There is a reciprocal health agreement with the UK. Medical treatment provided by state scheme doctors at state scheme hospitals and health centres (ambulatorios) is free to UK citizens if in possession of form E111. Health insurance is required for private medical care. Prescribed medicines and dental treatment must be paid for by all visitors.
Other risks
Rabies is present. For those at high risk, vaccination before arrival should be considered. If you are bitten, seek medical advice without delay.
Yellow Fever