There are several ways to prevent getting sick after swimming:1. Avoid swimming in contaminated water: Always check for beach or pool closures due to high bacteria levels before swimming.2. Shower before and after swimming: Showering before swimming can help remove sweat and bacteria from your skin while showering after swimming can help remove chlorine and other chemicals from your skin.3. Avoid swallowing water: Teach your child not to swallow water while swimming.4. Stay hydrated: Drinking plenty of water can help flush out harmful microorganisms from your body.5. Wear protective gear: If you are swimming in a lake or ocean, wear protective gear such as a wetsuit or swim shirt to reduce your risk of exposure to harmful bacteria and algae.