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  • Published on 17 Sep, 2025

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    5 min Read

Lemon water has become the morning ritual for many health-conscious people. It is refreshing, easy to make, and believed to deliver various health benefits as well. But have you ever wondered what happens if we drink lemon water daily? While this citrus-packed drink may seem harmless, it is not as healthy as it sounds.

The disadvantages of drinking lemon water daily are often overlooked. In fact, many are unaware of how it can affect their teeth, stomach, or even their sleep patterns. If you have been sipping on lemon water religiously every morning, it is high time to understand the flip side as well.

What is Lemon Water?

Lemon water is a simple drink made by mixing fresh lemon juice with water, often enjoyed warm or cold. It is refreshing, low in calories, and packed with vitamin C, antioxidants, and trace nutrients from lemons. Many people prefer starting their day with lemon water as it may help support digestion, improve hydration, and provide a natural energy boost. It is also believed to aid in detoxification, freshen breath, and serve as a healthier alternative to sugary beverages. While generally safe, excessive intake can sometimes cause tooth enamel erosion due to its acidity, so moderation is key.

Lemon Water Side Effects

There are various disadvantages of drinking lemon water daily. Let's explore the lesser-known side effects of lemon water and how to enjoy its benefits in moderation:

Tooth Enamel Erosion

Enamel erosion occurs when chemical processes wash away the upper layer of your teeth. There are two types of enamel erosion.

  • Intrinsic erosion — it is caused mainly by gastric acid and the acid regurgitation due to medical, psychological issues, for example, acid reflux, anorexia, bulimia, etc.
  • Extrinsic erosion – it occurs when the dietary acids, for example, sugar consumption, diet sodas, fruit drinks, carbonated drinks, etc., challenge the mouth to be in a very acidic state.

Recognising Tooth Enamel Erosion

When the hard and protective coating of your teeth, called enamel, starts to diminish, you might notice a few things happening.

  • Your teeth might look discoloured. This happens because the white enamel has worn away.
  • You might feel sensitivity
  • The edges of your teeth will become transparent
  • Your teeth might continue to wear down more quickly

If you notice any of these changes, consult your dentist as soon as possible.

What Changes Can Be Made to Improve Your Teeth?

Once you have visited and consulted a doctor, you must be eager to know what the following steps are to reduce dental erosion in the mouth:

  • Consult a nutritionist to assist in dietary assessment and reducing acid intake.
  • Determine if you suffer from gastric reflux, regurgitation, or eating disorders.
  • Identify which teeth will require replacement with cosmetic restorations and bonding agents.
  • Identify the frequency of acid intake.

Acid reflux and heartburn

Acidic foods, such as citrus fruits, often exacerbate acid reflux symptoms. Yet some people find that diluted lemon water may actually provide relief to them.

There is mixed evidence regarding the effect of lemon on acid reflux. Experts believe that consuming lemons and other citrus fruits can exacerbate the severity of symptoms.

Does lemon cause acidity in the stomach?

For some people, especially those with acid reflux or GERD, lemons can make symptoms worse. This is because lemons are acidic in nature and may increase the amount of liquid and food in your stomach after a meal. A fuller stomach can put more pressure on your digestive system as well, which can also lead to upside-down.

Is drinking lemon water good for acid reflux?

Lemon water may help alleviate mild cases of reflux in some individuals, but for many, it can worsen symptoms. If you have chronic acid reflux or GERD, it is best to consult a doctor before making it part of your routine.

However, if you notice that drinking lemon water worsens your symptoms, you can obtain helpful nutrients from other sources, such as fruits and vegetables.

How can we use lemon water for acid reflux?

Although lemon juice is very acidic, some people believe that small amounts mixed with water may help relieve acid reflux symptoms.

If you decide to try this home remedy, mix one tablespoon of fresh lemon juice with 8 ounces of water. Then drink it about 20 minutes before a meal to help prevent symptoms that might be triggered by food.

