OpenClaim

Divalproex Side Effects

The most commonly reported side effects of divalproex include seizure, off label use, and fatigue, based on 49,344 FDA adverse event reports from 2004 to 2025. 5.3% of reports found the drug to be ineffective.

Divalproex side effects

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

1
Seizure5.5%2,706
2
Drug Ineffective5.3%2,621
3
Off Label Use4.1%2,002
4
Fatigue3.2%1,556
5
Nausea3.1%1,518
6
Fall2.9%1,434
7
Pain2.9%1,410
8
Somnolence2.8%1,376
9
Weight Increased2.7%1,329
10
Anxiety2.4%1,205
11
Tremor2.4%1,203
12
Drug Interaction2.3%1,159
13
Convulsion2.3%1,155
14
Vomiting2.3%1,139
15
Diarrhoea2.3%1,133

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

Report severity

67.7%Serious33,420 reports
33.1%Hospitalizations16,331 reports
5.9%Fatal2,903 reports

Seriousness is determined by the reporter, not by OpenClaim.

Divalproex drug interactions

Other drugs that appear in adverse event reports alongside divalproex. 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
Quetiapine-fumarate7.7%3,800
2
Olanzapine5.4%2,689
3
Clozapine5.3%2,594
4
Risperidone4.7%2,309
5
Aripiprazole4.5%2,241
6
Lamotrigine3.0%1,485
7
Levetiracetam2.6%1,299
8
Sodium-oxybate2.1%1,059
9
Paliperidone2.0%997
10
Cannabidiol1.9%957
11
Clonazepam1.5%747
12
Topiramate1.5%724
13
Gabapentin1.4%708
14
Adalimumab1.4%697
15
Carbamazepine1.4%696

Taken alongside

1
Acetaminophen9.0%4,423
2
Clonazepam8.8%4,359
3
Levothyroxine-sodium8.7%4,305
4
Gabapentin7.1%3,479
5
Quetiapine-fumarate7.0%3,432
6
Aspirin6.3%3,117
7
Lorazepam6.3%3,091
8
Ergocalciferol6.2%3,079
9
Albuterol5.9%2,902
10
Trazodone-hydrochloride5.8%2,843
11
Risperidone5.7%2,793
12
Omeprazole5.3%2,606
13
Sertraline-hydrochloride5.2%2,573
14
Atorvastatin-calcium5.2%2,555
15
Metformin5.1%2,500

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 divalproex side effects

46.8% of divalproex adverse event reports involve female patients and 44.1% involve male patients. The largest age group is adult at 74%. These figures reflect who reports side effects, not underlying risk.

Sex

Female46.8%
Male44.1%
Unknown9.2%

Age group

< 21.3%
2–114.8%
12–174.5%
18–6473.7%
65+15.7%

What is divalproex used for

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

Abdominal PainAbnormal BehaviourAcquired Epileptic AphasiaAcquired Immunodeficiency SyndromeAcute Myeloid LeukaemiaAcute PsychosisAdhdAdjustment Disorder With Mixed Anxiety And Depressed MoodAdverse Drug ReactionAdverse EventAffect LabilityAffective DisorderAggressionAgitationAgoraphobia

Showing 15 of 694 indications

Divalproex brand names and reporting trend

Divalproex is sold under the brand name Depakote.

Brand names

Depakote15,669

Quarterly reports (20042025)

20052010201520202025

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

Taking divalproex with another medication?

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