It is common for pain to return once temporary pain relievers wear off. The medication you previously took contains etoricoxib and paracetamol, which mask pain and reduce inflammation temporarily but do not treat the underlying cause, such as joint wear. For safe, temporary relief, you can use paracetamol or apply a topical pain-relief gel containing diclofenac. However, taking oral pain relievers long-term without supervision can have side effects. Since the pain worsens with walking, I highly recommend consulting an orthopedist. They can perform a physical exam or an X-ray to find the exact cause and suggest a safe, effective, and lasting treatment plan.