Definition: Oral medication is drug administered by mouth
Purpose
a. When local effects on GI tract are desired
b. When prolonged systemic action is desired
Contra- indications
1. For a patient with nausea & vomiting, unconscious patients.
2. When digestive juices inactivate the effect of the drug.
3. When there is inadequate absorption of the drug, which leads to inaccurate determination of the drug absorbed.
4. When the drug is irritating to the mucus membrane of the alimentary canal.
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