When to seek care for hair loss

Overview

Hair loss means losing more hair than usual. It is normal to lose 50–100 hairs a day, but if you notice sudden or heavy shedding, bald patches, or thinning over time, it may be a sign to talk to a doctor.

Yes, hair loss is very common. About half of men and many women experience it at some point in their lives.

Hair loss can affect people of all ages, genders, and backgrounds. It is more common as people get older, but it also happens in younger adults, teenagers, and even children.

Symptoms

Common symptoms

• Gradual thinning on the top of your head (especially in men)
• Bald patches that appear suddenly
• Losing handfuls of hair when washing or combing
• Noticeably more hair than usual on your pillow or in the shower drain

Symptoms in children

• Patchy bald spots with broken hairs
• Hair loss from pulling or twisting hair
• Thinning over the whole scalp

Symptoms in older adults

• General thinning all over the scalp
• Receding hairline or bald crown (men)
• Widening part line (women)

Causes

Main causes

• Genetics – family history of pattern baldness
• Hormonal changes – pregnancy, menopause, thyroid problems
• Medical conditions – alopecia areata (the immune system attacks hair), scalp infections, polycystic ovary syndrome
• Stress – physical or emotional stress can trigger temporary hair shedding
• Medications – some drugs used for cancer, arthritis, depression, or high blood pressure
• Nutrition – not enough iron, protein, or vitamins

Risk factors

• Family history of hair loss
• Older age
• Major weight loss or poor diet
• Certain illnesses like thyroid disease or anaemia
• High levels of stress

When to see a doctor

See a doctor urgently if:

• Hair loss that appears suddenly in patches
• Hair loss with scalp pain, itching, or burning
• Hair loss after you start a new medicine

Book a routine appointment if:

• Gradual thinning or receding that bothers you
• More hair than normal in your brush or shower drain over several weeks
• You notice your hair is falling out in handfuls

Diagnosis

Your doctor will ask you questions about your health, your family history, and when the hair loss started. They will examine your scalp and may gently pull on a few hairs to see how many come out.

Tests that may be done

• Blood tests to check for thyroid problems, low iron, vitamin deficiencies, or hormone imbalances
• A scalp biopsy (removing a tiny piece of skin to look at under a microscope)
• A hair pull test to see how easily hair falls out

What to expect at your appointment

The exam is usually quick and painless. You may need to go back for test results in a few days. The doctor will explain what might be causing the hair loss and talk about next steps.

Treatment

Hair loss treatment depends on what is causing it. Some types of hair loss get better on their own. Others need treatment to slow or stop the loss and help hair grow back.

Self-care at home

• Be gentle when washing and brushing your hair
• Avoid tight hairstyles (like ponytails or braids) that pull on the roots
• Limit heat styling and chemical treatments
• Manage stress with relaxation techniques like deep breathing or gentle exercise

Medical treatments

Doctors can prescribe treatments that are applied to the scalp or taken as pills. These can help slow hair loss or stimulate regrowth. Other options include light therapy or injections into the scalp. Always talk to your doctor about which treatment might be right for you.

When is surgery considered?

For some types of permanent hair loss, a hair transplant – where healthy hair is moved to thinning areas – may be an option. This is usually considered only after other treatments have not worked.

Living with this condition

Use a gentle shampoo and avoid rubbing your hair dry with a towel. Let it air dry when you can. If you feel self‑conscious, you can try a hat, scarf, or wig.

Lifestyle tips

• Protect your scalp from the sun with a hat or sunscreen
• If you choose to wear a wig, make sure it fits well and doesn't irritate your scalp
• Stay active – exercise can help reduce stress and improve blood flow to the scalp

Diet and exercise

Eating a balanced diet with enough protein, iron, zinc, and vitamins (like B vitamins and vitamin D) supports healthy hair. Regular exercise also helps manage stress, which can contribute to hair loss.

Mental health and emotional wellbeing

Hair loss can affect how you feel about yourself and may cause anxiety or sadness. It is normal to feel upset. Talking to a trusted friend, family member, or a counsellor can help.

Prevention

Not all hair loss can be prevented, especially if it runs in your family. But you can lower your chances by eating well, managing stress, and avoiding harsh hair treatments.

Complications

If left untreated

• Loss of self‑esteem or confidence
• Feelings of anxiety or depression
• If the cause is a medical condition (like thyroid disease), not treating it may lead to other health problems

Long-term outlook

Most cases of hair loss can be treated or managed. With the right care, many people see their hair grow back or stop thinning. Even for permanent types, options like wigs or surgery can help you feel better.

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