Since Monday I have been having breathlessness and dizziness which has been almost constant. I am extremely fatigued and have had occasional chest pains accompanying the shortness of breath. The chest pain has been on my right hand side below my collarbone and on my left hand side in the middle of my rib-cage. I have had tingling and numbness in my hands and feet for a number of months and a sore tongue which has a number of ulcers on it. I have a B12 deficiency, Sliding Hiatal hernia and Endometriosis. I am a 20 year old female. I am on b12 injections every 3 months, Levest 30mg and Lansoprazole 30mg. I am not delayed with my B12 injections but am due them at this time, I normally have symptoms when I am due them but they are typically not this severe