The station is named Clapham Junction because it is at the junction of several rail lines. The name is not given to any rail junction near the station which, without end-on intercompany junctions, are: Falcon Junction at the south end of the station, where the West London Line (WLL) joins the Brighton Slow Lines.
Spider Bites that Burn. While most spider bites are harmless, a few can cause serious health problems so it is important to recognize and treat any spider bite reactions that include burning. Many minor reactions include itching, redness and swelling. These symptoms usually go away within hours or a couple of days and can be treated at home.
Some patients can develop an allergic reaction to iodine (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue). Others can end up with a chemical burn if the iodine is used in higher concentrations. In your case the tick bite itself could end up in skin inflammation and infection that could give a similar picture. In case it appears like a chemical burn, then one should treat it like a burn.