It depends: A significantly low thyroid level can cause hair loss, including eyebrow loss, and will improve with thyroid hormone replacement. However, an associated autoimmune disorder called alopecia areata can cause loss of hair in various areas that is much harder to treat and may not return.
Answered 4/24/2015
2.9k views
6 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
3 doctors weighed in across 3 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question