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General
- Type: Opioid
- Dosage Forms: PO, IM, IV, PR; immediate and extended release formulations; combination formulations with acetaminophen (Tramacet)
- Common Trade Names: Ultram, Ryzolt, Zytram
Adult Dosing
General
Pediatric Dosing
- Not Currently recommended
Special Populations
- Pregnancy Rating: C
- Lactation Risk Categories: Probably safe
- Renal Dosing
- Adult: CrCL < 30: given q12h, max 200mg/day
- Pediatric: none
- Hepatic Dosing
- Adult: cirrhosis: 50mg q12h, max 100mg/day
- Pediatric: not defined
Contraindications
- Allergy to class/drug
- Asthma, acute
- Respiratory depression
- Severe hepatic impairment
- Severe renal impairment
- Acute alcohol intoxication
Adverse Reactions
Serious
Common
- Nausea
- Rash
- Headache
- Fatigue
- Xerostomia
- Constipation
- Tremor
- Insomnia
Pharmacology
- Half-life: 6.3 - 7.9 hour
- Metabolism: Liver
- Excretion: urine
- Mechanism of Action:exact mechanism unknown, binds to mu opioid receptors and weakly inhibits NE/Serotonin reuptake