What are the potential side effects of drinking too much spring water?
Spring water is ordinary water from an underground source, so drinking far too much has the same risk as any water: low blood sodium (hyponatremia), with headache, nausea and confusion. We found no official source saying spring water is riskier than other water. Drink to thirst and see a doctor if symptoms appear.
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In this article
What happens if you drink too much spring water?
The risk is hyponatremia, a drop in blood sodium. MedlinePlus lists the symptoms as confusion, irritability, headache, fatigue, loss of appetite, nausea or vomiting, and muscle weakness, spasms or cramps. In severe cases it can cause convulsions, coma or death, and a sharply dropping sodium level is a life-threatening emergency. It is more dangerous when it develops within 48 hours than when sodium falls slowly.
Is spring water different from other water?
Under FDA rules, spring water is derived from an underground formation from which water flows naturally to the surface, and it may be collected only at the spring or through a borehole tapping the formation that feeds the spring. That describes the source, not the amount that is safe to drink. Nothing in the rule makes spring water more or less risky than other water.
Does water protect against dehydration and kidney stones?
The CDC says drinking water can help prevent dehydration, which may lead to unclear thinking, mood changes, overheating, constipation and kidney stones. We found no official source saying that spring water in normal amounts causes harm.
How much should you drink?
The NHS Eatwell Guide recommends about 6 to 8 cups or glasses of fluid a day, more in hot weather, during long periods of activity, when pregnant or breastfeeding, or when unwell. Aim for clear pale yellow urine, and drink to thirst rather than forcing extra.
Who should be careful?
- People who exercise for hours: ask a health professional about replacing salt as well as water, for example with a sports drink.
- People on medicines that affect fluid balance, or with heart, liver or kidney disease: ask a doctor how much to drink.
- Anyone with confusion, severe headache or seizures after heavy drinking: get emergency help.
This is general information, not medical advice.
People also ask
Can you drink too much spring water?
Yes. Very large amounts in a short time can lower blood sodium (hyponatremia). It can be serious.
What are the signs of drinking too much water?
Headache, nausea or vomiting, fatigue, confusion, muscle cramps. Convulsions or loss of consciousness need emergency care.
How many glasses of water a day are enough?
The NHS says about 6 to 8 glasses of fluid a day, more in heat or when active. Clear pale yellow urine is a good sign.
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