What is Amlexanox: Uses, Dosage, Side Effects and More

Amlexanox is a prescription medication that comes as a paste you apply directly to mouth sores called aphthous ulcers or canker sores. It works by reducing inflammation and helping these painful sores heal faster than they would on their own.

This medication belongs to a class of drugs called anti-inflammatory agents. Think of it as a targeted treatment that you place right where the problem is, rather than taking a pill that affects your whole body.

What is Amlexanox Used For?

Amlexanox treats aphthous ulcers, which are small, painful sores that develop inside your mouth. These are commonly known as canker sores, and they can make eating, drinking, and even talking uncomfortable.

These sores typically appear on the soft tissues inside your mouth, like your inner cheeks, lips, tongue, or gums. They look like small, round or oval spots with a white or yellow center and a red border around the edges.

The medication helps reduce the pain and speeds up healing time. Most people find that their sores heal 2-3 days faster when using amlexanox compared to letting them heal naturally.

How Does Amlexanox Work?

Amlexanox blocks certain inflammatory chemicals in your body that contribute to the pain and swelling of canker sores. It's considered a moderately effective treatment that works locally where you apply it.

The medication doesn't cure canker sores instantly, but it helps your body's natural healing process work more efficiently. It reduces the inflammatory response that makes these sores so painful and persistent.

Since it's applied directly to the sore, the medication can work right at the source of the problem without affecting other parts of your body. This targeted approach makes it both effective and generally well-tolerated.

How Should I Take Amlexanox?

Apply amlexanox paste directly to the canker sore using a clean finger or cotton swab. You should use it four times a day, ideally after meals and at bedtime.

Before applying the medication, gently dry the sore area with a clean tissue or gauze. This helps the paste stick better and work more effectively. Squeeze out about 1/4 inch of paste and dab it onto the sore.

Try not to eat or drink for at least 30 minutes after applying the paste. This gives the medication time to stay in contact with the sore and do its work. You don't need to rinse it off - the paste will gradually dissolve on its own.

Wash your hands thoroughly before and after applying the medication. This prevents spreading bacteria and keeps the treatment area clean.

How Long Should I Take Amlexanox For?

Most people use amlexanox for 7-10 days or until the canker sore heals completely. You should start treatment as soon as you notice the sore developing for best results.

If your sore doesn't start improving within 3-4 days of regular use, contact your healthcare provider. Sometimes what looks like a simple canker sore might be something else that needs different treatment.

Don't continue using the medication longer than recommended without talking to your doctor. While amlexanox is generally safe, prolonged use isn't necessary and might not provide additional benefits.

What Are the Side Effects of Amlexanox?

Most people tolerate amlexanox well because it's applied locally and doesn't enter your bloodstream in large amounts. The most common side effects are mild and happen right where you apply the medication.

Here are the side effects you might experience, starting with the most common ones:

• Temporary burning or stinging when you first apply the paste
• Slight irritation or redness around the application site
• Temporary numbness or tingling in the treated area
• Mild taste changes or metallic taste in your mouth
• Increased saliva production

These effects usually fade within a few minutes of application and tend to become less noticeable as you continue treatment. Your mouth adjusts to the medication over time.

Rare but more serious side effects can include severe allergic reactions, though these are uncommon with topical use. If you experience significant swelling, difficulty swallowing, or widespread rash, stop using the medication and seek medical attention immediately.

Who Should Not Take Amlexanox?

You shouldn't use amlexanox if you're allergic to the medication or any of its ingredients. People with a history of severe allergic reactions to anti-inflammatory medications should be especially cautious.

If you're pregnant or breastfeeding, talk to your healthcare provider before using amlexanox. While there's limited information about its safety during pregnancy, your doctor can help weigh the benefits against any potential risks.

Children under 12 years old shouldn't use amlexanox unless specifically prescribed by a pediatrician. The safety and effectiveness in younger children haven't been well-established.

People with compromised immune systems or those taking immunosuppressive medications should consult their doctor before using any new treatments, including amlexanox.

Amlexanox Brand Names

Amlexanox is most commonly available under the brand name Aphthasol in the United States. This is the original brand name under which the medication was first approved.

Some countries may have different brand names or generic versions available. Always check with your pharmacist to make sure you're getting the correct medication, whether it's branded or generic.

Generic versions of amlexanox may also be available, which contain the same active ingredient but might have slightly different inactive ingredients or packaging.

Amlexanox Alternatives

Several other treatments can help with canker sores if amlexanox isn't right for you. Over-the-counter options include benzocaine gels, which provide numbing relief, though they don't speed healing like amlexanox does.

Prescription alternatives include triamcinolone acetonide paste, which is a topical steroid that reduces inflammation. Your doctor might also recommend oral medications like corticosteroids for severe or frequent canker sores.

Natural remedies that some people find helpful include rinsing with warm salt water, applying honey to the sore, or using aloe vera gel. While these aren't as clinically proven as amlexanox, they're generally safe to try alongside medical treatment.

For people with frequent canker sores, your doctor might recommend preventive treatments or investigate underlying causes like nutritional deficiencies or autoimmune conditions.

Is Amlexanox Better Than Other Canker Sore Treatments?

Amlexanox offers a unique advantage because it actually helps speed up healing rather than just providing temporary pain relief. Compared to numbing agents like benzocaine, amlexanox addresses the underlying inflammation causing the sore.

Studies show that amlexanox can reduce healing time by 1-3 days compared to no treatment. While this might not seem like much, it can make a significant difference when you're dealing with painful mouth sores that affect eating and speaking.

Compared to oral steroids, amlexanox has fewer systemic side effects since it's applied topically. However, oral medications might be more appropriate for people with multiple sores or very severe symptoms.

The best treatment often depends on your specific situation, including how often you get canker sores, their severity, and your overall health. Your healthcare provider can help determine which option is most suitable for you.