It may be medical malpractice, since medical malpractice is  medical care that is careless--like prescribing blood pressure medicine for someone without high blood pressure. However, it may not be worth suing over: if you suffered for only around 5 days, you would not get any "pain and suffering," so all you could recover is your out-of-pocket (not paid by insurance) medical costs and lost wages (if any). However, medical malpractice suits can be very expensive--you need to hire a medical expert of your own--which means that unless the bills you paid are very high, it's not likely worthwhile to sue.