An antihypertensive medication has been prescribed for a client with HTN. The client tells the clinic nurse that they would like to take an herbal substance to help lower their BP. The nurse should take which action?
Tell the client that herbal substances are not safe & should never be used.
Teach the client how to take their BP so that it can be monitored closely
Tell the client that if they take the herbal substance they will need to have their BP checked frequently