Hi I have 2 lumps on my back.they are not painful,not itchy but if I touch it it feels a bit itchy but that goes away in a minute.they are about 1/2-1 cm and are red.they are hard and firm.they are red.one is right at the left of my back,middle left area and one is right in the middle near the bottom of my back,on my spine bone.I am 13 years old,I also have a cold and a stomach ache if that's any help.