Is it bad for you to swim in really hot water?

Yes, it can be bad for you to swim in really hot water, as it can lead to several health risks.

1. Heat Exhaustion: Exposure to high temperatures for extended periods can cause heat exhaustion. Symptoms may include dizziness, nausea, rapid breathing, and an elevated heart rate.

2. Dehydration: Hot water causes increased sweating, leading to dehydration. If you don't drink enough water, this can lead to fatigue, headaches, and other health issues.

3. Increased Heart Rate: Hot water can place stress on your cardiovascular system, leading to increased heart rate and blood pressure. This can be especially dangerous for individuals with pre-existing heart conditions or high blood pressure.

4. Heat Stroke: In extreme cases, prolonged exposure to high temperatures can lead to heat stroke, which is a medical emergency. Symptoms may include confusion, loss of consciousness, seizures, and a body temperature over 104 degrees Fahrenheit (40 degrees Celsius).

It's important to maintain a comfortable water temperature when swimming, usually around 78-88 degrees Fahrenheit (26-31 degrees Celsius). If you experience any symptoms of heat exhaustion or heat stroke, seek medical attention immediately.