Make sure you have enough prescription medicines to last until you get back and they are packaged and stored correctly.
If you take any prescription medications, check your current supply. If that won’t last until you get back, be sure to order your refills. If the refill is too early for your insurance to pay for it, then the pharmacy may have to contact the insurance company to get the claim approved.
Here are good tips for traveling with medicines – http://www.cheapflights.com/news/traveling-with-medication/