It is possible to drink lemon water during fever. When you have a fever, the consumption of water is relatively high, because the temperature rises and the water in your body evaporates more, so you can drink lemon water at this time to replenish the water consumed in your body. The vitamin content of lemon water is particularly high, especially vitamin C. Vitamin C is a reducing agent that can help the body defend itself against foreign viruses and bacteria, and has an antioxidant effect that can strengthen the body’s resistance, which can promote the healing of fever at this time. Therefore, it is possible to drink lemon water during fever. However, lemon water should not be drunk too much, lemon water is relatively acidic, drink too much will cause excessive secretion of stomach acid, but will cause gastrointestinal tract discomfort. People with gastrointestinal disorders are not recommended to drink lemon water, especially if they have esophageal damage, gastric mucous membrane damage, gastric ulcer, excessive gastric acid, or gastritis, because lemon water will cause excessive secretion of gastric acid.