Table 2
Author, date and countryPatient groupStudy typeOutcomesKey resultsStudy weaknesses
Weed HG, 1993, USA72 consecutive children and adults with non-envenomated snake wounds calling a poisons centre.ObservationalPresence of wound infectionNo wound infection identified14% applied topical antibiotics 
 No definition of wound infection 
 No control group
None of the patients received antibiotics
Blaylock RS, 1999, South Africa363 patients presenting with snake bites—both venomous (88%) and non-venomous (12%)
 Antibiotics given if necrosis present (15.2%)ObservationalPresence of wound infectionNo infections in patients not given antibioticsNot randomised
 Antibiotics given on clinical grounds (presence of necrosis)
 Very little raw result data provided