Hair loss treatment is about identifying the underlying cause and treating that condition to help encourage hair regrowth. Some conditions that cause hair loss can be reversed with changes to diet, medication use, or lifestyle choices. For example, if hair loss is due to an excessively low-protein or iron diet, a change in diet and the addition of supplements may help encourage hair growth. A fungal infection on the scalp — called tinea capitis or ringworm of the scalp — can also lead to hair loss, and it is treatable with antifungal drugs such as griseofulvin.

Generally, Hair loss treatment for hair loss is a topical medicine that you apply to your scalp. Minoxidil (Rogaine(r)) is FDA-approved for male and female pattern baldness, and finasteride is approved as an oral medication to treat a more severe form of balding in men called androgenetic alopecia. Other over-the-counter medications such as regrowth serums and shampoos, vitamin C, and biotin may promote hair regrowth.

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Sometimes, a medical professional will recommend a more involved therapy such as platelet-rich plasma injections or microneedling with the scalp to stimulate hair regrowth. However, there isn’t solid evidence for these treatments and they have not been proven to be effective. In other cases, the doctor might order blood tests to check your thyroid function and iron levels. They might also take a skin biopsy of the scalp to see if you have an autoimmune disease or other conditions that may contribute to hair loss, such as traction alopecia.