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The long-acting, over-the-counter medication lasts up to 24 hours per dose, according to the Food and Drug Administration (FDA). It reaches peak concentration in your body an hour after you take ...
In some countries, it is only available over-the-counter in packages containing seven or ten 10 mg doses. [47] [48] Cetirizine is available as a combination medication with pseudoephedrine, a decongestant. [49] The combination is often marketed using the same brand name as the cetirizine with a "-D" suffix (for example, Zyrtec-D). [50] [51]
An anti-asthmatic agent, also known as an anti-asthma drug, refers to a drug that can aid in airway smooth muscle dilation to allow normal breathing during an asthma attack or reduce inflammation on the airway to decrease airway resistance for asthmatic patients, or both. The goal of asthmatic agents is to reduce asthma exacerbation frequencies ...
Over-the-Counter Asthma Medications There are an increasing number of products you’ll find at your local drugstore claiming to solve your asthma symptoms, especially a boom in over-the-counter ...
Levocetirizine is an antihistamine. It acts as an inverse agonist that decreases activity at histamine H1 receptors. This in turn prevents the release of other allergy chemicals and increases the blood supply to the area, providing relief from the typical symptoms of hay fever.
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]