<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hello.I was out with my friends 2 days ago and I felt like my foot was itchy.I started scratching it but nothing happened, until today.My foot is all swollen and red and it hurts a lot. It s obviously a thing with a bug.I ve tried putting ice and some creamsmedicaments for swollen skin and stuff but still, I wanted to ask you urgently because I have to travel tomorrow. Thanks in advance, here s a picture  <response>: Cellophane You for contacting Chat Doctor. Most probably this is an allergic response. You might have bitten by some insect or some shoe has done this allergy. I would recommend you to try following: try to wear open shoes so that skin is not covered. use cetirizine one at night for 5 days for itch. Apply fusicidic acid 2 ointment over the skin twice daily Wash hands before and after applying. Keep it clean It will start resolving by itself in 2-3 days. Report to hospital if: Condition remain same after 2-3 days Any unusual symptom appears Condition deteriorates. Hope this answers your question. If you have additional questions or follow-up questions then please do not hesitate in writing to us. Wishing you good health. 