The most common adverse effect is sedation; this "side-effect" is utilized in many OTC sleeping-aid preparations. Other common adverse effects in first-generation H 1 -antihistamines include dizziness, tinnitus , blurred vision, euphoria , incoordination, anxiety , increased appetite leading to weight gain , insomnia , tremor, nausea and ...