The right amount. Bring enough medications to last your entire trip, plus an extra supply to cover unexpected travel delays.

Plan your packing. Don’t pack medications in suitcases that you plan to check: the luggage might be delayed or lost. If you carry syringes or certain drugs like narcotic pain relievers, it’s wise to carry a note from your doctor. In some countries, these medical needs may be confiscated at customs.

Climate control. Be aware that a change in climate may bring on unexpected drug side effects. While these side effects are usually temporary, you may notice dizziness caused by using diuretics in hot climates. Also, antihistamines, cold preparations, and tranquilizers can decrease your ability to perspire.

A traveling medical kit. Wherever you plan to travel, it’s a good idea to pack certain essential items. What goes into your medical kit will depend on where you’re going, for how long, and the general health condition and ages of those traveling.

Medicating across time zones. If you are crossing several time zones and are on a fixed dosage schedule (for example, for insulin injections), you may have to make dosing adjustments. Discuss these concerns with your doctor before you depart.

Source: Reader's Digest Guide to Drugs and Supplements

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