 [ Symptoms ] what causes blocked arteries my mom has had stints put in but they still keep getting blocked i understand that smoking plays a role but smoking can not be all of it the doctors here believe that is all that is causing the heart attack and blocked arteries and dont bother to check for anything else [ Disease ] most cases of bronchitis are viral and do not need antibiotics so this could be one reason why you are not getting better as fast as you though it is okay to take amoxicillin with ibuprofen if you have failed to get better on your doctor is treatment regime you need to go back and be re examined otherwise he will just assume you are better inform him otherwise