Clarinex (Desloratadine)

Clarinex (Desloratadine)

Clarinex

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Active ingredient: Desloratadine

Dosage: 5mg

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What is Clarinex (Desloratadine)?

Clarinex, known by its generic name Desloratadine, is a medication that helps with allergies. It’s used to treat symptoms such as sneezing, runny nose, itchy or watery eyes, and itching of the nose or throat. These symptoms are often caused by things like pollen, dust, or animal dander.

Clarinex is what’s called an “antihistamine.” This means it works by blocking histamine, a substance in your body that is released during an allergic reaction and causes allergy symptoms.

You can take this preparation as a pill or syrup, and it’s meant for use in adults and children. One of the benefits this drug brings is that it usually does not make you sleepy, which can be a common side effect of other antihistamines.

Frequently Asked Questions

Is desloratadine a Clarinex?

Desloratadine is the same thing as Clarinex. It is just the brand name that is used to market desloratadine. Desloratadine is a medication used to treat allergies, and it helps relieve symptoms like sneezing, itchy or watery eyes, and runny nose. When you buy or are prescribed Clarinex, you are getting the medicine desloratadine.

What is Desloratadine used to treat?

Desloratadine is a medication used mainly to treat allergy symptoms. These symptoms can be caused by seasonal allergies from things like pollen, grass, or trees, or by other allergens like dust, animal dander, or mold. Here’s what desloratadine can help with:

  • Sneezing: It reduces the frequent sneezes that come with allergies.
  • Runny or Stuffy Nose: It helps clear up your nose so you can breathe easier.
  • Itchy, Watery Eyes: It calms down itchy eyes and reduces tearing.
  • Itching of the Nose or Throat: It eases the uncomfortable itch you might feel in your nose or throat.

Desloratadine can also be used to help manage skin hives and itching in people with chronic (long-lasting) skin reactions. It works by blocking histamine, which your body produces during an allergic reaction. By blocking histamine, desloratadine helps relieve your allergy symptoms, making you feel better.

How should I take Clarinex?

When taking Clarinex (desloratadine), here’s how you should generally approach it, keeping in mind your specific questions:

  1. Dosage:
    • Normally, you should take Clarinex once a day. The typical dose is 5 mg. This is sufficient because this drug is designed to work over 24 hours.
  2. Can I take desloratadine 5 mg twice a day?
    • No, you should not take desloratadine 5 mg twice a day. Taking it more than once a day can increase the risk of side effects. It’s important to follow the dosing instructions provided by your doctor or on the medication label.
  3. How many Clarinex can you take in a day?
    • You should only take one tablet of Clarinex per day, unless your doctor has given you different instructions.
  4. Is it better to take desloratadine at night or in the morning?
    • You can take this medication either in the morning or at night, depending on when your symptoms are most bothersome. Since desloratadine does not typically cause drowsiness, it can be taken at any time of day without much concern for sedation affecting your daily activities.

Is Desloratadine a strong antihistamine?

Desloratadine is considered a strong and effective antihistamine. It’s designed to treat allergy symptoms such as sneezing, runny nose, itchy eyes, and skin rashes. One of the key strengths of desloratadine is that it works well without making you feel drowsy, which is a common side effect of many other antihistamines. This makes it a good choice for people who need to stay alert and active while managing their allergy symptoms.

Desloratadine targets the histamine in your body, which is a chemical that causes many of the symptoms of an allergic reaction. By blocking histamine, desloratadine helps reduce these symptoms effectively. It’s also long-acting, which means you only need to take it once a day to keep your symptoms under control. This makes it not only strong but also convenient for daily use.

What are the side effects of Clarinex tablets?

Taking Clarinex tablets can cause some side effects, although not everyone gets them. Here are some of the common and less common side effects you might experience:

Common Side Effects:

  • Fatigue: You might feel unusually tired.
  • Dry Mouth: Your mouth may feel dry.
  • Headache: Some people experience headaches.
  • Sore Throat: You might have a sore or scratchy throat.

Less Common Side Effects:

  • Nausea: Feeling like you might vomit.
  • Muscle Pain: Some muscle aches or pains can occur.
  • Dizziness: You might feel dizzy, especially when you stand up quickly.

Most of these side effects are usually mild and go away on their own as your body adjusts to the medication. However, if you experience any severe reactions, such as difficulty breathing, swelling of the face, lips, tongue, or throat, or a severe rash, you should seek medical attention immediately as these could be signs of a more serious allergic reaction.

What not to take with Desloratadine (Generic Clarinex)?

When taking Desloratadine (the generic form of Clarinex), there are certain things you should avoid to ensure it works effectively and to prevent unwanted side effects:

  1. Other Allergy Medications: Avoid taking other antihistamines along with desloratadine unless your doctor specifically says it’s okay. Using multiple allergy medications can increase the risk of side effects.
  2. Alcohol: It’s a good idea to limit or avoid alcohol while taking desloratadine. Alcohol can increase the drowsiness effect, which is rare with desloratadine but still possible.
  3. Certain Prescription Medications: Some prescription drugs can interact with desloratadine, affecting how well it works or increasing side effects. These include:
    • Ketoconazole (a medication used to treat fungal infections)
    • Erythromycin (an antibiotic)
    • Fluoxetine (a medication used to treat depression)
    • Cimetidine (used for treating heartburn and stomach ulcers)
  4. Fruit Juices: Drinking certain fruit juices like grapefruit, orange, and apple juice around the time you take desloratadine might reduce the absorption of the medication into your bloodstream, making it less effective.

Should Clarinex be taken with food?

Clarinex (Desloratadine) can be taken either with or without food, so it’s really up to your personal preference. Some people find that taking medication with food helps to reduce stomach upset or discomfort, while others might find it more convenient to take it on an empty stomach, especially if food affects how well they feel the medication works for them.

The important thing is to take this medication at the same time each day to maintain an even level of the medication in your body. This consistency helps keep your allergy symptoms under control throughout the day. If you have any questions about the best way to take your medication, it’s a good idea to talk with your doctor or pharmacist. They can provide advice based on your specific health needs and any other medications you might be taking.

Does Clarinex make you sleepy?

Clarinex is generally known not to make you sleepy. This is one of its advantages over some other antihistamines, which can cause drowsiness as a side effect. Because this medication is less likely to make you feel sleepy, it’s a good choice if you need to stay alert during the day, whether for work, school, or other activities.

However, people can react differently to medications, so even though it’s uncommon, a small number of people might still experience some drowsiness. If you find that taking this medicine makes you feel sleepy, it’s a good idea to discuss this with your doctor. They might adjust your dosage or suggest taking it at a different time of day.

Where to get more info about Clarinex?

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Disclaimer

This document does not include all information about this medication and should not replace the medication guide, a consultation with a pharmacist, or advice from your healthcare provider. For the complete medication guide or additional questions, please contact your pharmacist.

By Sarah N. Mendelsohn, MD
Medically Reviewed by Dr. Peter Thura
Last Updated: June 27, 2024

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