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Table of Contents

1. What is Clarinex?
2. How Does Clarinex Work?
3. Do I Need a Prescription for Clarinex?
4. What Are the Side Effects of Clarinex?
5. What Should I Not Take With Clarinex?

What is Clarinex?

Clarinex (desloratadine) is an antihistamine used to treat the symptoms of hay fever and other allergies. It works by blocking the action of histamine, a substance in the body that causes allergic symptoms. Clarinex is available in both over-the-counter (OTC) and prescription forms. It is also available in combination with pseudoephedrine, a decongestant, as Clarinex-D. Clarinex is used to treat the symptoms of seasonal allergies, such as sneezing, itching, and runny or stuffy nose. It can also be used to treat hives and skin itching caused by a condition known as chronic idiopathic urticaria.

Clarinex is available in tablet, liquid, and disintegrating tablet form. The disintegrating tablet form dissolves quickly in the mouth without the need for water. The liquid form is available in both a 5 mg/5 mL (1 teaspoonful) and a 5 mg/mL strength. The tablets are available in 5 mg and 10 mg strengths.

How Does Clarinex Work?

Clarinex works by blocking the action of histamine, a substance in the body that causes allergic symptoms. When histamine binds to receptors in the body, it triggers the release of other chemicals that cause symptoms such as sneezing, itching, and runny or stuffy nose. By blocking the action of histamine, Clarinex helps to reduce these symptoms.

Clarinex is a long-acting antihistamine, meaning it works for up to 24 hours. This makes it an ideal choice for people who need relief from their allergies throughout the day.

Do I Need a Prescription for Clarinex?

Clarinex is available in both over-the-counter (OTC) and prescription forms. The OTC form is available in 5 mg tablets and the prescription form is available in 5 mg and 10 mg tablets. The OTC form is usually recommended for people who have mild to moderate allergies. The prescription form is usually recommended for people who have severe allergies or who need a higher dose of the medication.

What Are the Side Effects of Clarinex?

The most common side effects of Clarinex include headache, drowsiness, dry mouth, and nausea. Other side effects may include dizziness, fatigue, and upset stomach. If you experience any of these side effects, contact your doctor immediately.

In rare cases, Clarinex can cause serious side effects such as an allergic reaction (difficulty breathing, hives, swelling of the face, lips, tongue, or throat), seizures, or liver damage. If you experience any of these side effects, contact your doctor immediately.

What Should I Not Take With Clarinex?

You should not take Clarinex with other antihistamines, such as Benadryl (diphenhydramine), Allegra (fexofenadine), or Zyrtec (cetirizine). You should also not take Clarinex with alcohol, sleeping pills, or other medications that can cause drowsiness. If you are taking any of these medications, talk to your doctor before taking Clarinex.

Indications for Clarinex

Clarinex (desloratadine) is a medication used to treat allergies in adults and children 12 years of age and older. It is a long-acting antihistamine that helps to reduce the symptoms of allergies, such as sneezing, runny nose, and itchy eyes. Clarinex is also used to treat chronic idiopathic urticaria, a condition that causes hives and itching. Clarinex is available in both tablet and oral solution form.

Dosage and Administration Recommendations

The recommended dose of Clarinex for adults and children 12 years of age and older is 5 mg once daily. The dose may be increased to 10 mg once daily depending on the severity of the condition being treated. Clarinex should be taken with water and can be taken with or without food. It is important to take Clarinex exactly as prescribed by your doctor.

Common Drug Interactions

Clarinex can interact with certain medications, including antifungals, antibiotics, and antidepressants. It is important to tell your doctor about all medications you are currently taking before starting Clarinex. Some of the most common drug interactions include: erythromycin, ketoconazole, fluoxetine, and sertraline.

Warnings for Clarinex

Clarinex can cause drowsiness and should not be taken with alcohol or other drugs that can cause drowsiness. Clarinex may also cause dizziness and should be used with caution when driving or operating machinery. Clarinex should not be used in patients who are allergic to desloratadine or any of the other ingredients in the medication.

Clinical Pharmacology

Clarinex is a long-acting antihistamine that works by blocking the action of histamine, a substance in the body that causes allergic reactions. Clarinex is rapidly absorbed and has a long half-life, allowing it to remain in the body for a long period of time. Clarinex is metabolized in the liver and is excreted in the urine.

Medication Guide

Clarinex should be taken exactly as prescribed by your doctor. It is important to take Clarinex with water and can be taken with or without food. Clarinex can cause drowsiness and should not be taken with alcohol or other drugs that can cause drowsiness. It is important to tell your doctor about all medications you are currently taking before starting Clarinex.

Clarinex is a long-acting antihistamine that can be used to treat allergies and chronic idiopathic urticaria. It is important to take Clarinex exactly as prescribed by your doctor and to tell your doctor about all medications you are currently taking before starting Clarinex. Clarinex can cause drowsiness and should not be taken with alcohol or other drugs that can cause drowsiness.

Conclusion

Clarinex (desloratadine) is a medication used to treat allergies in adults and children 12 years of age and older. It is a long-acting antihistamine that helps to reduce the symptoms of allergies, such as sneezing, runny nose, and itchy eyes. Clarinex is also used to treat chronic idiopathic urticaria, a condition that causes hives and itching. The recommended dose of Clarinex for adults and children 12 years of age and older is 5 mg once daily. Clarinex can interact with certain medications and can cause drowsiness, so it is important to tell your doctor about all medications you are currently taking before starting Clarinex.