These medications can block each one of these reactions and are easy to administer.

There are advantages to taking an oral antihistamine for allergic symptoms such as sneezing, runny nose, and eye itching. These antihistamines act for a much longer period of time, varying from 24 hours to 3 days with just one pill and tend to be much less sedating than the older antihistamines, with few drug interactions or side-effects.Īdvantages of Oral Over-the-Counter Antihistamines Pharmaceutical companies have taken advantage of this drawback by adding diphenhydramine to pain medications, like Tylenol PM or Advil PM, in their nighttime formulas.Ī much better choice of oral antihistamines is the newer products: Claritin (loratadine), Allegra (fexofenadine) and Zyrtec (cetirizine). The other well-known adverse reaction is that it crosses into the brain and makes users tired. It has been around the longest and is the most widely used, but it shouldn’t be:īenadryl may be beneficial for an acute allergic reaction to a food, but as a chronic medication, it has too many drawbacks.īenadryl is a short-acting antihistamine, so it’s protection is limited to a few hours. Oral Over-the-Counter Antihistamines Benadrylīenadryl (which has the generic name diphenhydramine) is a common oral over-the-counter antihistamine. The complete guide to the best over-the-counter allergy medication for allergy relief explains everything that an allergy sufferer needs to know when choosing an OTC allergy medicine for their allergy symptoms or allergy relief.

Over-the-counter allergy medications can be tricky if you don’t know all of the benefits or risks of using them. This is obviously a good thing if you are an allergy sufferer, as you do not have to see your doctor get a prescription for simple treatment. The majority of allergy medications are now available without a prescription.

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Best over the counter allergy medicine