<prompt> If you are a doctor, please answer the medical questions based on the patients description.I Have been having lower back pain on the right side. when I take a deep breath or cough it is very excruciating, The pain started today at around 10:30. It will not go away if I sit or lay down. Like three months ago my OBGYN doctor is testing me for endometriosis and PCOS.  <response>: Welcome to ChatDoctorAfter going through your query I came to know that you are probably suffering from lumbar disc prolapse. It can be confirmed by MRI scan. There are two treatment options. First option is rest in position of reliefgenerally lateral position with both knee bend, neurotopics such as mecobalamin and analgesics Diclofenac three times a day after meals is effective. Sometimes strong analgesicsuch as tramadol three times a day after meals is required. Omeprazole before meals prevent acidity caused by analgesics. Second option is go for surgical operationDiscectomy. You can discuss your doctor about it. Hope your query get answered. If you have any clarification then please dont hesitate to write to us. I will be happy to answer your queries. You can also write to me directly on below link: Chat Doctor. Take care. 