Hair & scalp
Why is my hair falling out?
Some shedding is normal — adults lose a small amount daily. Sudden heavy shedding, patchy bald patches, or loss with scalp scaling, itching, pain or scarring all need assessment, because the causes range from treatable and temporary to needing specific treatment.
What this does and does not tell you
This is general information, not a diagnosis. Only a clinician can examine you, take your history and run tests. The same symptom has different causes in different people.
If something is sudden, severe, or getting worse quickly, get medical advice rather than reading on.