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Lisdexamfetamine Side Effects

The most commonly reported side effects of lisdexamfetamine include fatigue, anxiety, and headache, based on 34,012 FDA adverse event reports from 2004 to 2025. 13.1% of reports found the drug to be ineffective.

Lisdexamfetamine side effects

Percentages show how often each reaction appears relative to total reports for lisdexamfetamine.

1
Drug Ineffective13.1%4,453
2
Fatigue5.6%1,895
3
Anxiety5.0%1,715
4
Headache4.7%1,594
5
Off Label Use4.6%1,568
6
Product Availability Issue4.6%1,559
7
Nausea4.2%1,436
8
Product Use Issue3.9%1,316
9
Depression3.8%1,309
10
Feeling Abnormal3.8%1,277
11
No Adverse Event3.5%1,182
12
Insomnia3.5%1,179
13
Intentional Overdose3.4%1,141
14
Disturbance In Attention3.2%1,105
15
Product Quality Issue3.2%1,098

These are voluntary reports and do not establish that lisdexamfetamine caused these reactions.

Report severity

42.7%Serious14,512 reports
12.8%Hospitalizations4,367 reports
2.0%Fatal680 reports

Seriousness is determined by the reporter, not by OpenClaim.

Lisdexamfetamine drug interactions

Other drugs that appear in adverse event reports alongside lisdexamfetamine. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Sodium-oxybate10.1%3,445
2
Dextroamphetamine4.0%1,375
3
Amphetamine3.9%1,312
4
Methylphenidate2.7%930
5
Aripiprazole2.0%689
6
Dupilumab1.9%648
7
Quetiapine-fumarate1.4%464
8
Bupropion1.3%458
9
Sertraline-hydrochloride1.3%455
10
Adalimumab1.2%418
11
Fluoxetine-hydrochloride1.1%371
12
Guanfacine-hydrochloride1.0%333
13
Buprenorphine1.0%325
14
Calcium-oxybate0.9%322
15
Magnesium-oxybate0.9%322

Taken alongside

1
Ergocalciferol6.8%2,318
2
Dextroamphetamine6.8%2,306
3
Amphetamine6.2%2,119
4
Acetaminophen6.0%2,042
5
Bupropion5.1%1,733
6
Levothyroxine-sodium4.7%1,605
7
Albuterol4.6%1,573
8
Gabapentin4.1%1,390
9
Fluticasone4.1%1,385
10
Clonazepam4.0%1,354
11
Ibuprofen3.7%1,244
12
Omeprazole3.6%1,233
13
Duloxetine-hydrochloride3.6%1,228
14
Sertraline-hydrochloride3.6%1,214
15
Fluoxetine-hydrochloride3.5%1,185

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports lisdexamfetamine side effects

50.6% of lisdexamfetamine adverse event reports involve female patients and 34.9% involve male patients. The largest age group is adult at 65%. These figures reflect who reports side effects, not underlying risk.

Sex

Female50.6%
Male34.9%
Unknown14.5%

Age group

< 20.5%
2–1116.0%
12–1716.4%
18–6464.6%
65+2.6%

What is lisdexamfetamine used for

Conditions and purposes for which patients were taking lisdexamfetamine when the adverse event was reported.

Abdominal PainAbnormal BehaviourAccidental Drug Intake By ChildAccidental ExposureAccidental Exposure To ProductAccidental Exposure To Product By ChildAcneAddAdhdAdjustment DisorderAdverse Drug ReactionAffective DisorderAggressionAmnesiaAnalgesic Therapy

Showing 15 of 368 indications

Lisdexamfetamine brand names and reporting trend

Lisdexamfetamine is sold under the brand name Arynta.

Brand names

Arynta8,073

Quarterly reports (20042025)

20052010201520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking lisdexamfetamine with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.