Synthroid, Levoxyl, Levothroid, Armour Thyroid, Cytomel, Thyrolar, Unithroid, Nature-Throid, Nature-Throid NT-1/2, Nature-Throid NT-3, Nature-Throid NT-2, Westhroid, Nature-Throid NT-1
There may be other brand names for this medicine.
You should not use this medicine if you have had an allergic reaction to any type of thyroid hormone or if you have an overactive thyroid gland.