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Serdexmethylphenidate Side Effects

The most commonly reported side effects of serdexmethylphenidate include therapeutic response shortened, anxiety, and headache, based on 616 FDA adverse event reports from 2021 to 2025. 12.3% of reports found the drug to be ineffective.

Serdexmethylphenidate side effects

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

1
Drug Ineffective12.3%76
2
Therapeutic Response Shortened8.0%49
3
Anxiety6.3%39
4
Headache5.8%36
5
Insomnia5.7%35
6
Irritability4.9%30
7
Decreased Appetite4.2%26
8
Nausea4.1%25
9
Fatigue3.7%23
10
Disturbance In Attention3.7%23
11
Product Dose Omission Issue3.4%21
12
Heart Rate Increased3.1%19
13
Anger3.1%19
14
Suicidal Ideation3.1%19
15
Depression2.9%18

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

Report severity

15.4%Serious95 reports
4.1%Hospitalizations25 reports
0.0%Fatal0 reports

Seriousness is determined by the reporter, not by OpenClaim.

Serdexmethylphenidate drug interactions

Other drugs that appear in adverse event reports alongside serdexmethylphenidate. 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
Dexmethylphenidate-hydrochloride90.3%556
2
Sodium-oxybate2.3%14
3
Dupilumab1.5%9
4
Calcium-oxybate1.1%7
5
Magnesium-oxybate1.1%7
6
Potassium-oxybate1.1%7
7
Methylphenidate1.0%6
8
Lisdexamfetamine-dimesylate0.8%5
9
Esketamine-hydrochloride0.8%5
10
Dextromethorphan0.3%2
11
Viloxazine-hydrochloride0.3%2
12
Somatropin0.3%2
13
Lorazepam0.3%2
14
Dextroamphetamine0.3%2
15
Vamorolone0.3%2

Taken alongside

1
Dexmethylphenidate-hydrochloride10.6%65
2
Fluoxetine-hydrochloride3.4%21
3
Sertraline-hydrochloride2.8%17
4
Guanfacine-hydrochloride2.6%16
5
Ergocalciferol2.6%16
6
Buspirone-hydrochloride2.4%15
7
Bupropion2.3%14
8
Aripiprazole1.9%12
9
Escitalopram-oxalate1.8%11
10
Clonazepam1.6%10
11
Lamotrigine1.6%10
12
Methylphenidate1.5%9
13
Fluticasone1.5%9
14
Ethinyl-estradiol1.3%8
15
Levothyroxine-sodium1.3%8

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 serdexmethylphenidate side effects

24.7% of serdexmethylphenidate adverse event reports involve female patients and 24.2% involve male patients. The largest age group is adult at 44%. These figures reflect who reports side effects, not underlying risk.

Sex

Female24.7%
Male24.2%
Unknown51.1%

Age group

< 20.4%
2–1131.6%
12–1724.4%
18–6443.6%
65+0.0%

What is serdexmethylphenidate used for

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

Affective DisorderAmnesiaAnxietyAstheniaAttention Deficit Hyperactivity DisorderCentral Nervous System StimulationDyslexiaMemory ImpairmentNarcolepsyObsessive-compulsive DisorderPost-traumatic Stress DisorderProduct Used For Unknown Indication

Serdexmethylphenidate brand names and reporting trend

Quarterly reports (20212025)

202220242025

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

Taking serdexmethylphenidate with another medication?

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