Eltroxin Side Effects: I have been on Eltroxin 50ug for 2 years - now increased to 100ug http://www.medications.com/effect/view/32520 I have been on Eltroxin 50ug for 2 years - now increased to 100ug and I have noticed severe hair loss. Is this a result of increased dosage? Have your pills changed from yellow ones to white ones ? If so, Sun, 10 Aug 2008 16:32:30 -0400 http://www.medications.com/effect/view/32520?item=10961 Have your pills changed from yellow ones to white ones ? If so, then you are on a new formulation which is causing huge problems for many people. There is information on this site: http://thyroid.about.com/b/2008/06/11/whats-happening-to-thyroid-patients- http://www.medications.com/effect/view/32520?item=10961