Can Chewing Capsules Cause Salivary Gland Blockage? - Otolaryngology

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Salivary gland issues


Hello, doctor.
I would like to ask a question.
I have difficulty swallowing capsule medications, such as dietary supplements, so I usually bite them open before swallowing.
I would like to know if biting them open could cause blockage in the submandibular glands or salivary glands.
I am concerned about this because I previously experienced salivary gland blockage.
Thank you for your response, doctor.

Karen, 40~49 year old female. Ask Date: 2018/02/01

Dr. Zheng Jueyi reply Otolaryngology


Hello: Generally, it should not be a problem, but it is still recommended to take it with plenty of water.
Wishing you safety and health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2018/02/01

More Info


Chewing capsules, especially those containing oils or other liquid formulations, can raise concerns regarding salivary gland blockage, particularly for individuals with a history of salivary gland issues. When you chew a capsule, the contents are released into your mouth, and while this is generally safe, there are a few factors to consider.

First, salivary glands, including the submandibular glands (located under the jaw), can become blocked due to various reasons, including dehydration, certain medications, or the presence of stones (calcifications) within the glands. Chewing capsules may not directly cause blockage, but if the contents are thick or viscous, they could potentially contribute to a feeling of discomfort or swelling in the glands if they are not adequately diluted by saliva.

In your case, since you have previously experienced salivary gland blockage, it is wise to be cautious. Here are some considerations:
1. Hydration: Ensure you are well-hydrated. Adequate saliva production can help prevent blockages. Drinking water before and after taking any capsules can help dilute the contents and promote saliva flow.

2. Capsule Contents: Be mindful of what is inside the capsules. Some supplements or medications may contain oils or other substances that could thicken saliva or create a sensation of blockage. If you are unsure about a specific product, consult with a healthcare professional or pharmacist.

3. Salivary Gland Health: If you have a history of salivary gland issues, it may be beneficial to avoid chewing capsules altogether. Instead, consider discussing with your healthcare provider about alternative forms of medication or supplements, such as liquids or powders that can be mixed with water.

4. Symptoms of Blockage: Be aware of the signs of salivary gland blockage, which can include swelling in the jaw or neck, pain, dry mouth, or difficulty swallowing. If you experience any of these symptoms after chewing capsules, it is advisable to seek medical attention.

5. Consultation with a Specialist: If you have ongoing concerns about your salivary glands, consider consulting an ear, nose, and throat (ENT) specialist or a dentist who specializes in oral health. They can provide tailored advice and may recommend imaging studies to assess the health of your salivary glands.

In summary, while chewing capsules is not typically associated with salivary gland blockage, your previous experiences warrant caution. Staying hydrated, being mindful of the contents of the capsules, and monitoring for any symptoms of blockage are prudent steps to take. If you have any doubts or experience discomfort, do not hesitate to reach out to a healthcare professional for personalized advice.

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