There's some benefit to the patient if the drug is effective treatment for a condition they knew they had but didn't know there was treatment for. Or if it's a new thing that treats something where the old treatment didn't work well or had bothersome side effects for the patient.
Major new drugs may get news coverage or may be brought up if a doctor sees something on your chart at a checkup, but ads may (or may not) reach more people.
Major new drugs may get news coverage or may be brought up if a doctor sees something on your chart at a checkup, but ads may (or may not) reach more people.