Family and medical examiners are still searching for answers six months after an Australian man died in “absolute agony” of salmonella — and they believe he may have developed the infection after eating a gecko on a dare . David Dowell, 34, started complaining of stomach problems the day after a Christmas party on Saturday, Dec. 1, but thought it was just a hangover, the Sydney Morning Herald reported . “Then on Monday, it was coming out both ends and he was really sick and the moment he started throwing up and it was green, that’s when they rang the ambulance,” Hannah, his sister, told the newspaper. She claims that the paramedics thought he just had a stomach bug and did not want to take him to the hospital, but she insisted. One day later, he was diagnosed with salmonella , a common and curable infection from contaminated food or water, at Mater Hospital. It was initially suspected that Dowell had gotten salmonella from eating chicken, until one of his friends said he ate a ge...