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Why does hair fall happen? There can be many reasons behind hair loss, from stress to hormones, dermatologist told the solution.
Samira Vishwas | August 24, 2026 12:24 PM CST

Nowadays many people are troubled by the problem of hair fall. However, the cause of hair fall may vary from person to person. Therefore, it is very important to first find out the specific cause of your hair fall. Dermatologist Aanchal Panth has a special way to do this: looking at your hair fall patterns – that is, when and how your hair falls. This helps determine the cause and determine the possibility of hair regrowth.

causes of hair fall
Telogen effluvium: In this condition there is sudden and excessive hair loss. It is often seen that hair fall starts two-three months after a particular event. Rapid hair loss can occur after high fever or illness, stress, rapid weight loss, nutritional deficiency, surgery or childbirth. Initially, there is no significant reduction in the overall density of hair on the scalp; Hair starts falling from the entire head simultaneously and not from any particular place. When the root cause is treated, hair usually begins to grow back.

Female pattern hair loss: If your hair is gradually thinning, and you notice a decrease in the amount of hair on the crown and middle of the head – and the ridges appear wider over time – it may be female pattern hair loss. The thickness of the hair gradually reduces and they become very fine. If left untreated, overall hair density may decrease, although this condition can be controlled with proper treatment.

Diffuse alopecia areata: In this condition, there is sudden hair loss from the entire head, which can look like telogen effluvium. Although hair may be thinning everywhere, round bald patches are not necessarily visible. Some people may notice short, broken hair or hair that is matted at the ends. For correct diagnosis, it is important for the doctor to thoroughly examine the scalp and hair. Sometimes, dermoscopy may also be needed.

Can hair grow back after hair loss?

If hair falls out suddenly, the chances of it growing back are usually better because the hair roots have not yet been completely damaged. However, if hair thinning has been occurring gradually over several years – especially if hair thickness continues to decrease – simply stopping the hair loss may not be enough. In such cases, it may be difficult to get the hair back to its original density. Therefore, it is very important to understand the patterns and timeline of hair fall; Starting treatment at the right time can help prevent further damage.

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