Contact the Division of Endocrinology 617-355-7476 Fax 617-730-0194 Monday - Friday 7:00 AM - 8:00 PM Saturday 9:30 AM - 6:00 PM Request an Appointment Request a Second Opinion What is hypoglycemia and low blood sugar? Hypoglycemia is the state of having …

Contact the Division of Endocrinology 617-355-7476 Fax 617-730-0194 International +1-617-355-5209 Monday - Friday 7:00 AM - 8:00 PM Saturday - Saturday 9:30 AM - 6:00 PM Request an Appointment Request a Second Opinion What is hypopituitarism? …

Contact the Department of Urology 844-793-0051 Fax 617-730-0474 Request an Appointment Request a Second Opinion What is hypospadias? In hypospadias, the opening of a boy’s urethra (through which both urine and semen pass) is located on the underside of …

Contact the Thyroid Center 617-355-8226 Fax 617-730-6217 Email thyroid@childrens.harvard.edu Request an Appointment Request a Second Opinion What is hypothyroidism? In hypothyroidism, the thyroid gland is underactive and doesn’t produce a normal amount of …

Contact the Vascular Anomalies Center 617-355-5226 Fax 617-730-0752 International +1-617-355-5209 Email vascular@childrens.harvard.edu Request an Appointment Request a Second Opinion What is hereditary hemorrhagic telangiectasia? Hereditary hemorrhagic …

Contact the Boston Bleeding Disorders Center 617-355-6101 International +1-617-355-5209 Request an Appointment Request a Second Opinion What is hemophilia? Hemophilia is a bleeding disorder that slows the body’s ability to form blood clots. When most …

Request an Appointment Request a Second Opinion What is Haemophilus influenzae? Haemophilus influenzae, or H. influenzae, is a group of bacteria that cause different types of infections in infants and children. H. influenzae most commonly causes ear, eye, …

Contact the Spine Division 855-969-3444 International +1-617-355-5209 Request an Appointment Request a Second Opinion Find a Location What is idiopathic scoliosis? Idiopathic scoliosis is one of three different types of scoliosis that cause the spine to …

Contact the Division of Gynecology 617-355-7648 Fax 617-730-0186 Monday - Friday 7:00 AM - 8:00 PM Saturday 9:30 AM - 6:00 PM Request an Appointment Request a Second Opinion What is imperforate hymen? A half moon of thin membrane normally surrounds the …

Contact the Dermatology Program 617-355-6117 Fax 617-730-0308 Monday - Friday 7:00 AM - 8:00 PM Request a Second Opinion What is impetigo? Impetigo is a superficial infection of the skin caused by bacteria, resulting in lesions that are often grouped and …