 [ Symptoms ] my 5 year old has lots of bumps that itch all over his feet up to his knees they itch and hurt not red when they fist appear but after he scratches they turn into sores they are in patchy spots all over his legs and feet [ Disease ] first you need blood transfusion asap is your rectal blood bright or dark is your vomit blood bright or dark stop any nsaids anti inflammatory  stop smoking use maalox and ranitidineother more effective drugs can be prescribed like proton pump inhibitors but not online you need to check your liver functions asapgood luck