MONDO_0007937 (renal hypomagnesemia 2) can be described as follows. Autosomal dominant primary hypomagnesemia with hypocalciuria (ADPHH) is a mild form of familial primary hypomagnesemia (FPH), characterized by extreme weakness, tetany and convulsions. Secondary disturbances in calcium excretion are observed. Also known as: FXYD2 familial primary hypomagnesemia, FXYD2 primary hypomagnesemia, HOMG2, familial primary hypomagnesemia caused by mutation in FXYD2, isolated autosomal dominant hypomagnesemia, isolated renal magnesium wasting, primary hypomagnesemia caused by mutation in FXYD2, renal hypomagnesemia type 2.