0. The goal of this step is let PHARMACIST know what drugs to give to PATIENT.
1. DOCTOR may find that PATIENT still has some drug prescription going on.
1. DOCTOR searches for a drug.
1. A drug may have two names: brand name and generic name.
2. A drug is first invented and produced by certain brand under a registered brand name like Panadol.
3. After a brand name drug patent expires, other companies may produce drug with same formulae under a generic name, which is Paracetamol.
4. Searching for either brands or active ingridients is expected.
5. A drug may be taken into body via different paths, called routes of administration.
2. DOCTOR adds a drug.
1. Drugs may have interactions with each other, which may not be desired.
2. Drugs may be low in stock, or ran out, so alternative may be needed.
3. Drugs may cause allergies, which may not be desired.
3. DOCTOR specifies usage of the drug.
1. Drugs may need to be administered with certain frequency.
2. Drugs may need to be administered immediately.
3. Drugs may be limited to a certain kind of usage, like tablets, unit must be tablets, route must be oral, etc.
4. Total quantity of drugs is usually determined by the usage and frequency (multiplied).
5. Special care is needed for cream, syrups, where units may be vague and total quantity must be entered manually.
6. In programs, drugs are given indefinite amount, which should be another journey, not to be mixed with normal case.
4. DOCTOR repeatedly adds more drugs.
5. DOCTOR saves prescription.
1. This may mark the ending of a consultation (or a visit).
6. Prescription is transferred to PHARMACY.
1. As of v.85 ERP of drugs and EMR are provided by separate solutions.