What You Need to Know About Claritin Side Effects: A Comprehensive Guide


Claritin, also known as loratadine, is a popular over-the-counter antihistamine medication used to treat allergies. While it is generally considered safe and effective for most people, like any medication, there are potential side effects to be aware of. In this comprehensive guide, we will explore everything you need to know about Claritin side effects, from common to rare, and what to do if you experience them.

**Common Claritin Side Effects**

One of the most common side effects of Claritin is drowsiness. Some people may experience drowsiness or dizziness after taking Claritin, especially when first starting the medication. It is important to avoid driving or operating heavy machinery until you know how Claritin will affect you.

Other common side effects include headache, dry mouth, and fatigue. These side effects are usually mild and may go away as your body gets used to the medication. If they persist or worsen, consult your healthcare provider.

**Less Common Claritin Side Effects**

Less common side effects of Claritin include nausea, stomach pain, and trouble sleeping. In some cases, people may experience a rash or itching. If you develop a severe rash, hives, or swelling, seek medical attention immediately as this may be a sign of a severe allergic reaction.

**Rare Claritin Side Effects**

While rare, some people may experience serious side effects from taking Claritin. These can include irregular heartbeat, palpitations, and trouble urinating. If you experience any of these symptoms, stop taking Claritin and seek medical help right away.

It is important to note that this is not a complete list of side effects and others may occur. If you have concerns about any side effects while taking Claritin, talk to your healthcare provider.

**Managing Claritin Side Effects**

If you experience bothersome side effects from taking Claritin, there are several steps you can take to manage them. For drowsiness, try taking the medication before bedtime. For dry mouth, suck on sugar-free candy or chew gum. If you are experiencing nausea, taking Claritin with food may help alleviate this symptom. However, if side effects persist or worsen, seek medical advice.


In conclusion, while Claritin is generally considered safe and effective for most people, it is important to be aware of the potential side effects. Common side effects include drowsiness, dry mouth, and headache, while less common side effects can include nausea and trouble sleeping. Rare, but serious side effects may include irregular heartbeat and difficulty urinating. If you have any concerns about Claritin side effects, consult your healthcare provider.

**Frequently Asked Questions**

1. Is it safe to take Claritin every day?

Yes, Claritin is considered safe for everyday use, but it is important to follow the recommended dosage and guidelines provided by your healthcare provider.

2. Can Claritin cause allergic reactions?

While rare, some people may experience allergic reactions to Claritin. If you develop a severe rash, hives, or swelling, seek medical attention immediately.

3. Can Claritin interact with other medications?

It is possible for Claritin to interact with other medications, so it is important to inform your healthcare provider about all the medications you are taking before starting Claritin.

4. Can Claritin be used in children?

Claritin is approved for children as young as two years old. However, it is important to follow the dosing instructions for children provided by your healthcare provider.

5. Can Claritin cause long-term side effects?

There is no evidence to suggest that Claritin causes long-term side effects when used as directed. However, if you have concerns, discuss them with your healthcare provider.

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