What did doc holliday take when he had tuberculosis so he can fight in gunfights?

Doc Holliday, who suffered from tuberculosis, would often use a combination of medications, including opiates like morphine, to manage his pain and symptoms. He also relied on alcohol, particularly whiskey, which he used to numb his discomfort and bolster his confidence during gunfights. This combination helped him cope with his illness while maintaining his reputation as a skilled gambler and gunslinger in the Old West.