I am a total spaz about meds when leaving the country. I take everything "just in case". I am even going to take some phenergan (anti-emetic, or anti nausea) that is prescribed to apply to your wrists if sea sick. This stuff is awesome. You just rub it in like perfume, and works within 5 minutes. ( And way cheaper than the $400 for the ship Dr. to give you and injection.) The only problem is that you have to find a pharmaceutical compoundist to make it up. I would just hate to say "I wish I would have brought ____" . Better safe than sorry!