Causes of Hair Loss
Complete guide to understanding hair loss causes — from genetics to nutrition. Expert diagnosis at HairSure.
Causes of Hair Loss
Understanding Hair Loss Causes — Complete Diagnostic Guide
By Dr. Ravi Chander Rao, M.Ch (Plastic Surgery) | Medically Reviewed by Dr. B. Sridhar Reddy, MDS, MAHRS | Updated: June 2026
Hair loss is rarely caused by a single factor. At HairSure Clinic, our diagnostic approach identifies all contributing factors before recommending treatment.
1. Genetic Causes (Androgenetic Alopecia)
The most common cause. DHT binds to genetically sensitive follicles, causing miniaturization. Inherited from either parent. Treatable with Finasteride/Minoxidil.
2. Hormonal Causes
- Thyroid Disorders: Hypo- and hyperthyroidism cause diffuse shedding
- PCOS: Affects 1 in 5 Indian women
- Postpartum: Temporary, resolves in 6-12 months
- Menopause: Declining estrogen affects 50%+ of women over 50
3. Nutritional Deficiencies
- Iron Deficiency: Most common in Indian women. Ferritin below 70 ng/mL
- Vitamin D: 70-80% of Indians deficient
- Protein: Less than 50g daily affects hair growth
- Biotin, Zinc: Support follicle function
4. Stress (Telogen Effluvium)
Physical or emotional stress triggers shedding 2-3 months later. Usually temporary; hair regrows within 6-12 months.
5. Medical Conditions
- Alopecia Areata: Autoimmune patchy loss
- Scalp Infections: Fungal tinea capitis
- Psoriasis, Seborrheic Dermatitis
- Trichotillomania: Compulsive hair pulling
6. Lifestyle Factors
Tight hairstyles, harsh chemicals, heat styling, pollution, hard water, sleep deprivation, smoking.
7. Medications
Antidepressants, blood thinners, beta-blockers, statins, isotretinoin, anabolic steroids.
When to See a Specialist
- Sudden increase in shedding (100+ hairs/day)
- Visible thinning or bald patches
- Receding hairline or widening part
- Hair loss with scalp itching or pain
- Hair loss after illness, surgery, or medication change
Book a diagnostic consultation. Call 94940 20202.
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Our medical team brings over a decade of specialized experience in hair restoration, ensuring world-class care and undetectable, natural results.
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