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Hair Fall: Common Causes and What Can Help

Byadmin November 3, 2026

Losing some hair every day is normal, but noticeably thinning hair, a widening parting or bald patches usually have a cause that can be identified. Genetics, stress, illness, hormones and low nutrient levels are among the most common reasons, and many types of hair loss can be slowed or treated.

QUICK ANSWERShedding 50 to 100 hairs a day is normal. If you lose much more, see sudden thinning, patches or a changing hairline, speak to a doctor to find the cause, because the right treatment depends on it.
50 – 100
Hairs shed per day is considered normal
2 – 3 mo
Stress-related shedding often appears this long after the trigger
Genetics
The most common cause of long-term hair loss
Treatable
Many causes improve with the right care

Common Causes of Hair Loss

GENESPattern hair lossGradual thinning that runs in families, in both men and women.
STRESSStress and illnessMajor stress, fever, surgery or childbirth can trigger temporary shedding. See anxiety coping tips.
NUTRIENTSLow iron or vitamin DDeficiencies and crash diets can affect hair. Read vitamin D deficiency signs and causes.
HORMONESHormone changesThyroid problems, PCOS and menopause can thin the hair.
MEDICINESSome medicinesCertain treatments can cause hair loss. Do not stop a medicine without asking your doctor.
STYLINGTight styles and heatTight hairstyles and harsh treatments can damage hair and break it.

Everyday Hair Care Tips

DO
  • Eat enough protein, iron-rich foods, fruit and vegetables
  • Use a mild shampoo and be gentle when brushing wet hair
  • Keep hairstyles loose
  • Manage stress, sleep and exercise regularly
AVOID
  • Very tight ponytails, braids or extensions
  • Frequent high-heat styling and harsh chemicals
  • Crash diets that cut out important nutrients
  • Unproven products with big promises

Healthy habits help hair too; see natural ways to improve overall health.

Treatment Options

Treatment depends on the cause. Some people use over-the-counter minoxidil for pattern hair loss, which needs months of regular use to show results. Doctors may also prescribe medicines, treat an underlying problem such as a thyroid condition or low iron, or refer you to a dermatologist. Supplements are only useful if you are actually deficient, so test before you take them, and ask your doctor or pharmacist before starting any treatment.

SEE A DOCTOR IF
  • Hair falls out suddenly or in patches
  • Your scalp is red, painful, scaly or itchy
  • Hair loss comes with tiredness, weight change or other symptoms
  • You are losing hair after starting a new medicine

Looking for hair care?

Browse our hair care category. Please consult a doctor or pharmacist before using any treatment.

Hair care products

Frequently Asked Questions

Does washing hair every day cause hair loss?

No. Washing removes hairs that were already shed. Hair loss comes from the follicle, not from shampooing.

Can hair grow back after stress-related shedding?

Usually yes. Once the trigger is gone, hair often recovers over several months.

Do hair vitamins work?

They help mainly when you have a deficiency. Ask your doctor for a blood test before taking supplements.

More Reading

Vitamin D deficiency: signs and causes →Anxiety: everyday coping tips →Natural ways to improve overall health →
Medical note: This article is general information and does not replace advice from a doctor or dermatologist.
Sources: American Academy of Dermatology (AAD), hair loss overview; NHS guidance on hair loss; Mayo Clinic patient information on hair loss.

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