 [ Symptoms ] head spasm followed by headache and blurring of vision [ Disease ] a type of yeast called candida causes thrush or oral candidiasis “all of us have candida normally in our bodies but it is kept in check by our immune system so that we do not know we have it you do not need to worry about that you just need to follow few simple steps to deel with it like rinse out your mouth and gargle with water after using an inhaler you can also reduce your risk of developing thrush by using a spacer with your inhaled steroids for more information you can visit pharmacysell