Some appliances have built in convertors. Be sure that the convertor is rated the same or more than your appliance in watts. For example, if your hair dryer is rated 1000 watts, your convertor should be rated 1000 or more watts. Appliances will burn up within seconds if they are run on the wrong voltage. Medicine Take your own preferred non-prescription drugs.
Colds are common in group tours and cough medicines are hard to find.
European remedies are very different from American medicines. Keep your prescription medications with you and not in your checked bag. For obvious reasons, you can't know which cities have this equipment. It is 100 times the strength of the units that you pass through on the concourses. Film exposed to these X-rays will be damaged.