 [ Symptoms ] i have constant back pain every day but mri and emg came back fine so what could be wrong with me  i also get pains and weakness in my legs [ Disease ] hi may be you wife has thrush i would send her off for tests if not she could try the sea salt way just a couple of handfuls of sea salt in a warm bath or a sitz bath but less sea salt for a week but she needs to let the water get inside her vagina and do it twice a day do hope this helps good luck