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Hair loss, medically known as alopecia, is a commonly diagnosed disorder. The most common cause of hair loss is androgenic alopecia. It's a process driven by genetics and hormones that causes hair follicles to become smaller over time. As a result, new hair may appear a little thinner or more delicate. This typically begins with subtle changes around the temples or a thinning spot at the top of the head. While some might notice these changes during their late teens, others may not see any shifts until much later in life.

You can generally begin to see results in 3-6 months. Initial shedding is normal and should stop as new hair grows, but you must continue the treatment to keep your progress. If you see no change after 6 months, talk to your healthcare provider about next steps.

There are two main medications used to treat hair loss: finasteride and minoxidil. Finasteride is FDA-approved to treat hair loss, while minoxidil is often used "off-label," which means healthcare providers prescribe it even though it was originally made for other health issues. Some men prefer oral minoxidil because it has a lower risk of sexual side effects than finasteride. Since these two medications work in different ways, your healthcare provider will look at your medical history and your personal preferences to help you decide which treatment is the best and safest fit for your lifestyle.

Common side effects of this medicine can include low blood pressure, headaches, and swelling in the legs. Some people also notice extra hair growing on their face or body. It is important to review all safety information and talk to a healthcare provider about what to expect. Full safety information.