What Is the M367 Pill? Inside the Prescription Painkiller Found in Tiger Woods' Pocket After Florida Crash
Mallinckrodt manufactures several tiered variations of hydrocodone/acetaminophen, each distinguished by a distinct numerical stamp indicating its opioid strength. Knowing the difference between these formulations is essential for assessing therapeutic dosing versus dangerous toxicity.
| Imprint Code | Active Ingredients | Brand Equivalent | Standard Therapeutic Target |
|---|---|---|---|
| M365 | Hydrocodone 5 mg / Acetaminophen 325 mg | Norco 5/325 | Mild-to-moderate outpatient acute pain |
| M366 | Hydrocodone 7.5 mg / Acetaminophen 325 mg | Norco 7.5/325 | Moderate postoperative rehabilitation |
| M367 | Hydrocodone 10 mg / Acetaminophen 325 mg | Norco 10/325 | Severe chronic pain; major orthopedic recovery |
| IP 109 | Hydrocodone 5 mg / Acetaminophen 325 mg | Norco generic (Amneal) | Dental extractions; minor soft tissue injuries |
The M367 imprint marks the highest hydrocodone threshold authorized within the Norco dosage framework. Taking two M367 tablets at once delivers 20 mg of pure hydrocodone alongside 650 mg of acetaminophen. For an opioid-naive individual, 20 mg can cause marked dizziness, slowed breathing, and significant mental clouding within forty minutes of oral ingestion.
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