The medication administration record (MAR) should include patients full name, full name of medication ordered, time medication is to be given, dosage of medication, route of medication administration, and frequency of medication administration. The nurse should not record the medication as given until it has been given. The date, time, name of medication, dose, route, site of administration, and drug reaction should be documented. If the patient had an adverse reaction to medication, description of reaction should be documented, and prescriber notified. Teaching provided with medication and patient understanding should also be documented. Sometimes drugs may be withheld, the time and reasoning must be documented. If the patient refuses a medication the physician must be notified, and the incident must be documented. Certain drugs, such as digoxin, required vital signs to be in range before administration. The nurse should document patient preassessment. Documentation can save a patient from being over medicated or being medication with a drug that can cause