Tap water is safe to drink, but since it is sometimes drawn straight from Dominica's many rivers, it has a tendency to turn brown after heavy rainfall. It's better to drink the bottled water available almost anywhere.
Basic healthcare is available at Princess Margaret Hospital in Roseau.
North Americans moving to Dominica often experience boils for the first time and fingernail and toenail fungi. Stomach problems are rare among travellers.
Towns are sprayed with insecticides periodically to control the mosquitoes responsible for spreading Dengue fever. However, the spraying may not be done at the scheduled time and pesticides may drift into your home if the windows are open.
Area code is 767, on the North American exchange.
Digicel (http://www.digicelgroup.c...) is a local cellular company which provides prepaid plans for those visiting for short periods. Cable & Wireless and Orange also provide cell service.