<s>[INST] I have severe sunburn on the tops of my feet, they are swollen and the burns feel like typical over exposure to the sun. However, when I stand up or attempt to walk I have severe pain in my feet as if they were broken and feel like I m going to collapse, is this pain normal? [/INST] Sunburn over top of feet would not usually have pain on the soles. The pain in feet may be radiation from above top of feet but not to the extent as told by you. Its arthritis of foot bones or bony spurs is causing pain. It's a chronic condition which doesn't go easily. Combining foot exercises and medication for pain is the answer. Sunburn on top of foot is to be managed by different anti sunburn measures. </s>