When a medication loses its patent, other companies are free to market the medication in a generic form. In addition, the Food and Drug Administration has approved many allergy medicines for over-the-counter (OTC) use.
If you suffer from allergies, talk to your healthcare provider about the right medications for treating your symptoms.
Antihistamines
An allergy is an immune response to substances that are not usually harmful. In people with allergies, an overly sensitive immune response releases a chemical known as histamine that causes allergy symptoms. Antihistamines relieve these symptoms.
Antihistamines are available both OTC and by prescription. Most health insurance companies cover some or all of the cost of prescription medicines, but do not pay for OTC drugs.
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