It should be taken orally once daily and at least an hour before sexual activity. It should not be taken with a high-fat meal as this can delay the time it takes to start working.

To change your JetBlue flight, visit the JetBlue website or use their mobile app. Log in to your account and access your booking. Look for the "Manage Trips" or "Manage Booking" option, then select the flight you want to change. Follow the on-screen instructions to modify your flight details, such as the date, time, or destination, and pay any fare difference or fees that may apply. You can also contact JetBlue's customer service for assistance with flight changes. Keep in mind that change policies and fees may vary depending on your fare type and the specific circumstances of your booking, so review the terms before making changes.