Reaction

Electroencephalogram Abnormal reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 3,115 reports · 100 co-occurring drugs

As of the last recalculation, Electroencephalogram Abnormal appears in 3,115 FAERS reports alongside 100 co-occurring drug terms. The strongest observed disproportionality signal is VALPROATE SODIUM (PRR 43.8).

Important: FAERS is a spontaneous, voluntary, unverified reporting system. PRR and ROR identify reporting patterns for investigation; they are not incidence rates and do not establish causation.

Drug	Co-reports	PRR	ROR
Valproate Sodium	130	43.8	44.1
Sevoflurane	43	35.0	35.2
Phenytoin	88	29.0	29.1
Midazolam Hydrochloride	104	26.7	26.8
Zonisamide	55	25.3	25.4
Midazolam	91	24.8	24.9
Oxcarbazepine	113	24.1	24.1
Carbamazepine	220	23.5	23.6
Phenobarbital	49	22.9	23.0
Valproic Acid	104	22.8	22.9
Levetiracetam In Sodium Chloride	238	22.1	22.2
Levetiracetam Oral	238	22.1	22.2
Levetiracetam Injection	238	22.1	22.2
Clobazam	76	21.3	21.4
Vigabatrin	42	19.5	19.6
Lacosamide	104	19.3	19.3
Lithium Carbonate	48	19.2	19.2
Levetiracetam	317	17.5	17.6
Propofol	90	16.9	17.0
Magnesium Sulfate In Water For	32	16.9	16.9
Magnesium Sulfate Heptahydrate	32	16.6	16.6
Magnesium Sulfate	32	16.5	16.6
Lamotirigine	152	14.9	14.9
Lamotrigine Extended-Release	152	14.9	14.9
Lamotrigine Chewable Dispersible	152	14.9	14.9
Cenobamate	17	13.7	13.7
Brivaracetam	18	13.4	13.5
Lamotrigine	230	12.5	12.5
Haloperidol	43	12.0	12.0
Haloperidol Lactate	43	11.8	11.8
Rocuronium Bromide	20	11.4	11.4
Extended Phenytoin Sodium	28	11.3	11.3
Baclofen	136	11.0	11.0
Cefazolin	13	9.6	9.6
Cefepime	20	9.4	9.4
Primidone	14	9.2	9.2
Zidovudine	18	9.0	9.1
Cefepime Hydrochloride	21	8.8	8.8
Diazepam Oral	111	8.6	8.6
Diazepam Oral Solution (Concentrate)	110	8.5	8.5
Divalproex Sodium	56	8.2	8.2
Axicabtagene Ciloleucel	12	8.2	8.2
Olanzapine Pamoate	49	8.1	8.1
Clozapine	145	8.0	8.1
Topiramate	106	7.8	7.8
Diazepam	137	7.8	7.8
Lithium	29	7.7	7.8
Lithium Bromatum	29	7.7	7.8
Aripiprazole Oral	47	7.7	7.7
Aripiprazole Orally Disintegrating	47	7.7	7.7
Olanzapine	117	7.5	7.5
Cefazolin Sodium	13	7.2	7.2
Dextrose	14	7.1	7.1
Dextrose Monohydrate	14	7.0	7.0
Atomoxetine Hydrochloride	24	6.8	6.8
Tranexamic Acid	9	6.8	6.8
Tolterodine Tartrate	9	6.7	6.7
Risperidone	123	6.4	6.4
Paroxetine Hydrochloride Hemihydrate	31	6.3	6.3
Cimetidine	9	6.3	6.3
Paroxetine	31	6.1	6.1
Clonazepam	134	5.8	5.8
Mesna Injection	7	5.7	5.7
Mesna	7	5.6	5.6
Meropenem	25	5.2	5.2
Drs. Clotrimazole	9	5.2	5.2
Family Wellness Clotrimazole	9	5.2	5.2
Clotrimazole Topical	9	5.2	5.2
Clotrimazole	9	4.9	4.9
Paroxetine Hydrochloride	65	4.9	4.9
Quetiapine Fumarate	21	4.8	4.8
Ceftriaxone Sodium	27	4.7	4.7
Mirtazapine	63	4.7	4.7
Vincristine Sulfate	20	4.6	4.6
Aripiprazole	81	4.5	4.5
Lopinavir And Ritonavir	9	4.4	4.4
Pegaspargase	8	4.4	4.4
Guanfacine	5	4.3	4.3
Methylphenidate Hydrochloride	37	4.2	4.2
Cytarabine	36	4.0	4.0
Donepezil Hydrochloride	22	4.0	4.0
Methadone	25	3.9	3.9
Ceftriaxone	19	3.9	3.9
Modafinil	18	3.7	3.7
Atazanavir	8	3.7	3.7
Fingolimod Hcl	43	3.4	3.4
Amphetamine	4	3.2	3.2
Blinatumomab	5	3.2	3.2
Ifosfamide	10	3.1	3.1
Oseltamivir Phosphate	11	3.0	3.0
Nevirapine	4	3.0	3.0
Rotigotine	6	2.8	2.8
Temozolomide	8	2.5	2.5
Brexpiprazole	6	2.4	2.4
Cannabidiol	8	2.3	2.3
Lurasidone Hydrochloride	7	2.2	2.2
Alteplase	5	2.2	2.2
Cariprazine	3	2.2	2.2
Paricalcitol	4	1.9	1.9
Droxidopa	3	0.9	0.9

Related reactions

Data source: openFDA FAERS. See the OpenPV methodology and limitations.