It is considered Haram because brokers charge swap fees or interest, which is considered illegal or against the religious belief of people. But it's not something to fret about. There are Islamic accounts designed preferably of Mulims for this purpose.
It is challenging to survive in the forex market if you don't have specific skills. Most traders lose because they become too hasty to make money. Forex demands learning, like other professions, such as engineering or medicine. Give it time. You will see the results slowly.