Whether you live in the tropics or not, sore throats are universal. Sometimes, you might get afflicted due to something you had eaten, and other times, due to the general climate of the region. Nothing fatal though, unless it has been left undiagnosed for a really long time.
With the advancement in modern medicine, it is very easy to cure a sore throat with Vicks or Ibuprofen. But a sore throat is more of a nuisance than an actual threat. Then, why look for a pharmacy when you can fix it at home? Wouldn’t cost you much either, would it?