thanks for writing to HC magic.
i sincerely hope that you are not on magnesium
now as your caption suggests. moreover without knowing the exact medication you are taking it is not feasible to explain your symptoms in relation to your medication.
yes at times the delay or withdrawal of some blood pressure drugs may produce the kind of symptoms you have, like beta-blockers. but not all of these can be explained.
i would advise you to adhere to your prescription. take your pills regularly and if still there is problem please see your physician.