Dr. Hanif warmly Welcomes you! Thanks for consulting at my virtual clinic. I have carefully worked through your case, and I can realize your health worries. Being your physician, I assure you not to worry as I will take care all of your medical concerns. This kind of pain is typical of muscular spasm of the back muscles. You felt a little better while taking shower, when try to stretch it up, causes abdominal muscles contractions, all suggest you have severe spasm of muscles of back. Use Lumbosacral Corset to hep support and ease in symptoms of pain and keeping the back posture of curvature normal. Applly heat to the back muscles. Take Ibuprofen and apply topically Bengay ultra stretch gel on affected areas of the back Plus, Capsaicin cream topically on the back. Avoid heavy weights lifting, long-term standing, jerky movements & strenuous physical activity. Take plenty of water and proper rest, Keep a balanced healthy diet and add a multivitamin after breakfast to revitalize yourself. If you feel aforementioned remedies are no more working for you, consult a physical therapist after getting a referal from your primary care physician ( but you will not need that, I am sure). Hope I answered all of your health concerns . If you have further questions in future, feel free to contact me anytime. In the start of your question write my name, and I will get back to you in no time. If satisfied, please click you found it helpful and thanks. Have a wonderful time ahead. Best Regards! DR. MUHAMMAD M. HANIF USA