need to know the purpose of useing levolet 500mg ## Levolet contains the active ingredient Levothyroxine, which is used to treat disorders of the Thyroid gland. Side effects may include: nausea, dizziness, weight changes and hair loss. Learn more: Are there any other questions? ## I've got really bad tonsil problems ## third time since last december am having on and off cough .went to the doc 3 times and got antibiotics .work for a while and return.now am on levolet 500 .the cough is concentrated mostly during the night i got this itchines inside of my throat sometimes on the right and on the left and once i got that itch i have to cough .the doctor said am to have a chest xray done . i have an underactive thyroid for years and am on medication . please assist me i need to know more...