Reaction

Muscle Contractions Involuntary reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 3,498 reports · 83 co-occurring drugs

As of the last recalculation, Muscle Contractions Involuntary appears in 3,498 FAERS reports alongside 83 co-occurring drug terms. The strongest observed disproportionality signal is DIMENHYDRINATE (PRR 11.2).

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
Dimenhydrinate	20	11.2	11.2
Trimethoprim	20	10.1	10.2
Atropine	14	10.1	10.1
Ciprofolxacin	112	9.6	9.6
Ciprofloxacin Tablets	112	9.6	9.6
Sevoflurane	13	9.3	9.4
Ciprofloxacin	130	8.7	8.7
Esomeprazole Magnesium Capsule, Delayed Release	21	8.7	8.7
Esomeprazole Magnesium Delayed Release Capsules	21	8.7	8.7
Esomeprazole Magnesium Dihydrate	21	8.6	8.6
Ciprofloxacin Hydrochloride	134	8.5	8.5
Lithium	35	8.3	8.3
Lithium Bromatum	35	8.3	8.3
Atropine Sulfate	15	8.3	8.3
Botulinum Toxin Type A	17	8.2	8.2
Ziprasidone	23	7.8	7.8
Levofloxacin	75	7.5	7.5
Levofloxacin In 5% Dextrose	75	7.5	7.5
Aripiprazole Oral	51	7.4	7.4
Aripiprazole Orally Disintegrating	51	7.4	7.4
Dextrose	16	7.3	7.3
Dextrose Monohydrate	16	7.2	7.2
Ziprasidone Mesylate	17	7.1	7.1
Rocuronium Bromide	14	7.1	7.1
Haloperidol	27	6.7	6.7
Haloperidol Lactate	27	6.5	6.5
Sumatriptan Succinate	27	6.4	6.4
Octreotide Acetate	31	6.1	6.1
Donepezil Hydrochloride	35	5.7	5.7
Rosuvastatin Calcium	26	5.5	5.5
Lithium Carbonate	15	5.3	5.3
Prochlorperazine	24	5.2	5.2
Anti-Thymocyte Globulin (Rabbit)	7	5.2	5.2
Ciprofloxacin Hydrochloride And Hydrocortisone	18	5.2	5.2
Olanzapine Pamoate	34	5.0	5.0
Baclofen	70	4.9	4.9
Diazepam Oral Solution (Concentrate)	70	4.8	4.8
Diazepam Oral	70	4.8	4.8
Diazepam	93	4.6	4.6
Aripiprazole	93	4.6	4.6
Oxcarbazepine	25	4.6	4.6
Fosaprepitant Dimeglumine	10	4.3	4.3
Paroxetine Hydrochloride Hemihydrate	24	4.3	4.3
Lurasidone Hydrochloride	15	4.3	4.3
Paroxetine	24	4.2	4.2
Rizatriptan Benzoate	7	4.1	4.1
Sumatriptan	26	4.1	4.1
Olanzapine	72	4.1	4.1
Propranolol Hydrochloride	48	4.0	4.0
Testosterone Cypionate	6	4.0	4.0
Metoclopramide	36	3.9	3.9
Everolimus	33	3.9	3.9
Rivastigmine	12	3.8	3.8
Sunitinib Malate	24	3.7	3.7
Onabotulinumtoxina	45	3.5	3.5
Oxaliplatin	43	3.5	3.5
Propofol	20	3.3	3.3
Aprepitant	10	3.2	3.2
Pyrazinamide	5	3.2	3.2
Ofatumumab	17	3.1	3.1
Derma Foam Excel Hand Sanitizer	4	3.0	3.0
Ethanol	4	3.0	3.0
Risperidone	61	2.8	2.8
Vilazodone Hydrochloride	4	2.6	2.6
Sodium Oxybate	28	2.5	2.5
Glatiramer Acetate	25	2.5	2.5
Buprenorphine Hydrochloride, Naloxone Hydrochloride	10	2.5	2.5
Irinotecan Hydrochloride	5	2.3	2.3
Suvorexant	5	2.3	2.3
Cetuximab	12	2.3	2.3
Interferon Beta-1A	71	2.2	2.2
Iohexol	3	2.2	2.2
Asenapine Maleate	3	2.1	2.1
Dalfampridine	24	2.0	2.0
Paliperidone	7	1.8	1.8
Natalizumab	51	1.7	1.7
Vigabatrin	4	1.6	1.6
Abaloparatide	8	1.6	1.6
Esketamine Hydrochloride	4	1.3	1.3
Dimethyl Fumarate	27	1.3	1.3
Paliperidone Palmitate	6	1.1	1.1
Valbenazine	4	0.9	0.9
Galcanezumab-Gnlm	5	0.9	0.9

Related reactions

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