Although adolescents are susceptible to the same kinds of illness that afflict younger children, generally they are a healthy group. Adolescents should continue to receive vaccinations according to the recommended schedule ( see Table: Childhood Vaccination Schedules Childhood Vaccination Schedules Vaccination has been extremely effective in preventing serious disease and in improving health worldwide. Because of vaccines, infections that were once very common and/or fatal (eg, smallpox... read more ).
Acne Acne Vulgaris Acne vulgaris is the formation of comedones, papules, pustules, nodules, and/or cysts as a result of obstruction and inflammation of pilosebaceous units (hair follicles and their accompanying... read more 
is extremely common and needs to be addressed because of its impact on self-esteem.
Trauma Approach to the Trauma Patient Injury is the number one cause of death for people aged 1 to 44. In the US, there were 278,345 trauma deaths in 2020, about 70% of which were accidental. Of intentional injury deaths, more than... read more is very common among adolescents, with sports and motor vehicle injuries most frequent. Motor vehicle crashes, other unintentional injuries, homicide, and suicide Suicidal Behavior in Children and Adolescents Suicidal behavior includes completed suicide, attempted suicide (with at least some intent to die), and suicide gestures; suicidal ideation is thoughts and plans about suicide. Psychiatric referral... read more are the 4 leading causes of mortality in the adolescent age group.
Disorders that are common among all adolescents include
Disorders that are common among adolescent girls include
Pregnancy Contraception and Adolescent Pregnancy Many adolescents engage in sexual activity but may not be fully informed about contraception, pregnancy, and sexually transmitted infections, including hepatitis C and HIV infection. Impulsivity... read more must be kept in mind when treating adolescent girls.
Although not common, neoplastic diseases such as leukemia Overview of Leukemia Leukemia is a malignant condition involving the excess production of immature or abnormal leukocytes, which eventually suppresses the production of normal blood cells and results in symptoms... read more , lymphoma Overview of Lymphoma Lymphomas are a heterogeneous group of tumors arising in the reticuloendothelial and lymphatic systems. The major types are Hodgkin lymphoma Non-Hodgkin lymphoma See table Comparison of Hodgkin... read more , bone cancers Primary Malignant Bone Tumors Primary malignant bone tumors are much less common than metastatic bone tumors, particularly in adults. Primary malignant bone tumors include multiple myeloma, osteosarcoma, adamantinoma, chondrosarcoma... read more 
, and brain tumors Overview of Central Nervous System Tumors in Children Central nervous system tumors are the most common solid cancer in children < 15 years old and are the leading cause of childhood death due to cancer. Diagnosis is typically by imaging (usually... read more also occur.
