Complete adverse effect profile including incidence rates and management
Important Safety Information
This is not a complete list of all possible side effects. Contact your healthcare provider if you experience any unexpected symptoms. For serious or life-threatening side effects, seek emergency medical attention immediately.
6 ADVERSE REACTIONS The following adverse reactions are discussed in greater detail in other sections of the labeling: • Abuse, Misuse, and Addiction [see Boxed Warning, Warnings and Precautions ( 5.1 ), Drug Abuse and Dependence ( 9.2 , 9.3 )] • Hypersensitivity to amphetamine products or other ingredients of methamphetamine hydrochloride tablets [see Contraindications ( 4 )] • Hypertensive Crisis When Used Concomitantly with Monoamine Oxidase Inhibitors [see Contraindications ( 4 ), Drug Interactions ( 7.1 )] • Risks to Patient with Serious Cardiac Disease [see Warnings and Precautions ( 5.2 )] • Increased Blood Pressure and Heart Rate [see Warnings and Precautions ( 5.3 )] • Psychiatric Adverse Reactions [see Warnings and Precautions ( 5.4 )] • Long-Term Suppression of Growth in Pediatric Patients [see Warnings and Precautions ( 5.5 )] • Peripheral Vasculopathy, including Raynaud’s Phenomenon [see Warnings and Precautions ( 5.6 )] • Seizures [see Warnings and Precautions ( 5.7 )] • Serotonin Syndrome [see Warnings and Precautions ( 5.8 )] • Motor and Verbal Tics, and Worsening of Tourette’s Syndrome [see Warnings and Precautions ( 5.9 )] The following adverse reactions associated with the use of methamphetamine hydrochloride tablets were identified in clinical trials or postmarketing reports.
Because these reactions were reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Cardiovascular: Elevation of blood pressure, tachycardia and palpitation.
Fatal cardiorespiratory arrest has been reported, mostly in the context of abuse/misuse Central Nervous System: Psychotic episodes reported at recommended doses.
Dizziness, dysphoria, overstimulation, euphoria, insomnia, tremor, restlessness and headache.
Exacerbation of motor and verbal tics and Tourette’s syndrome Gastrointestinal: Diarrhea, constipation, dryness of mouth, unpleasant taste, intestinal ischemia, and other gastrointestinal disturbances Hypersensitivity: Urticaria Endocrine: Impotence and changes in libido;
frequent or prolonged erections Musculoskeletal: Rhabdomyolysis Metabolism and Nutrition Disorders: Suppression of growth has been reported with the long-term use of stimulants in pediatric patients Skin and Subcutaneous Tissue Disorders: Alopecia The following additional adverse reactions have been identified during post approval use of amphetamines: Allergic: Rash, hypersensitivity reactions, including angioedema and anaphylaxis.
Serious skin rashes, including Stevens-Johnson syndrome and toxic epidermal necrolysis have been reported.
Cardiovascular: Dyspnea, sudden death, myocardial infarction.
There have been isolated reports of cardiomyopathy associated with chronic amphetamine use Central Nervous System: dyskinesia, fatigue, aggression, anger, logorrhea, dermatillomania, and paresthesia (including formication) Eye Disorders: Mydriasis Vascular Disorders: Raynaud’s phenomenon Common adverse reactions include: palpitation, dizziness, insomnia, tremor, headache, diarrhea, dryness of mouth.
5 WARNINGS AND PRECAUTIONS • Risks to Patients with Serious Cardiac Disease: Avoid use in patients with known structural cardiac abnormalities, cardiomyopathy, serious cardiac arrhythmias, coronary artery disease, or other serious cardiac disease.
( 5.2 ) • Increased Blood Pressure and Heart Rate: Monitor blood pressure and pulse.
( 5.3 ) • Psychiatric Adverse Reactions: Prior to initiating methamphetamine hydrochloride tablets, screen patients for risk factors for developing a manic episode.
If new psychotic or manic symptoms occur, consider discontinuing methamphetamine hydrochloride tablets.
( 5.4 ) • Long-Term Suppression of Growth in Pediatric Patients: Closely monitor growth (height and weight) in pediatric patients.
Like all medications, Methamphetamine Hydrochloride can cause side effects. However, not everyone who takes this medication will experience them. Many side effects are dose-dependent and may improve as your body adjusts to the medication. Others may require dose adjustment or medical attention.
Contact your healthcare provider promptly if you experience:
Seek immediate emergency medical care if you experience signs of: