The hyponatremia is caused by a relatively smaller loss in total body water. 1  any cause of hypovolemia such as prolonged vomiting, decreased oral intake, severe diarrhea. 2  diuretic use (due to the diuretic causing a volume depleted state and thence ADH release, and not a direct result of diuretic-induced urine sodium loss)
Biotin is safe but is not likely to do much to help your hair grow unless you are deficient in biotin, which is uncommon. A reasonable dose is 5 mg. However, you may get better results by taking a quality multivitamin, eating a healthy diet rich in organic fruits and vegetables, avoid junk food and getting adequate sleep.
It is not known whether her condition stemmed from biotin side effects, vitamin B5 side effects, a combination of the two, or something else. Prevention People can greatly reduce their chance of biotin side effects by taking supplements in the recommended dosage, which is generally around 30 mcg/day for adults and between 5 and 10 mcg for infants and children.