When, if ever, is it appropriate to switch from generic levothyroxine to brand name Synthroid?  

There is almost never a need to switch from the generic Levothyroxine to a brand name if the patient is doing well and the TSH level is at target. However, if the patient is not doing well (complaining of symptoms, like feeling tired) and the TSH level is not at target, one needs to make sure that t...