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Active Ingredients In Allegra: Understanding How It Works

Active Ingredients In Allegra: Understanding How It Works
Allegra® Allergy 24 Hr Tablets KnowYourOTCS
Allegra® Allergy 24 Hr Tablets KnowYourOTCS from www.knowyourotcs.org

The Basics of Allegra

Allegra is a popular medication used to treat seasonal allergies and chronic hives. It is an antihistamine that works by blocking the effects of histamine, a chemical released by the body during an allergic reaction. This medication is available in different forms, including tablets, capsules, and liquid.

The Active Ingredients of Allegra

The active ingredients in Allegra are fexofenadine hydrochloride and pseudoephedrine hydrochloride. Fexofenadine is an antihistamine that helps reduce the symptoms of allergies, such as sneezing, itching, and runny nose. Pseudoephedrine is a decongestant that helps relieve nasal congestion.

How Fexofenadine Works

Fexofenadine blocks the effects of histamine by binding to H1 receptors in the body. This prevents histamine from binding to these receptors, which in turn reduces the symptoms of allergies. Fexofenadine is considered a second-generation antihistamine because it does not cause drowsiness like first-generation antihistamines.

How Pseudoephedrine Works

Pseudoephedrine works by constricting blood vessels in the nasal passages. This reduces swelling and congestion, making it easier to breathe. Pseudoephedrine is a sympathomimetic drug, which means it mimics the effects of the sympathetic nervous system. This system is responsible for the “fight or flight” response in the body.

The Benefits of Allegra

Allegra is a popular medication because it provides fast and effective relief from allergy symptoms. It is also non-drowsy, which means it can be taken during the day without affecting daily activities. Additionally, Allegra is available without a prescription and is generally considered safe for most people.

Who Should Not Take Allegra

Although Allegra is generally safe, there are some people who should not take this medication. These include people who are allergic to fexofenadine or pseudoephedrine, people with severe kidney disease, and people taking certain medications, such as monoamine oxidase inhibitors (MAOIs).

Possible Side Effects of Allegra

Like all medications, Allegra may cause side effects in some people. The most common side effects include headache, nausea, and dizziness. In rare cases, Allegra may cause serious side effects, such as allergic reactions and seizures. If you experience any unusual symptoms while taking Allegra, contact your healthcare provider immediately.

Tips for Taking Allegra

To get the most benefit from Allegra, it is important to take it as directed by your healthcare provider. This may include taking it at the same time each day, avoiding certain foods and beverages, and avoiding certain activities while taking the medication. Additionally, be sure to inform your healthcare provider of any other medications you are taking, as they may interact with Allegra.

Conclusion

Allegra is a popular medication used to treat seasonal allergies and chronic hives. It contains two active ingredients, fexofenadine hydrochloride and pseudoephedrine hydrochloride, which work together to provide fast and effective relief from allergy symptoms. Although Allegra is generally safe, it may cause side effects in some people. If you experience any unusual symptoms while taking Allegra, contact your healthcare provider immediately.

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