woman drinking potassium iodide tablet and levothyroxine sodium, for the treatment of the thyroid gland, close-up, copy space

adenoma adult background cancer caucasian copy craw disease drink endemic endocrine endocrinology female gland glass goiter hormone hormones hurt hypophysis hypothyroidism inflammation iodide iodine levothyroxine medic medical medicine metabolism node oncology pain painful patient people person pill pituitary potassium sick sodium space suffer symptom system tablet throat thyroid thyrotoxicosis toxic water woman