Why Drinking Water May Make You Feel Sick

Drinking water is essential for maintaining good health, as it helps to keep the body hydrated and flushes out toxins. However, it is possible for some people to feel sick after drinking. This can be due to a number of reasons, including the following:


Drinking water on an empty stomach can cause nausea if you have eaten a large meal recently. This is because the water can dilute the digestive juices in your stomach, making it harder to digest food.


If you are already dehydrated, drinking water may make you feel sick because your body is not used to receiving a large amount of fluids at once. It is important to drink water gradually, rather than trying to chug a large amount all at once.

Water quality:

If the water you are drinking is contaminated or has a strange taste, it may make you feel sick. This can be due to bacteria or other contaminants in the water. Make sure to drink clean, purified water to avoid this issue.

Medical conditions:

Some medical conditions, such as Irritable Bowel Syndrome (IBS) or Gastroparesis (a condition in which the muscles in the stomach do not contract properly), can cause nausea after drinking water. If you frequently feel sick after drinking water and have other symptoms, it is important to speak with a healthcare professional to determine the cause.

Allergies or sensitivities:

If you have allergies or sensitivities to certain types of water, such as tap water or bottled water, you may feel sick after drinking it. If you suspect this is the case, try switching to a different type of water to see if your symptoms improve.

Mineral imbalances:

Water can contain different levels of minerals, such as sodium, potassium, and magnesium. If you have an imbalance of these minerals in your body, it can cause nausea after drinking water. This is more common in people with certain medical conditions, such as kidney disease or diabetes.

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Rapid temperature changes:

Drinking water that is too cold or too hot can cause nausea and other digestive issues. It is best to drink water at room temperature or slightly chilled to avoid this problem.


Some medications, such as diuretics, can cause dehydration and increase the need for water. If you are taking these types of medications, it is important to drink plenty of water to avoid feeling sick. However, be sure to speak with your healthcare professional about the proper amount of water to drink while taking these medications.

Carbonated water:

Some people may experience digestive issues after drinking carbonated water, also known as sparkling water or soda water. The carbonation in these types of water can cause bloating and discomfort in some people. If you suspect that carbonated water is causing your symptoms, try switching to flat water and see if your symptoms improve.

Water intoxication:

It is possible to drink too much water, a condition known as water intoxication or hyponatremia. This can cause the body’s sodium levels to become too diluted, leading to symptoms such as nausea, headache, and confusion. However, it is rare to drink enough water to cause water intoxication unless you are exercising intensely for a long period of time or taking certain medications.

Psychological factors:

In some cases, the feeling of nausea after drinking water may be due to psychological factors, such as anxiety or stress. If you are feeling anxious or stressed, it can affect your digestive system and cause symptoms such as nausea.

In conclusion, there are a few reasons why drinking water may make you feel sick. It is important to pay attention to the quality of the water you are drinking and to drink it gradually, especially if you are dehydrated or have eaten a large meal. If you continue to feel sick after drinking water and have other symptoms, it is important to speak with a healthcare professional.

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