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Questions & Answers
Side Effects & Adverse Reactions
Seizures have been reported in patients receiving tramadol hydrochloride within the recommended dosage range. Spontaneous postmarketing reports indicate that seizure risk is increased with doses above the recommended range. Concomitant use of tramadol hydrochloride increases the seizure risk in patients taking:
- Selective serotonin reuptake inhibitors (SSRI antidepressants or anorectics),
- Tricyclic antidepressants (TCAs), and other tricyclic compounds (e.g., cyclobenzaprine, promethazine, etc.), or
- Other opioids.
Administration of RYZOLT™ may enhance the seizure risk in patients taking:
- Monoamine Oxidase (MAO) inhibitors (See also WARNINGS – Use with MAO Inhibitors and Serotonin Re-uptake Inhibitors),
- Neuroleptics, or
- Other drugs that reduce the seizure threshold.
Risk of convulsions may also be increased in patients with epilepsy, those with a history of seizures, or in patients with a recognized risk for seizure (such as head trauma, certain metabolic disorders, alcohol and drug withdrawal and CNS infections). In tramadol overdose, naloxone administration may increase the risk of seizures.
Do not prescribe RYZOLT™ for patients who are suicidal or addiction-prone. Prescribe RYZOLT™ with caution for patients taking tranquilizers or antidepressant drugs and for patients who use alcohol in excess. Serious potential consequences of overdosage with RYZOLT™ are central nervous system depression, respiratory depression and death. In treating an overdose, primary attention should be given to maintaining adequate ventilation along with general supportive treatment (see OVERDOSAGE).
Serotonin Syndrome Risk
The development of a potentially life-threatening serotonin syndrome may occur with the use of tramadol products, including RYZOLT™, particularly with concomitant use of serotonergic drugs such as SSRIs, SNRIs, TCAs, MAOIs, and triptans, with drugs which impair metabolism of serotonin (including MAOIs), and with drugs which impair metabolism of tramadol (CYP2D6 and CYP3A4 inhibitors). This may occur within the recommended dose (see CLINICAL PHARMACOLOGY, Pharmacokinetics).
Serotonin syndrome may include mental-status changes (e.g., agitation, hallucinations, coma), autonomic instability (e.g., tachycardia, labile blood pressure, hyperthermia), neuromuscular aberrations (e.g., hyperreflexia, incoordination) and/or gastrointestinal symptoms (e.g., nausea, vomiting, diarrhea).
Tramadol products in excessive doses, either alone or in combination with other Central Nervous System (CNS) depressants, including alcohol, are a major cause of drug-related deaths. Fatalities within the first hour of overdosage are not uncommon. Tramadol should not be taken in doses higher than those recommended by the physician. The judicious prescribing of tramadol is essential to the safe use of this drug. With patients who are depressed or suicidal, consideration should be given to the use of non-narcotic analgesics. Patients should be cautioned about the concomitant use of tramadol products and alcohol because of potentially serious CNS-additive effects of these agents. Because of its added depressant effects, tramadol should be prescribed with caution for those patients whose medical condition requires the concomitant administration of sedatives, tranquilizers, muscle relaxants, antidepressants, or other CNS-depressant drugs. Patients should be advised of the additive depressant effects of these combinations.
