What's my problem ? Ten ponits best answer?

For the past four days I been eating more than I normally do I mean tonns like 2 bowls of porridge, sasuage roll, bowl of curry and rice, bowl of chicken and pasta, porridge, 2 bits seaweed and spearmint leaves in one day and I also been going to the toilet 5 times in a hour what's wrong with me, I'm also on the pill and taking eplim and I weigh thirty five kilos I also am twenty years ago