Synthroid should be used only by the patient for whom it is prescribed. Synthroid is long acting and comes in a wide variety of medications. You may not see any change in your symptoms until then. You can continue to take the medication during pregnancy. Synthroid is to be used only when clearly needed during pregnancy. If you need to be observant of possible side effects for this reason the correct dose of Synthroid is difficult to find. The thyroid supplements. Synthroid has profound effects on the body.
