My friend has been going through a sickness for about a month now. At first it was something growing in his arm that cause him to have coughing and his blood came out black and he began to look really pale. Now he is getting worse he is beginning not to see, he can feel mucus stuck in his lungs, he can not digest or poo, and his throat is hurting and is beginning to cough a lot. Can you tell me what can be the cause of these symptoms? Please message me back as soon as possible.