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Oral finasteride helps treat male pattern hair loss. Approved by the FDA in 1992, it has been helping men regrow their hair for decades.
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Oral Finasteride
Oral finasteride helps treat male pattern hair loss. Approved by the FDA in 1992, it has been helping men regrow their hair for decades.
Finasteride is a once-daily tablet that has been FDA-approved since 1992 and works by blocking the production of dihydrotestosterone (DHT). DHT is a hormone responsible for shrinking and weakening hair follicles, which ultimately leads to hair loss.
In men with male pattern baldness, the hair follicles in balding areas of the scalp have been damaged over time by a hormone called dihydrotestosterone or DHT. The scalp tissue in balding spots tends to have higher levels of DHT compared to hairy areas of the scalp.
Finasteride works by blocking an enzyme called Type II 5α-reductase, which is responsible for converting testosterone into DHT. By inhibiting this enzyme, finasteride reduces DHT levels in the scalp.
Oral finasteride comes as a tablet that is taken once daily, with or without food. It is important to swallow the tablets whole. Do not crush or chew tablets.
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While finasteride is generally well-tolerated, some men may experience side effects such as:
If you experience any side effects, don’t hesitate to talk to your doctor.
Finasteride works quickly to lower scalp DHT levels, the hormone largely responsible for male pattern baldness. Within a day of taking your first finasteride tablet, DHT levels drop by 65%.
However, hair regrowth is a slower process. It takes time for your scalp follicles to start producing new hair strands. Most men start noticing small signs of regrowth around 3 months after beginning a daily finasteride regimen.
When beginning a finasteride regimen, you might experience a temporary increase in hair shedding during the initial weeks.
Finasteride works by stimulating hair follicles that have been resting to prematurely enter their growth phase. However, before new hairs can sprout, the old resting hairs need to be shed.
Finasteride is a long-term treatment for hair loss. Finasteride works by blocking the production of dihydrotestosterone (DHT), the hormone that causes male pattern baldness. By reducing DHT levels, finasteride allows hair follicles to recover and new hair growth to occur.
However, if you stop taking finasteride, your DHT levels will start rising again within a couple of months. Any new hair growth you've gained will begin falling out within about a year of discontinuing the medication.
Finasteride is not FDA-approved for women. And there's a very good reason for that - it can cause severe birth defects.
You see, finasteride works by blocking a hormone called DHT that triggers hair loss. But DHT is critical for male fetal development. Numerous studies have shown that expectant mothers who take finasteride may give birth to boys with genital abnormalities.
That said, some doctors may prescribe finasteride off-label to treat female pattern baldness. This is usually for post-menopausal women.