See a dermatologist or hair-loss specialist to identify the cause
Treat underlying conditions such as thyroid disease, iron deficiency, hormonal imbalance, or autoimmune disease
Use minoxidil as directed
Use finasteride if prescribed and appropriate
Consider dutasteride if prescribed by a clinician
Use ketoconazole shampoo if recommended
Correct nutritional deficiencies, especially iron, vitamin D, zinc, and protein
Eat a balanced diet with adequate calories and protein
Reduce tight hairstyles, harsh chemicals, and excessive heat styling
Avoid frequent bleaching, perming, or aggressive brushing
Manage stress with sleep, exercise, and relaxation practices
Stop smoking
Review medications that may cause hair loss with a doctor
Treat scalp conditions such as dandruff, psoriasis, or fungal infection
Consider low-level laser therapy
Consider platelet-rich plasma treatment
Consider hair transplant surgery for permanent loss
Start treatment early
Be consistent with treatment for several months
Track progress with photos and follow-up visits