Differential Diagnosis for 19-year-old with Alopecia
- Single most likely diagnosis
- Androgenetic Alopecia: This is the most common cause of hair loss in young adults, especially if there's a family history. It's characterized by a gradual thinning of hair, particularly on the scalp.
- Other Likely diagnoses
- Alopecia Areata: An autoimmune condition that leads to patchy hair loss. It can occur at any age and is often associated with other autoimmune diseases.
- Telogen Effluvium: A condition that causes excessive hair shedding after a major body stress, such as severe illness, psychological stress, or major surgery.
- Traction Alopecia: Hair loss due to constant pulling on the hair, commonly seen in individuals who wear tight hairstyles like braids, ponytails, or buns.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Thyroid Disorders: Both hypothyroidism and hyperthyroidism can cause hair loss. Early detection and treatment are crucial to prevent long-term complications.
- Lupus: A chronic autoimmune disease that can cause hair loss, among other symptoms. It requires prompt diagnosis and treatment to manage the condition effectively.
- Syphilis: A sexually transmitted infection that can cause hair loss in its secondary stage. It's essential to diagnose and treat syphilis to prevent further complications and transmission.
- Rare diagnoses
- Trichotillomania: A psychological disorder characterized by an irresistible urge to pull out one's own hair, leading to noticeable hair loss.
- Lichen Planopilaris: A rare inflammatory condition that causes hair loss, often accompanied by itching, redness, and scalp tenderness.
- Discoid Lupus Erythematosus: A chronic skin condition that can cause hair loss, scarring, and inflammation on the scalp.