Do i need to increase my synthroidWith this increase in my metabolism, will I need a higher dosage of Synthroid. . You may need to increase your dose during pregnancy or if you plan to breast-feed. . . . . . Postmenopausal women on long-term Synthroid therapy may suffer a loss of bone density, increasing the . . . Do not . . little success on Synthroid as far as symptoms go. . . . . Although DCs do not prescribe Synthroid, the controversy is relevant . . Here i am reading about weight gain. Do... more