I've put my upper back into spasm yesterday descaling the shower. Currently 28w pregnant and feeling v sorry for myself. Trying to get by with paracetamol but finding it barely takes the edge off the pain - not helped by constant coughing and nose blowing due to cold. Have been debating using some cocodamol 8/500 - not recommended but used in pregnancy. Seems short term use ok. Does anyone have experience of using this is pregnancy?