Hair loss is a common side effect when starting this medication (synthroid). Some people also gain weight on it (it's rare-but does happen). I have underactive, and no sex drive at all. Ask your ob to run tests on you for your sex glands. These are testosterone, estrogen and progesterone. Good luck.
sex drive thick hair thryroid stomache bloated sex glands gain weight progesterone estrogen hair loss testosterone good luck medication