Why should you drink lots of water when sick?
Isabella Harris
Updated on January 20, 2026
Being sick also can lead to insensible fluid loss, such as sweating from fever or blowing your nose, Rosner says, while vomiting or diarrhea can exacerbate fluid loss. So, drinking more fluids helps replenish these losses.
Why does drinking a lot of water help when you are sick?
Staying hydrated lets your body circulate blood more freely, allowing flu-and-cold-fighting white blood cells better fight off viruses.Should you drink extra water when sick?
Drinking plenty of fluids is one of the most important things you can do when you have a cold or flu. Because cold and flu symptoms like runny noses and sweating, which often accompanies fever, increase the amount of water your body loses, dehydration might occur if your fluid intake is not increased to compensate.Does drinking lots of water help with a cold?
The best tips for getting over your cold are to drink plenty of fluids and get plenty of rest. Water, juice, clear broth, and warm water with lemon and honey can really help loosen congestion. Tea is fine, but the decaffeinated kinds are best.Can you flush a cold out with water?
Drinking lots of clean water when you're sick with a cold or flu can help loosen the mucus in your nasal cavity and relieve congestion. Water oxygenates your blood and flushes out harmful impurities and toxins from the body and ensures that it can function properly and defend itself against cold and flu viruses.Why hydrate when sick?
Is peeing a lot good when sick?
No matter what, make sure you're getting plenty of fluids because hydration is the key to bouncing back from an illness. You can easily get dehydrated from sweating and producing lots of mucus, and you need to make plenty of urine to clear the waste from your immune system. Here, Dr.What are the 5 stages of cold?
The stages of a cold include the incubation period, appearance of symptoms, remission, and recovery.
...
Symptoms of a cold appear and usually peak within one to three days and may include:
- Sore throat.
- Runny nose.
- Stuffy nose.
- Coughing.
- Sneezing.
- Headaches.
- Body aches.
- Post-nasal drip.
How do you flush out a cold?
These remedies might help you feel better:
- Stay hydrated. Water, juice, clear broth or warm lemon water with honey helps loosen congestion and prevents dehydration. ...
- Rest. Your body needs rest to heal.
- Soothe a sore throat. ...
- Combat stuffiness. ...
- Relieve pain. ...
- Sip warm liquids. ...
- Try honey. ...
- Add moisture to the air.