Talk to Dermatologist on Female Hair Loss - Senior Citizen

My mother age 68 has hair fall since many years. She has calcium and vitamin D diffidence, high blood pressure, hypothyroidism, and joint and back pain. She was taking Osteocare 2 tab daily and Biodal 50000 one tab weekly. Her ANA test is high before one doctor gave her plaquenil 200 once daily and glucosamine plus once daily. She took these two medicie 5 or 6 years, there was less hair fall and also improve in pain. Later she got diarreah for 4 months due to gallballder stone, at that time, doctor stop her all medicine because he was confused for the diagnoses. Now gallballer is removed and she is good now. But her hair are falling so much, that she fear to have no hair after some time. She is using baby shampoo and not put any oil in her hairs. She is using hair color Koleston Wella once monthly.