What are brown spots that do not hurt or itch are not raised and are not dry on the upper thigh area on af female age fifty and what can be done to get rid of them deep warm brow skin.?

They are age or sun spots. They occur from over exposure to the sun. You start to get them as you get older because you skin gets more sensitive to the sun as you age.

You should wear makeup with SPF in it and wear sun lotion. You can buy creams for them you could get a kin lightening cream targeted for hyperpigmentation. Look for products that contain kojic acid or hydroquinone in the list of ingredients.