Sweet Taste in Water: Possible Health Concerns - Internal Medicine

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Hello Doctor, a few days ago I had a slight cold and I have a habit of drinking honey mixed with water in the morning and evening or with my meals.
However, tonight when I was about to drink plain water, I inexplicably felt that the water tasted a bit sweet.
I'm not sure if there was residual honey in my cup that caused this sweet sensation.
Sometimes after drinking honey water, it initially tastes sweet but then suddenly turns slightly sweet and a bit sour in my mouth.
I'm concerned whether there might be an issue with my taste perception or if it could indicate some underlying condition, as I read online that a sweet taste in the mouth can be a warning sign from the body.
After reading that, I became a bit worried, so I wanted to consult you.
However, when I swallow saliva, I don't experience that sweet sensation; instead, after drinking honey water, there's a peculiar slightly sour feeling when I swallow.
I apologize for bothering you, and thank you for your help.
🙏

HH, 20~29 year old female. Ask Date: 2021/09/30

Dr. Hong Yuanbin reply Internal Medicine


Hello, based on your description, it seems that the sweet taste in your mouth may be caused by honey residue.
The claim circulating online that a sweet taste in the mouth indicates a warning sign from the body is largely a myth and lacks scientific evidence.
Please do not worry, and thank you for your inquiry.

Reply Date: 2021/09/30

More Info


Experiencing a sweet taste in water, especially after consuming honey water, can be perplexing and may raise concerns about underlying health issues. However, it's essential to understand that taste perception can be influenced by various factors, including residual flavors, changes in your body’s chemistry, and even psychological aspects.

Firstly, if you recently consumed honey water, it is quite possible that residual honey or its components lingered in your cup, leading to a sweet sensation when you drank plain water afterward. Honey contains natural sugars, primarily fructose and glucose, which can leave a sweet aftertaste. If the cup was not thoroughly cleaned, even a small amount of honey could impart a sweet flavor to the water.
Moreover, the sensation of sweetness can also be affected by your body's current state. For instance, if you are experiencing a mild illness, such as a cold, your taste buds may be altered. Illness can lead to changes in taste perception due to inflammation or congestion affecting your nasal passages, which play a crucial role in flavor perception. Additionally, certain medications or supplements taken during illness can also influence taste.

The concern regarding a sweet taste in the mouth can sometimes be linked to health conditions, particularly those affecting blood sugar levels. For example, conditions like diabetes can lead to elevated blood sugar levels, which may cause a sweet taste in the mouth. However, since you mentioned that you do not experience this sweetness when swallowing saliva, it is less likely to be a sign of a serious condition.
The sensation of a slightly sour taste after consuming honey water could be attributed to the acidity of honey itself, which can sometimes leave a lingering acidic sensation in the mouth. This is especially true if you have consumed honey in larger quantities or if your stomach is slightly upset due to illness.

If you are still concerned about the sweet taste in your water or any other unusual sensations in your mouth, it would be wise to consult a healthcare professional. They can conduct a thorough evaluation, including blood tests if necessary, to rule out any metabolic or systemic issues.
In the meantime, here are some general tips to maintain oral and overall health:
1. Hydration: Continue to drink plenty of water, especially if you are feeling under the weather. Staying hydrated helps maintain saliva production, which is essential for taste perception and oral health.

2. Oral Hygiene: Ensure you are practicing good oral hygiene by brushing your teeth at least twice a day and flossing daily. This can help eliminate any residual flavors and prevent any potential dental issues.

3. Dietary Considerations: Be mindful of your diet, especially when consuming sweet or acidic foods and beverages. Moderation is key to preventing any adverse effects on your taste buds and overall health.

4. Monitor Symptoms: Keep track of any other symptoms you may experience, such as changes in appetite, weight loss, or fatigue, and report these to your healthcare provider.

In conclusion, while a sweet taste in water can be concerning, it is often related to benign factors such as residual flavors or temporary changes in taste perception due to illness. However, if the sensation persists or is accompanied by other concerning symptoms, seeking medical advice is always a prudent step.

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