<s>[INST] I had a stinging bite like sensation on the outer right side of my leg just below the knee. A hard lump started to form and it became so very itchy for a while. Then painful with dark purple bruise like colouring. The swelling has gone down a little but the whole area is very painful to touch. Should i see a doctor asap. thank-you. [/INST] Hi,Welcome.Based on the facts of your query-You need to have treatment for-Unknown Insect Bite with Cellulitis with hard lump-which could be treated as follows-Get Second Opinion from SurgeonCold Compress-Tab Chymoral- 1 x 2 times per day.Tab- Motrin-4oo mgm. x 2 times per day.Tab-ZincovitAntibiotics-if need be,as decided from Surgeon.Hope this would help you to plan further treatment with your doctor.Will appreciate your Hitting thanks and writing excellent review comments to help needy patients like you. Welcome with any other further query in this regard.Good Day!!Dr.Savaskar,Senior Surgical SpecialistM.S.Genl-CVTS </s>