|Type of DTP||Examples|
|Needs additional drug therapy||
ACEI was not prescribed for AHA stage C, CHF with no contraindication to the medication.|
Propranolol or nadolol was not prescribed for the patient with chronic liver disease and portal hypertension to prevent variceal bleeding.
|Unnecessary drug therapy||
Dextrometrophan was prescribed for community acquired pneumonia.|
Ceftriaxone was prescribed with fluconazole to treat cryptococcal meningitis.
|Dosage too low||
Spiranolactone 50 mg PO once daily was prescribed to treat ascites instead of 100-400 mg per day.|
Ceftriaxone 1 g IV BID was prescribed to treat meningitis instead of 2 g BID.
|ADR||Hypotension was developed due to furosemide 20 mg IV BID and spiranolactone 25 mg PO once daily.|
|Noncompliance||The patient preferred not to take enalapril which was prescribed to treat CHF.|
|Dosage too high||Digoxin 0.25 mg PO once daily was prescribed with Clarithromycin PO BID and then the patient developed cardiac arrhythmia.|
|Ineffective drug therapy||Atenolol was prescribed to treat AHA stage C, CHF.|