The types of drugs for the treatment of  hair loss that are approved by the Food and Drug Administration, including:

• Minoxidil (Rogaine). This over-the-counter (without prescription) has approved a drug for the treatment of androgenetic alopecia and alopecia areata. Minoxidil is a liquid or foam that you rub into the scalp twice daily to grow hair and prevent further losses. Some people have regrowth of hair or hair lossslow or both. Minoxidil is a 2 percent and 5 percent are available.

New Hair taking minoxidil, not thinner and shorter than before. But it may be sufficient to hide the hair growth for some of his bald head and hair is the new assembly with other hair. New hair stops growing once you stop now with minoxidil. It can reach 12 weeks for new hair. If the results of the required minimum of six months, your doctor may recommend settlement. Side effects include irritation of the scalp.

• Finasteride (Propecia). This prescription drug for the treatment of male pattern baldness performed daily in the form of tablets. Many men who suffer a loss finasteride hair slower and even may show some growth of new hair. Positive results may take several months. Finasteride blocks the conversion of testosterone into dihydrotestosterone (DHT), a hormone that reduces hair follicles and is an important factor in male hair loss. Rare side effects of finasteride back of sexual desire and sexual function. As with minoxidil, finasteride leave benefits if you stop it.

Finasteride is not approved for the treatment of women. In reality, it represents a significant risk to women of childbearing age. If you are pregnant, not even handle broken or crushed tablets finasteride, since absorption of the drug can cause serious birth defects in male fetuses.

• Corticosteroids. Injections of cortisone into the scalp can treat alopecia areata. Treatment is usually repeated monthly. Doctors sometimes prescribe corticosteroid pills for loss of hair, based on extensive alopecia areata. New hair can be seen four weeks after injection. Ointments and creams can also be used, but may be less effective than injections.

• Anthralin (scalp Dritho). Available in cream or ointment, anthralin is a synthetic, tarry substance that your scalp and apply the wash every day. E ‘is usually used to treat psoriasis, but doctors can prescribe to treat skin diseases. Anthralin is an important stimulus for new hair growth in cases of alopecia areata. It may seem to 12 weeks for new hair.