GLP-1 medicines can have an impact on hydration levels. Some users may experience side effects like nausea or vomiting, which can lead to dehydration if not managed properly. Staying well-hydrated is essential, especially while adjusting to the medication. Drinking plenty of water can help alleviate some gastrointestinal side effects. Additionally, as you may be engaging in more physical activity due to weight loss, it's important to increase your fluid intake to replace any fluids lost through sweat. Always monitor how you're feeling and consult your healthcare provider if you notice significant changes in your hydration status.