How to Address Mouth Numbness from Mouthwash Use

Using mouthwash causes mouth numbness?

I previously used mouthwash every day for a period of time, which caused my mouth to feel tingling and painful whenever I drank water.
Recently, I've started to experience this tingling and pain even when I'm not drinking water.
What should I do to resolve this issue?

Shih Yi-Chun, 20~29 year old female. Ask Date: 2021/09/07

Dr. Zeng Guanghui reply Dentistry

Frequent use of alcohol-containing mouthwash can lead to a numb and painful sensation in the mouth over time.
It is advisable not to use alcohol-based mouthwash for an extended period.
- Dr.
Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.

Reply Date: 2021/09/07

More Info

Mouth numbness or discomfort after using mouthwash can be concerning and may indicate a few underlying issues. First, it’s important to understand that many commercial mouthwashes contain alcohol, strong antiseptics, or other active ingredients that can irritate the mucous membranes in the mouth. This irritation can lead to a sensation of numbness or pain, especially if used excessively or if you have a sensitivity to any of the ingredients.

Possible Causes of Mouth Numbness
1. Irritation from Ingredients: Ingredients such as alcohol, chlorhexidine, or essential oils can cause irritation. If you are using a mouthwash that contains these, it might be worth switching to an alcohol-free or gentler formulation.

2. Allergic Reaction: Some individuals may have an allergic reaction to certain components in mouthwash, leading to symptoms like numbness, burning, or pain.

3. Dry Mouth: Mouthwash can sometimes contribute to dry mouth, especially if it contains alcohol. A dry mouth can lead to discomfort and a feeling of numbness.

4. Oral Mucosal Conditions: Conditions such as oral lichen planus or other mucosal disorders can cause sensitivity and discomfort in the mouth. If you have a pre-existing condition, mouthwash could exacerbate the symptoms.

5. Overuse: Using mouthwash too frequently can disrupt the natural balance of bacteria in your mouth, potentially leading to an overgrowth of harmful bacteria or yeast, which can cause discomfort.

Recommendations for Relief
1. Stop Using Mouthwash: The first step is to discontinue the use of the mouthwash that you suspect is causing the issue. Monitor your symptoms to see if they improve after stopping.

2. Switch to a Gentle Alternative: If you feel the need to use a mouthwash, consider switching to a mild, alcohol-free mouthwash designed for sensitive mouths. Look for products that contain soothing ingredients like aloe vera or chamomile.

3. Stay Hydrated: Ensure you are drinking plenty of water throughout the day to keep your mouth moist. This can help alleviate some of the discomfort associated with dry mouth.

4. Use Saline Rinses: A simple saline rinse (a mixture of salt and warm water) can help soothe irritation and promote healing in the mouth.

5. Consult a Dentist: If the numbness persists or worsens, it’s essential to consult a dentist or healthcare provider. They can evaluate your oral health, check for any underlying conditions, and provide tailored advice.

6. Avoid Irritants: In addition to mouthwash, avoid other potential irritants such as spicy foods, acidic foods, and tobacco products, as these can exacerbate mouth discomfort.

Conclusion
Mouth numbness after using mouthwash is often a sign of irritation or sensitivity to the product's ingredients. By stopping the use of the offending mouthwash and switching to a gentler alternative, you can often alleviate the symptoms. However, if the numbness continues or if you experience additional symptoms, seeking professional dental advice is crucial to rule out any underlying conditions and to receive appropriate treatment. Maintaining good oral hygiene while being mindful of the products you use is key to ensuring your mouth remains healthy and comfortable.

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