4 year old child loses conscious every 3-4 minutes and losing sensation on side of body?

hello, my family friend’s 4 year old child is suffering a problem. He loses conscious every 3-4 minutes which lasts for few seconds. Its been on going for more than a year. Hes seen doctors but since they life in a country where the medicine isnt advanced, they are not getting satisfying answer. He has also started losing a little sensation on one side of his body