*This statement summarizes the third USPSTF recommendations for screening for chlamydial infection and the supporting scientific evidence, and it updates the 1995 recommendations contained in the Guide to Clinical Preventive Services, second edition (1).
What are the possible side effects of levothyroxine (Levothroid, Levoxyl, Synthroid, Tirosint, Unithroid)? Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have a serious side effect such as: headache;
Chris Smith, MD answered this Does Synthroid Cause Weight Gain? Hi. I recently had an increase in my Levothyroxine to 75mcg and after 3 weeks my tummy bloated so badly that I looked as if I was pregnant. I stopped the medication for 2 days and went back onto it after my doctor and friends told me off.