I walk short distances only due to my health I'm taking 6 gabapentine that are 300mg then 1 tramodol at 500mg also 8 paracetamol 500mg and 2 amytriptelene at 25mg then a 50mg at night are any of the meds a possible answer to this or is it a fresh medical problem that may have occurred it causes a crushing sensation across the chest area at times .