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Tramadol 150mg cannot be bought online through instant care delivery systems as a Schedule IV controlled substance requiring a valid EPCS prescription from a DEA-registered US healthcare provider for moderate-to-severe pain unresponsive to non-opioids; prescription-free online sales constitute federal felony distribution under 21 U.S.C. § 841 with up to 20-year imprisonment penalties.
Extended-release tramadol 150mg daily maximum (not for as-needed use) falls under 2025 CDC guidelines mandating NRS ≥6/10 + non-opioid failure, multi-state PDMP clearance—no instant delivery bypasses EPCS authentication, ≤5 refills/6 months #30 capsules post-telemedicine flex expiration December 31, 2025.
Tramadol HCl ER 150mg (mu Ki 40nM + NET/SERT inhibition), Tmax 6-12h, t½ 8h CYP2D6 polymorphic; black box serotonin syndrome OR8, seizures 1-2% >400mg/day equivalents, respiratory depression OR4—taper 50mg weekly COWS; contraindications MAOI 14 days, SSRIs, epilepsy.
Diagnostic: NRS ≥6/10 + PEG ≤4 excluding mimics.
Video: PDMP clean 12mo, ORT <5, UDS negative.
EPCS: #30 caps 150mg ≤5 refills/6mo signature delivery.
Follow-up: ≥25% NRS q14d + UDS surveillance.
| Incidence | Effect Cluster | Risk Factors | Management |
|---|---|---|---|
| 25-45% | Nausea/constipation | >200mg/day | Ondansetron + senna BID |
| 15-30% | Dizziness/sedation | Elderly CYP2D6 PM | 100mg q12h fall precautions |
| 10-20% | Serotonin syndrome | SSRI co-exposure | Cyproheptadine 12mg load |
| 1-5% | Seizures | >400mg history | Levetiracetam substitution |
| <1% | Respiratory RR<10 | CYP3A4i overdose | Naloxone titration |
Instant care delivery systems violate CSA Schedule IV controls (21 CFR 1306.04), Ryan Haight exam requirements—federal felony per transaction across 50 states.