As a prodrug, it requires metabolic conversion to its active form, ketorolac tromethamine, to exert its therapeutic effect. Bypasses first-pass metabolism in the gut, ensuring higher bioavailability.
Switching from Injectable to Oral Ketorolac: Understanding Bioavailability and Metabolism
Intramuscular Injection: The Standard for Acute Settings Intramuscular (IM) injection is the most common and traditional route for administering ketorolac in acute care environments. The IM route is particularly useful in emergency departments or post-operative recovery when patients are unable to take oral medications or require faster pain relief.
Oral and Nasal Routes: Convenience and Limitations Oral ketorolac is generally reserved for the later stages of pain management, specifically for transition from injectable therapy. The liver enzyme CYP2C9 plays a vital role in this conversion, which influences the drug’s onset and duration of action.
Switching from Injectable to Oral Ketorolac: Key Considerations
Ideal for patients with nausea or vomiting following surgery. Critical Safety and Dosing Considerations Regardless of the route, ketorolac is associated with a black box warning regarding the risk of serious cardiovascular thrombotic events and severe gastrointestinal bleeding.
More About Ketorolac route of administration
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