I was in the same position... I tried to avoid anything liver toxic, but I did end up taking some over the counter syrup to help suppress the cough and clear the throat. I also took garlic tabs 3 times a day, vitamin c and echinacea. Not as good as straight up antibiotics, but not as stressful of the liver. If the same thing happened this cycle, I would just talk to my doc and see what he would suggest rather than self medicating.