Concerns About Inadvertently Swallowing Mouthwash: What You Need to Know - Dentistry

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Mouthwash Issues


Hello, Doctor.
I previously received two bottles of mouthwash from my dentist, and I usually rinse my mouth with water about four times after using it.
However, today I forgot and immediately drank water afterward, which had a bitter taste.
I noticed on the bottle that it says it is not for consumption.
I used about a capful of the mouthwash, and I also drank milk afterward.
I'm concerned about whether this could cause harm or poisoning.
My throat feels a bit sour and bitter from the mouthwash, but I’m not sure if that’s just due to anxiety.
I would like to ask, if I accidentally swallowed 10-20 milliliters, what might happen? Although I did spit it out and it wasn't like I consumed it directly, I'm worried about any potential residue left in my mouth.
Thank you for your response, and I apologize for disturbing you at night.

Q, 20~29 year old female. Ask Date: 2020/05/11

Dr. Huang Tingfang reply Dentistry


Dear Ms.
Q: Hello! Generally, taking small sips and then drinking a glass of milk is not a problem! However, if a large amount is accidentally ingested, it is important to seek medical attention promptly! In fact, maintaining good oral hygiene while brushing your teeth is crucial! Take care! Wishing you peace and success! Sincerely, Dr.
Huang Ting-Fang, Dentistry.

Reply Date: 2020/05/11

More Info


It's understandable to be concerned about inadvertently swallowing mouthwash, especially if it contains ingredients that are not meant for ingestion. Let's break down the situation and provide some clarity on what to do next.

Firstly, most commercial mouthwashes contain antiseptic agents, such as chlorhexidine, cetylpyridinium chloride, or alcohol, which can be harmful if ingested in significant amounts. The specific effects depend on the active ingredients in the mouthwash you used. For example, swallowing a small amount (like a capful, which is approximately 10-20 milliliters) is generally not considered dangerous for most people, but it can lead to some unpleasant side effects.

Common symptoms of swallowing mouthwash may include:
1. Gastrointestinal Distress: You might experience nausea, vomiting, or diarrhea. This is due to the irritative nature of the ingredients in mouthwash.


2. Oral Irritation: The bitter taste and the sensation of burning or irritation in the throat can occur, which might explain the "sour and bitter" feeling you mentioned.

3. Alcohol Effects: If the mouthwash contains alcohol, swallowing it can lead to symptoms similar to mild intoxication, including dizziness or a feeling of lightheadedness.

4. Allergic Reactions: In rare cases, individuals may have an allergic reaction to certain ingredients, which could manifest as swelling, rash, or difficulty breathing.

Given that you mentioned you rinsed your mouth several times before drinking water, it’s likely that you minimized the amount of mouthwash that could have been ingested. However, if you are feeling persistent discomfort or if symptoms worsen, it’s advisable to seek medical attention.


Recommendations:
1. Stay Hydrated: Drink plenty of water to help dilute any mouthwash that may still be in your system. This can also help alleviate any irritation in your throat.

2. Monitor Symptoms: Keep an eye on how you feel over the next few hours. If you experience severe symptoms such as difficulty breathing, persistent vomiting, or any signs of an allergic reaction, seek emergency medical help immediately.

3. Avoid Further Irritation: Try to avoid consuming acidic or spicy foods and beverages until your throat feels normal again, as these can exacerbate irritation.

4. Consult a Healthcare Professional: If you have ongoing concerns or if your symptoms do not improve, it’s best to consult with a healthcare provider for personalized advice.

In the future, to prevent such incidents, always ensure that you thoroughly rinse your mouth after using mouthwash and avoid drinking immediately afterward. If you have any doubts about the safety of a product, refer to the label or consult with a healthcare professional.

In summary, while swallowing a small amount of mouthwash is generally not life-threatening, it can cause discomfort and irritation. Monitoring your symptoms and staying hydrated are key steps to take. If in doubt, don’t hesitate to reach out to a healthcare professional for guidance.

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