Reaction

Behaviour Disorder reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 5,237 reports · 175 co-occurring drugs

As of the last recalculation, Behaviour Disorder appears in 5,237 FAERS reports alongside 175 co-occurring drug terms. The strongest observed disproportionality signal is BRIVARACETAM (PRR 53.3).

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
Brivaracetam	118	53.3	54.0
Valproate Sodium	260	52.6	53.2
Clobazam	253	43.2	43.7
Elexacaftor, Tezacaftor, And Ivacaftor	91	29.5	29.7
Guanfacine	54	27.5	27.7
Levetiracetam In Sodium Chloride	441	24.6	24.7
Levetiracetam Oral	441	24.6	24.7
Levetiracetam Injection	441	24.6	24.7
Cannabidiol	141	24.6	24.7
Valproic Acid	174	22.7	22.8
Zonisamide	81	22.1	22.2
Levetiracetam	595	19.8	19.9
Lacosamide	176	19.4	19.5
Cenobamate	37	17.7	17.8
Phenobarbital	61	16.9	17.0
Oxcarbazepine	103	12.8	12.9
Ropinirole	49	12.8	12.8
Oxazepam	67	12.5	12.6
Lamotirigine	199	11.4	11.5
Lamotrigine Extended-Release	199	11.4	11.5
Lamotrigine Chewable Dispersible	199	11.4	11.5
Lithium	70	11.2	11.2
Lithium Bromatum	70	11.2	11.2
Aripiprazole Oral	111	10.9	10.9
Aripiprazole Orally Disintegrating	111	10.9	10.9
Magnesium Sulfate In Water For	34	10.6	10.7
Ethyl Alcohol	71	10.5	10.5
Magnesium Sulfate Heptahydrate	34	10.4	10.5
Magnesium Sulfate	34	10.4	10.4
Haloperidol Lactate	62	10.1	10.1
Memantine	33	9.6	9.7
Memantine Hydrochloride	33	9.6	9.7
Midazolam	60	9.6	9.6
Midazolam Hydrochloride	63	9.4	9.4
Haloperidol	56	9.2	9.3
Divalproex Sodium	105	9.1	9.1
Ivacaftor	18	9.0	9.1
Polyethylene Glycol 400	27	8.5	8.5
Lamotrigine	265	8.4	8.4
Instalax Polyethylene Glycol 3350	26	8.4	8.4
Isopropyl Alcohol	70	8.3	8.3
Hydrocodone Bitartrate And Acetaminophen	113	8.1	8.1
Pramipexole	30	7.8	7.8
Melatonin	105	7.8	7.8
Pimavanserin Tartrate	106	7.8	7.8
Risperidone	243	7.6	7.6
Diazepam Oral Solution (Concentrate)	163	7.5	7.5
Diazepam Oral	163	7.5	7.5
Alcohol	72	7.5	7.5
Methylphenidate Hydrochloride	106	7.2	7.2
Rivastigmine	34	7.2	7.2
Phytonadione	15	7.0	7.1
Diazepam	207	7.0	7.0
Carbamazepine	115	7.0	7.0
Donepezil Hydrochloride	63	6.9	6.9
Olanzapine	175	6.7	6.7
Topiramate	151	6.6	6.6
Escitslopram	94	6.5	6.5
Rasagiline Mesylate	18	6.4	6.5
Dronabinol	13	6.4	6.4
Aripiprazole	188	6.3	6.3
Atropine Sulfate	17	6.3	6.3
Levodopa	19	6.3	6.3
Amantadine	24	6.2	6.2
Buspirone Hydrochloride	17	6.1	6.1
Paroxetine Hydrochloride Hemihydrate	51	6.1	6.1
Quetiapine	281	6.1	6.1
Paroxetine	51	6.0	6.0
Cariprazine	14	6.0	6.0
Methadone	63	5.9	5.9
Temazepam	55	5.8	5.9
Clozapine	177	5.8	5.8
Vigabatrin	21	5.7	5.8
Carbidopa And Levodopa	67	5.7	5.7
Escitalopram Oxalate	102	5.7	5.7
Lisdexamfetamine Dimesylate	46	5.6	5.6
Quetiapine Fumarate	40	5.4	5.4
Atropine	11	5.3	5.3
Oxycodone Hydrochloride	270	5.2	5.2
Lumacaftor And Ivacaftor	11	5.1	5.1
Methylphenidate	37	5.1	5.1
Clonazepam	197	5.0	5.0
Lithium Carbonate	21	4.9	4.9
