My hair is thinning and dropping. need help!

Derm referral: Dermatology referral may be beneficial if this is sudden and dramatic.

Hair loss: Hair loss is tricky, especially in women. 1st, make sure no physically or emotionally stressful event occurred in last several months as this can cause hair loss. 2nd, look at your mom & sis for female pattern baldness. 3rd, go see your family doc for evaluation looking for autoimmune disorder & abnormal thyroid. Can also check for dihydrotestosterone & testosterone. Check out http://goo.Gl/gnalh5.