Long-term travel while taking prescription medication requires careful planning to ensure uninterrupted access to necessary medications. Prior to departure, consult with your healthcare provider to obtain an adequate supply of medication for the duration of your trip and obtain any necessary prescriptions or medical documentation. Research local regulations regarding the importation of prescription medications in the countries you'll be visiting and ensure you have the appropriate paperwork if needed. Additionally, consider packing medications in their original containers with clearly labeled dosages to facilitate customs clearance. It's also wise to carry a copy of your prescriptions and medical history in case of emergencies. Finally, be mindful of time zone changes and adjust medication schedules accordingly while traveling across different time zones.