Related Experiment Video
Updated: Aug 12, 2026

Assessment of Morphine-induced Hyperalgesia and Analgesic Tolerance in Mice Using Thermal and Mechanical Nociceptive Modalities
Published on: July 29, 2014
Slowing the initial titration rate of tramadol improves tolerability
1Westside Family Medical Center, Kalamazoo, Michigan 49009-9199, USA.
Slower titration of tramadol significantly reduces patient discontinuation due to adverse events like nausea, vomiting, dizziness, and vertigo. A 10-day titration schedule demonstrated the most favorable tolerability profile for chronic joint pain management.
Area of Science:
- Pharmacology
- Clinical Trials
- Pain Management
Background:
- Tramadol is a widely used analgesic for chronic pain.
- Adverse events, particularly gastrointestinal and neurological symptoms, can limit tramadol tolerability and lead to treatment discontinuation.
- Optimizing tramadol titration schedules may improve patient adherence and treatment outcomes.
Purpose of the Study:
- To evaluate the impact of different tramadol titration schedules on drug tolerability.
- To determine if slower titration reduces the rate of treatment discontinuation due to adverse events.
Main Methods:
- A multicenter, double-blind, parallel study involving 465 patients with chronic joint pain.
- Patients were randomized to receive tramadol titrated over 1, 4, or 10 days to a target dose of 200 mg/day, or placebo.
- Discontinuation rates due to specific adverse events (nausea, vomiting, dizziness, vertigo) and any adverse event were analyzed.
Main Results:
- A statistically significant trend showed fewer discontinuations with decreased titration rates for nausea/vomiting, dizziness/vertigo, and overall adverse events.
- The 10-day titration group experienced significantly fewer discontinuations compared to the 1-day and 4-day groups.
Conclusions:
- Slower titration of tramadol therapy, specifically using 50-mg increments every 3 days, enhances tolerability.
- This approach leads to a significant reduction in treatment discontinuations, particularly those related to dizziness and vertigo.
More Related Videos
Related Concept Videos
Desensitization and Tachyphylaxis
Several...
Analgesia and Pain Management
Opioid Analgesics: Synthetic and Semisynthetic Opioids
Nonlinear Pharmacokinetics: Dependence of Elimination Half-Life and Dose Clearance
A study on guinea pigs examined the...
Dosage Regimen: Multiple Oral Dosage
Modified-Release Drug Delivery Systems: Drug Release Characteristics

