Since your pain and swelling are spreading, please stop using hot ointments, as heat can worsen active inflammation. Instead, apply ice packs wrapped in a towel. For relief, you can apply a topical diclofenac gel. Over-the-counter oral medications like ibuprofen or paracetamol can also help manage pain and inflammation, if safe for you to take. Keep your foot elevated and rest. Since the injury occurred six days ago and is spreading, it is highly recommended to visit a doctor for an evaluation or X-ray to rule out a severe sprain or bone injury.