Montelukast	102	4.9	4.9
Mirtazapine	107	4.7	4.7
Tramadol Hydrochloride	44	4.7	4.7
Paliperidone	27	4.6	4.6
Thiamine Hydrochloride	14	4.5	4.5
Methadone Hydrochloride	12	4.4	4.4
Rotigotine	16	4.4	4.4
Efavirenz	12	4.3	4.3
Venlafaxine	75	4.2	4.2
Everolimus Tablets	17	4.0	4.0
Darunavir	15	4.0	4.0
Fluticasone Furoate	12	3.9	3.9
Primidone	10	3.9	3.9
Zidovudine	13	3.9	3.9
Clonidine	49	3.8	3.8
Phenytoin	20	3.8	3.8
Hydromorphone Hydrochloride	87	3.8	3.8
Paliperidone Palmitate	30	3.7	3.7
Lorazepam	163	3.7	3.7
Vemurafenib	11	3.6	3.6
Lidicaine	44	3.6	3.6
Burn Relief	44	3.6	3.6
Lidocaine Hydrochloride And Epinephrine	44	3.6	3.6
Elvitegravir, Cobicistat, Emtricitabine, And Tenofovir Alafenamide	9	3.6	3.6
Lidocaine, Menthol	44	3.5	3.5
Hydroxyzine	42	3.5	3.5
Ritonavir 100 Mg	13	3.5	3.5
Escitalopram	120	3.5	3.5
Dornase Alfa	17	3.5	3.5
Sertraline	99	3.4	3.4
Ketoprofen	11	3.3	3.3
Duloxetine	58	3.3	3.3
Lidocaine Hydrochloride And Epinephrine Bitartrate	44	3.3	3.3
Polyethylene Glycol 3350	78	3.3	3.3
Lidocaine 4%	44	3.2	3.2
Amitriptyline Hydrochloride	14	3.2	3.2
Pregabalin	208	3.1	3.1
Modafinil	25	3.1	3.1
Lidocaine	45	3.1	3.1
Morphine Sulfate	93	3.1	3.1
Lurasidone Hydrochloride	16	3.0	3.0
Nebivolol	12	3.0	3.0
Buprenorphine Hydrochloride, Naloxone Hydrochloride	18	3.0	3.0
Paroxetine Hydrochloride	66	2.9	2.9
Cladribine	7	2.9	2.9
Amphetamine	6	2.9	2.9
Abacavir Sulfate	7	2.9	2.9
Amphotericin B	9	2.9	2.9
Fluoxetine	47	2.8	2.8
Fentanyl	69	2.8	2.8
Tamsulosin Hydrochloride	14	2.7	2.7
Oxycodone	123	2.7	2.7
Buprenorphine	60	2.6	2.6
Posaconazole Delayed-Release	7	2.5	2.5
Lamivudine Oral	16	2.5	2.5
Leucovorin Calcium	12	2.5	2.5
Brentuximab Vedotin	6	2.3	2.3
Ritonavir	17	2.3	2.3
Dextroamphetamine Sulfate, Dextroamphetamine Saccharate, Amphetamine Sulfate And Amphetamine Aspartate	24	2.3	2.3
Oxybutynin Chloride	5	2.3	2.3
Atomoxetine Hydrochloride	13	2.2	2.2
Brexpiprazole	9	2.2	2.2
Dextroamphetamine Saccharate, Amphetamine Aspartate, Dextroamphetamine Sulfate, And Amphetamine Sulfate	19	2.1	2.1
Lutetium Lu 177 Vipivotide Tetraxetan	7	2.1	2.1
Vortioxetine	9	2.1	2.1
Bendamustine Hcl	8	2.1	2.1
Azelastine	9	2.0	2.0
Fondaparinux Sodium	4	2.0	2.0
Dapagliflozin	15	1.9	1.9
Isotretinoin	23	1.9	1.9
Suvorexant	6	1.8	1.8
Alpelisib	4	1.8	1.8
Teduglutide	6	1.8	1.8
Oxycodone And Acetaminophen	10	1.7	1.7
Timolol	5	1.6	1.6
Fluorouracil Cream, 0.5%	31	1.6	1.6
Asfotase Alfa	4	1.6	1.6
Somatropin	29	1.6	1.6
Sevoflurane	3	1.4	1.4
Valbenazine	9	1.4	1.4
Naltrexone	11	1.4	1.4
Hydrocodone Bitartrate	15	1.4	1.4
Siponimod	3	1.3	1.3
Romiplostim	5	1.3	1.3
Docetaxel Anhydrous	22	1.3	1.3
Docetaxel	22	1.3	1.3
Ledipasvir And Sofosbuvir	5	1.0	1.0
Bimekizumab	5	0.9	0.9
Esketamine Hydrochloride	4	0.9	0.9
Tapentadol Hydrochloride	7	0.8	0.8
Etonogestrel	6	0.5	0.5
Salicylic Acid	3	0.2	0.2

Related reactions

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