If you have nerve pain, you know that it can take many forms: burning, tingling, electric, and pins-and-needles. But if you have no idea what's causing the pain, you're not alone. Millions of people ...

Bruising may occur for no apparent reason on the legs. Unexplained leg bruising can be due to liver disease, nutritional deficiencies, autoimmune conditions, and other disorders. Bruising often occurs ...

Medically unexplained symptoms (MUS) are persistent physical symptoms not fully understood after a complete medical evaluation. They are common and can include pain, dizziness, fatigue, headaches, ...

If you’ve ever noticed a sudden drop in weight after an illness, you’ve experienced unintentional weight loss fluctuation. But if you can’t point to something that may have caused the change on the ...

Whether you deal with constant bloating or you tend to feel heavier during your period, seeing seemingly unexplainable weight gain on the scale can be frustrating. However, weight fluctuation is a ...

Unexplained weight loss occurs when people lose weight without any clear explanation, such as a change in diet. Possible causes include muscle atrophy, thyroid disease, digestive problems, and cancer.