Can Drinking Water thin your blood?
Rachel Davis
Updated on July 15, 2026
Even water can naturally thin the blood. Dehydration causes the blood to thicken, which can lead to an increased risk of clots. So drinking plenty of water can be good for cardiovascular health. If you are taking blood thinner medications, you should check with your doctor before taking herbal supplements.
Can drinking too much water thin the blood?
Blood volume
Just like most liquids, water can dilute blood. Staying hydrated and drinking plenty of water helps to keep the viscosity of the blood low.
How quickly does water thin your blood?
In fact, even mild dehydration affects your blood vessels (making them less springy) about the same as smoking a cigarette. Skimping on water also leads to less blood in your body, which can lower your blood pressure and raise your heart rate. It takes just 15 to 20 minutes for enough water to even things out.
How can I thin my blood naturally?
Natural blood thinners are substances that reduce the blood's ability to form clots.
...
Some foods and other substances that may act as natural blood thinners and help reduce the risk of clots include the following list:
- Turmeric. ...
- Ginger. ...
- Cayenne peppers. ...
- Vitamin E. ...
- Garlic. ...
- Cassia cinnamon. ...
- Ginkgo biloba.
What drinks thin the blood?
Alcohol is known to increase levels of the "good" cholesterol, or HDL, and new research shows that it may act as a blood thinner. In the new study, drinking alcohol decreased the clumping together of clotting cells in the blood, a process that can lead to blood vessel blockages in the heart and possibly a heart attack.
24 related questions foundWhat is the strongest natural blood thinner?
Cayenne peppers
Cayenne peppers can have a powerful blood-thinning effect on your body because of their high levels of salicylates. They can be taken in capsule form or easily ground up as a spice for food. Cayenne peppers can also lower your blood pressure and increase circulation. Shop for cayenne peppers.
Is coffee a blood thinner?
Caffeine might slow blood clotting. Taking caffeine along with medications that also slow blood clotting might increase the risk of bruising and bleeding.
Is water a natural blood thinner?
Even water can naturally thin the blood. Dehydration causes the blood to thicken, which can lead to an increased risk of clots. So drinking plenty of water can be good for cardiovascular health.
What are the symptoms of thick blood?
Thick blood can lead to strokes or tissue and organ damage. Symptoms include lack of energy (fatigue) or weakness, headaches, dizziness, shortness of breath, visual disturbances, nose bleeds, bleeding gums, heavy menstrual periods, and bruising.
Why does blood become thick?
Thick blood is caused by heavy proteins, or by too much blood in the circulation. Too many red cells, white cells, and platelets will result in blood thickening. Another cause is an imbalance in the blood clotting system.
What happens if you drink water everyday?
According to WebMD, "Water makes up a large part of your joint cartilage that helps absorb shock and make bone-against-bone movements smoother." On top of that, water is known to "help keep gout (a painful joint condition) at bay" and help "flush toxins from your body that could inflame your joints, too." The benefits ...
How much water is too much in a day?
But how much water is too much? "Drinking more than the kidneys can eliminate could cause hyponatremia in some people," says Hultin, noting that the kidneys can eliminate 27 to 34 ounces of water per hour, or a total of 676 to 947 ounces (20 to 28 liters) per day. More than that might put you in the danger zone.
What are the symptoms of lack of water in the body?
Signs of dehydration include:
- Headache, delirium, confusion.
- Tiredness (fatigue).
- Dizziness, weakness, light-headedness.
- Dry mouth and/or a dry cough.
- High heart rate but low blood pressure.
- Loss of appetite but maybe craving sugar.
- Flushed (red) skin. Swollen feet. Muscle cramps.
- Heat intolerance, or chills.
Is water good for blood clots?
Hydrate. Dehydration is thought to increase the odds of developing a blood clot. Therefore, it's important to drink plenty of water each day, especially if you have other risk factors for blood clots.
What thickens blood quickly?
Vitamin K helps your blood to clot (thicken to stop bleeding). Warfarin works by making it harder for your body to use vitamin K to clot blood. Changes in the amount of vitamin K that you normally eat can affect how warfarin works.
Does Covid make your blood thick?
ATLANTA – After noticing unusual blood clotting in many patients diagnosed with COVID-19, doctors at Emory University believe there may be a connection to the thickness of their blood, known as hyperviscosity, with inflammation and clotting.
Does exercise thin your blood?
Exercise builds plasma. Just one vigorous workout expands plasma 10 percent by the next day. This thins blood in a healthy way. Exercise daily and the plasma pool stays high, giving you the fluid blood of an athlete.
How do you stop blood from thickening?
Preventing Blood Clots
- Wear loose-fitting clothes, socks, or stockings.
- Raise your legs 6 inches above your heart from time to time.
- Wear special stockings (called compression stockings) if your doctor prescribes them.
- Do exercises your doctor gives you.
- Change your position often, especially during a long trip.
What does water do in the blood?
More than 90% of your blood is water.
Water acts as a solvent that dissolves all materials (glucose, proteins, nutrients, and ions) in the blood plasma, the liquid component of the blood. All the solid components of the blood are useless if there is no liquid to carry them around.
Does aspirin make blood thinner?
A: Aspirin is a type of blood thinner called an antiplatelet. Antiplatelets reduce your blood cells' ability to clump together to form a clot.
Is chocolate a blood thinner?
Researchers from Johns Hopkins University have found that chocolate thins blood and protects the heart in the same way as aspirin. The key is a compound in chocolate called flavanol, which slows down platelet clumping that can block off blood vessels and lead to a heart attack or stroke.
Is tea a blood thinner?
It also contains its own superchemical, which seems to work as a blood thinner the same way aspirin does. This might explain black tea's involvement in reducing the risk of stroke, as was concluded in this study, published by the stroke division of the American Heart Association.
Is ibuprofen a blood thinner?
Is Advil a blood thinner? Advil is not a blood thinner. It is in a class of drugs called NSAIDS (nonsteroidal anti-inflammatory drugs). If you are taking a blood thinner, talk to your doctor before using Advil since it may impact how your blood clots in your body.
How do you know if your blood is too thin?
Other signs of thin blood include nosebleeds and abnormally heavy menstrual flow. Thin blood can also cause bruises to appear under the skin. A minor bump can cause the tiny blood vessels under the skin to bleed. This can result in purpura, which are small purple, red, or brown bruises.
What are the symptoms if your blood is too thin?
Low platelet counts can make it harder than usual for blood to clot, so anyone who experiences excessive or long-lasting bleeding, even from a minor cut, may have thin blood. Other signs include bleeding gums, nosebleeds, blood in the stools, and heavy menstrual flow without clots.