The active ingredient in Claritin is loratadine, an antihistamine that reduces sneezing, itching and runny nose that result from allergies, according to Drugs.com. There are 10 milligrams of loratadine in each Claritin t... More »

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Nasal saline irrigation is possibly the most affordable method of treating allergic rhinitis. Allergy shots also save money in the long run, though they may be more expensive at the beginning, reports About.com. More »

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According to Drugs.com, the FDA assigns a pregnancy class C to two of the three active ingredients in DayQuil, placing it on the list of drugs not recommended during pregnancy. The third ingredient, acetaminophen, has no... More »

Claritin treats symptoms associated with seasonal allergies, such as sneezing, a runny nose and watery eyes, according to Drugs.com. Claritin can also treat hives, inflammation of the nose due to allergies and allergic c... More »

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ZzzQuil works, according to Drugs.com; its active ingredient is diphenhydramine, which is an antihistamine used to treat cold and allergy symptoms such as sneezing, itching, watery eyes and runny nose. It is also helpful... More »

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The difference between Claritin and Claritin-D is that the latter is a combination medication containing a decongestant and antihistamine, while Claritin is only an antihistamine. Claritin is an OTC medication that conta... More »

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Claritin contains the drug loratadine, while Claritin-D adds the decongestant pseudoephedrine, according to Drugs.com. Loratadine is an antihistamine that blocks the effects of histamine, such as sneezing, watery eyes an... More »

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