For optimal enjoyment, consider sipping this mixture through a straw. This can prevent the acid in the juice from coming into contact with your teeth and eroding tooth enamel. Due to its acidity, it is recommended to avoid drinking lemon juice straight from the bottle. Be sure to dilute it before drinking.

May Trigger Frequent Urination

Lemon contains a high amount of vitamin C (ascorbic acid), which acts as a natural diuretic. That means your trips to the bathroom may increase, especially if you're drinking lemon water at night. Lemons have natural diuretic properties, which means they can help increase urine production. While this may help detoxify the body, excessive urination can lead to dehydration if enough water is not consumed alongside it.

Aggravates Mouth Ulcers or Sores

If you've ever had a mouth ulcer or sore, drinking lemon water can feel like rubbing salt on a wound, literally. The acid in lemon irritates the soft tissues inside the mouth, slowing down the healing process.

This is one of the lesser-discussed side effects of lemon, but it is common among people who consume it regularly.

Symptoms can include:

  • Burning sensation
  • Difficulty eating spicy or hot foods
  • Delay in ulcer healing

If this happens frequently, it’s a sign to reduce your lemon water intake.

>> Also Read: What is Stomatitis? Its Types, Causes and Treatment!

Skin Sensitivity to Sunlight

Surprisingly, frequent consumption of lemons—especially when paired with exposure to sunlight—can lead to a condition called phytophotodermatitis. This happens when the citrus compounds make your skin more sensitive to UV rays. Restaurants often put lemon wedges in lemon-based drinks. However, various studies have proven that lemons contain microorganisms that may cause severe diseases. To reduce the risks, it is advisable to squeeze the lemon into your drink instead of adding lemon skins to it.

This can result in:

Skin redness, Itchy patches, Inflammation, or rashes

The disadvantages of drinking lemon water daily may not seem like a skincare issue, but in this case, it can have a direct impact on your skin health.

Tips to Minimise Lemon Water Side Effects

While lemon water isn’t a health villain, moderation and method of consumption make a big difference. To enjoy the benefits without the side effects of lemon, follow these precautions:

  • Always dilute lemon juice with lukewarm water.
  • Avoid brushing teeth right after drinking.
  • Limit consumption to once a day.
  • Drink with a straw to protect enamel.
  • Avoid it if you have ulcers or severe acidity.

Final words!!!

While lemon water offers a refreshing start to the day and comes with certain benefits, it's essential to be aware of its potential downsides. The disadvantages of drinking lemon water daily can range from tooth enamel erosion and increased acidity to skin sensitivity and disrupted sleep. These issues may not affect everyone the same way, but they can become problematic when lemon water is consumed in excess or without caution.

It’s always best to listen to your body and consult a doctor if you notice any recurring symptoms after incorporating lemon water into your routine. Want to stay healthy without side effects? Discover health insurance that covers dietary consultations today!

Disclaimer: Plan features, benefits, coverage, and underwriting claims are subject to policy terms and conditions. Please refer to the brochure, sales prospectus, and policy documents carefully.

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  • Your Queries Related

  • Q. What happens if we drink lemon water daily?

    Daily consumption can cause tooth erosion, increased acidity, and skin sensitivity, especially if taken in large quantities or on an empty stomach.

    Q. Can we drink lemon juice at night?

    It's not recommended. Lemon juice acts as a diuretic and may cause frequent urination, which can disrupt sleep.

    Q. Does lemon cause acidity?

    Yes, lemon can trigger acid reflux and heartburn, especially in people with sensitive stomachs.

    Q. Are there any disadvantages of drinking lemon water on an empty stomach?

    Yes, drinking lemon water on an empty stomach can worsen acid reflux and irritate the stomach lining.

    Q. What are the disadvantages of lemon for dental health?

    Its acidity can erode enamel, making teeth sensitive and prone to decay.

    Q. Can lemon water help in weight loss?

    While it may slightly aid metabolism, relying solely on lemon water for weight loss is not supported by scientific evidence.

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