produce an crows foot ERD or power architect corresponding to the following problem description.

medication, not brand name medications.

For continuing patients it may be necessary to adjust dosages and add or drop medication from course of treatment.

A patient could be under several courses of treatment at once , if they are suffering from several unrelated complaints.

If symptoms disappears permanently or for substantial period, this is recorded. also the patients may indicate a specific date when the symptom started.

patients medical histories are retained permanently by the system , as are their appointments however, only their most recent name and address is kept