Alopecia (Hair Loss)

Alopecia (Hair Loss) symptom guide: what it can mean, possible causes, and when to seek care. Educational only.

Overview

Alopecia (Hair Loss) can be a symptom of many different conditions. This card offers general educational orientation only; a clinician can help assess causes and next steps. Seek care if symptoms are severe, sudden, or persistent.

Possible causes

Allergy or itch
Skin infection
Hormone changes
Medicines
Immune-related causes

When to see a doctor

Seek urgent care if symptoms are severe, rapidly worsening, or come with trouble breathing, severe chest pain, confusion, or heavy bleeding. Otherwise, talk with a clinician if they last several days or interfere with daily activities.