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.
The Food and Nutrition Board of the Institute of Medicine recommends a minimum of 30 micrograms (mcg) of biotin per day for males and females ages 19 and older. As much as 5000 mcg of biotin per day is considered safe, although it is advisable to consult a health care professional before using doses above 2,500 mcg. Is biotin a vitamin? Yes. Biotin belongs to the family of B vitamins and is also known as vitamin B 7. What Foods Provide Biotin?