Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. As per your presentation the pain is constant and severe, one sided, uncomfortable in standing position. This type of pain (neuropathic pain) mostly occurs in case of any pressure or damage to the nerve supplying that area. In standing position the nerve will get more strained, hence pain increases. You can confirm by 1. nerve conduction tests 2. x-ray both thighs 3.complete blood picture Coming to treatment part you can follow the below pattern: 1. use non steroidal anti inflammatory drugs 2. you can also use pain killer sprays 3. take vit- B12 tablets 4. physiotherapy helps to some extent 5. check for risk factors like diabetes. These measure can help you to recover soon from your symptoms. Don t get worried and try to follow the above thing for a speedy recovery. Hope I have answered your query. Let me know if I can assist you further.