Lisdexamfetamine
Lethal interactions
Specific substances
- Tramadollethal
By drug class
- MAOIslethal6 mechanismsconfidence high
Dangerous interactions
33 dangerous interactions recorded for this substance.
See the full interactions tableContraindications
Cardiovascular
- structural cardiac abnormalitiesabsolute
Includes cardiomyopathy, serious cardiac arrhythmias, coronary artery disease, and other structural heart defects. FDA prescribing information lists as absolute contraindication.
- moderate-to-severe hypertensionabsolute
FDA prescribing information lists as contraindication. Blood pressure must be assessed before initiation and monitored during treatment.
Neurological
- tic disordersrelative
Pre-existing tic disorders including Tourette syndrome are a relative contraindication. Monitor for tic emergence or worsening.
- seizure disordersrelative
Patients with epilepsy or history of seizures should be monitored. Risk is dose-dependent and increases at supratherapeutic doses.
Psychiatric
- bipolar disorderrelative
Undiagnosed or comorbid bipolar disorder increases risk of treatment-emergent mania. Psychiatric screening recommended before initiation.
- psychotic disordersrelative
Personal or family history of psychosis is a relative contraindication. Screening recommended before initiation. New-onset psychotic symptoms documented in post-marketing surveillance.
- agitated statesabsolute
FDA prescribing information lists as contraindication.
Metabolic
- hyperthyroidismabsolute
FDA prescribing information lists as contraindication due to additive sympathomimetic activation.
Pregnancy & Breastfeeding
- pregnancyrelative
Use during pregnancy only if potential benefit justifies potential risk to the fetus. Limited human data available.
Other
- hypersensitivity to amphetamine productsabsolute
Standard drug allergy contraindication per FDA prescribing information.
- MAOI use (current or within 14 days)absolute
Absolute contraindication per FDA prescribing information. A 14-day washout period is required after MAOI discontinuation before initiating LDX. Case report documents hypertensive emergency with ST-elevation MI from MAOI + amphetamine combination.
- glaucomaabsolute
FDA prescribing information lists as contraindication. Applies specifically to narrow-angle (angle-closure) glaucoma.