Many of the tramadol-related deaths have occurred in patients with previous histories of emotional disturbances or suicidal ideation or attempts as well as histories of misuse of tranquilizers, alcohol, and other CNS-active drugs. Some deaths have occurred as a consequence of the accidental ingestion of excessive quantities of tramadol alone or in combination with other drugs. Patients taking tramadol should be warned not to exceed the dose recommended by their physician.Anaphylactoid Reactions
Serious and rarely fatal anaphylactoid reactions have been reported in patients receiving therapy with tramadol. When these events do occur, it is often following the first dose. Other reported allergic reactions include pruritus, hives, bronchospasm, angioedema, toxic epidermal necrolysis and Stevens-Johnson syndrome. Patients with a history of anaphylactoid reactions to other opioids may be at increased risk and therefore should not receive RYZOLT™ (See CONTRAINDICATIONS).Respiratory Depression
RYZOLT™ should be administered cautiously in patients at risk for respiratory depression. In these patients, alternative non-opioid analgesics should be considered. When large doses of tramadol are administered with anesthetic medications or alcohol, respiratory depression may result. Respiratory depression should be treated as an overdose. If naloxone is to be administered, use cautiously because it may precipitate seizures (See WARNINGS, Seizure Risk and OVERDOSAGE).Interaction with Central Nervous System (CNS) Depressants
RYZOLT™ should be used with caution and in reduced dosages when administered to patients receiving CNS depressants such as alcohol, opioids, anesthetic agents, narcotics, phenothiazines, tranquilizers or sedative hypnotics. Tramadol increases the risk of CNS and respiratory depression in these patients.Increased Intracranial Pressure or Head Trauma
RYZOLT™ should be used with caution in patients with increased intracranial pressure or head injury. The respiratory depressant effects of opioids include carbon dioxide retention and secondary elevation of cerebrospinal fluid pressure, and may be markedly exaggerated in these patients. Additionally, pupillary changes (miosis) from tramadol may obscure the existence, extent, or course of intracranial pathology. Clinicians should also maintain a high index of suspicion for adverse drug reaction when evaluating altered mental status in these patients if they are receiving RYZOLT™ (See Respiratory Depression).Use in Ambulatory Patients
RYZOLT™ may impair the mental and physical abilities required for the performance of potentially hazardous tasks such as driving a car or operating machinery. Patients using this drug should be cautioned accordingly.Use with MAO Inhibitors and Serotonin Re-uptake Inhibitors
RYZOLT™ should be used with great caution in patients taking MAO inhibitors. Animal studies have shown increased deaths with combined administration of tramadol and MAO inhibitors. Concomitant use of tramadol products with MAO inhibitors or SSRIs increases the risk of adverse events, including seizure and serotonin syndrome.Withdrawal
Withdrawal symptoms may occur if RYZOLT™is discontinued abruptly. These symptoms may include: anxiety, sweating, insomnia, rigors, pain, nausea, tremors, diarrhea, upper respiratory symptoms, piloerection, and rarely hallucinations.
In a 12 week study, 325 patients were followed for 3 and 7 days after discontinuation of treatment with RYZOLT™. The majority of reported post-treatment adverse events including withdrawal symptoms were mild to moderate in nature. Onset of the post-treatment adverse events occurred more frequently within the first three days after treatment was stopped. Less than 1% of patients taking RYZOLT™ met the DSM-IV criteria for a diagnosis of opioid withdrawal.
Clinical experience suggests that signs and symptoms of withdrawal may be reduced by tapering medication when discontinuing tramadol therapy.Misuse, Abuse and Diversion of Opioids
Tramadol is an opioid agonist of the morphine type. Such drugs are sought by drug abusers and people with addiction disorders and are subject to criminal diversion.
Like other opioid agonists, legal or illicit, tramadol can be abused. This should be considered when prescribing or dispensing RYZOLT™in situations where the healthcare professional is concerned about a risk of misuse, abuse, or diversion.
RYZOLT™ could be abused by breaking, crushing, chewing, or dissolving the product which can result in the uncontrolled delivery of the opioid, and as a consequence poses a significant risk of overdose and death.
Concerns about abuse, addiction, and diversion should not prevent the proper management of pain.
Healthcare professionals should contact their State Professional Licensing Board or State Controlled Substances Authority for information on how to prevent and detect abuse or diversion of this product.
Interactions with Alcohol and Drugs of Abuse
Tramadol may be expected to have additive effects when used in conjunction with alcohol, other opioids or drugs, whether legal or illicit, which cause central nervous system depression.Drug Abuse and Addiction Abuse
RYZOLT™ is a mu-agonist opioid. Tramadol, like other opioids used in analgesia, can be abused and is subject to criminal diversion.
Addiction is a primary, chronic, neurobiologic disease, with genetic, psychosocial, and environmental factors influencing its development and manifestations. It is characterized by behaviors that include one or more of the following: impaired control over drug use, compulsive use, continued use despite harm, and craving. Drug addiction is a treatable disease, utilizing a multidisciplinary approach, but relapse is common.
Concerns about abuse and addiction should not prevent the proper management of pain. However all patients treated with opioids require careful monitoring for signs of abuse and addiction, because use of opioid analgesic products carries the risk of addiction even under appropriate medical use.
“Drug-seeking” behavior is very common in addicts and drug abusers. Drug-seeking tactics include emergency calls or visits near the end of office hours, refusal to undergo appropriate examination, testing or referral, repeated “loss” of prescriptions, tampering with prescriptions and reluctance to provide prior medical records or contact information for other treating physician(s). “Doctor shopping” to obtain additional prescriptions is common among drug abusers and people suffering from untreated addiction.
Abuse and addiction are separate and distinct from physical dependence and tolerance. Physicians should be aware that addiction may not be accompanied by concurrent tolerance and symptoms of physical dependence in all addicts. In addition, abuse of opioids can occur in the absence of true addiction and is characterized by misuse for non-medical purposes, often in combination with other psychoactive substances. RYZOLT™, like other opioids, may be diverted for non-medical use. Careful record-keeping of prescribing information, including quantity, frequency, and renewal requests is strongly advised.
Proper assessment of the patient, proper prescribing practices, periodic re-evaluation of therapy, and proper dispensing and storage are appropriate measures that help to limit abuse of opioid drugs.
RYZOLT™ is intended for oral use only. The crushed tablet poses a hazard of overdose and death. This risk is increased with concurrent abuse of alcohol and other substances. With parenteral abuse, the tablet excipients can be expected to result in local tissue necrosis, infection, pulmonary granulomas, and increased risk of endocarditis and valvular heart injury. Parenteral drug abuse is commonly associated with transmission of infectious diseases such as hepatitis and HIV.Dependence
Tolerance is the need for increasing doses of opioids to maintain a defined effect such as analgesia (in the absence of disease progression or other external factors). Physical dependence is manifested by withdrawal symptoms after abrupt discontinuation of a drug or upon administration of an antagonist.
The opioid abstinence or withdrawal syndrome is characterized by some or all of the following: restlessness, lacrimation, rhinorrhea, yawning, perspiration, chills, myalgia, and mydriasis. Other symptoms also may develop, including irritability, anxiety, backache, joint pain, weakness, abdominal cramps, insomnia, nausea, anorexia, vomiting, diarrhea, or increased blood pressure, respiratory rate, or heart rate. Generally, tolerance and/or withdrawal are more likely to occur the longer a patient is on continuous opioid therapy.Risk of Overdosage
Serious potential consequences of overdosage with RYZOLT™ are central nervous system depression, respiratory depression and death. In treating an overdose, primary attention should be given to maintaining adequate ventilation along with general supportive treatment (See OVERDOSAGE).
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Indications and Usage
RYZOLT™ is indicated for the management of moderate to moderately severe chronic pain in adults who require around-the-clock treatment of their pain for an extended period of time.
There is currently no drug history available for this drug.
(tramadol hydrochloride extended-release tablets) DescriptionRYZOLT™ (tramadol hydrochloride extended-release tablets) is a centrally acting analgesic composed of a dual-matrix delivery system with both immediate-release and extended-release characteristics. The chemical name for tramadol hydrochloride is (±) cis-2-[(dimethylamino) methyl]-1-(3-methoxyphenyl) cyclohexanol hydrochloride. Its structural formula is:
The molecular weight of tramadol hydrochloride is 299.8. Tramadol hydrochloride is a white crystalline powder that is freely soluble in water and ethanol. RYZOLT™ extended-release tablets are for oral administration and contain 100 mg, 200 mg or 300 mg of tramadol hydrochloride. The tablets are white to off-white in color. The inactive ingredients in the tablet are colloidal silicon dioxide, pregelatinized modified starch, hydrogenated vegetable oil, magnesium stearate, polyvinyl acetate, povidone, sodium lauryl sulfate and xanthan gum.
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