As dandelion is a liver detoxifier it can either block or increase the uptake of certain medications. It is generally contraindicated with antibiotics (as it can block their function), or increase uptake with a range of psychiatric drugs including lithium, haldol, elavil, etc. and then it can decrease uptake of drugs such as valium, ativan, etc.
It may also function as a diuretic which could make you feel sore, particularly if you are already dehydrated.
Somewhat more likely, however, is that it can decrease blood sugars - so at a certain amount with no changes to your western medicines your blood sugar may have been plummeting far too low which could also lead to many of your symptoms.
While, yes, you should always discuss everything you are taking with your doctor, they are not that well versed generally speaking on herbs and certainly not on proper Chinese herbal formulas. To properly use Chinese Medicine, as we’ve discussed with you previously, you should be under the care of a licensed acupuncturist in your are who also practices Chinese herbal medicine.