http://www.medications.com/effect/view/29099 Would like to know if anyone with side effects to Synthroid, have at any time been diagnosed with Sarcoidosis(inflammation of the lungs). I only get symptoms(read other posts) when taking Synthroid, not other thyroid meds. Please reply a.s.a.p. Thu, 03 Apr 2008 23:24:58 -0400 http://www.medications.com/effect/view/29099?item=6613 I wouldn't be surprised if Synthroid is causing your problem. I've had breathing problems EVERY single day since Synthroid changed formula back in 1982-83, and I can't get it corrected despite trying a variety of different thyroid drugs and http://www.medications.com/effect/view/29099?item=6613