Stay as close to your meal plan as possible. Consider carrying a wallet-size meal plan as a reminder. See Diabetes Forecast, January 1997, pp. Strive for balance among your food, exercise, and medications or insulin to maintain stable blood glucose control. Never go barefoot, even in hotel rooms, pools, or at the beach.
Dehydration can be dangerous.
Know what receipts and signatures you'll need in so you can be reimbursed for emergency medical care. In many countries, a pharmacist can tell you where to find an English-speaking doctor. In an overseas emergency, call the American embassy. Using your credit card, rather than paying cash, can save you the money-exchange fee and probably also give you a more favorable exchange rate than an exchange window or bank. It's likely to cost you even less to obtain cash if you use your bank ATM card rather than borrowing it through your credit card.