 [ Symptoms ] blood pressure is 15<negative_smiley>81 with nausea after shoveling some light snow i am 62 female with slightly high bp concerns  i do have slightly high bp normally and take blood pressure pills also have chronic nausea [ Disease ] treatment with maxalt reduces swelling of blood vessels surrounding the brain this swelling results in the headache pain of a migraine attack blocks the release of substances from nerve endings that cause more pain and other symptoms of migraine interrupts the sending of specific pain signals to your brain it is thought that each of these actions contributes to relief of your symptoms by maxalt