Drug Safety Information for ARTANE (Trihexyphenidyl hydrochloride)

Adverse Drug Reactions for ARTANE* (Trihexyphenidyl hydrochloride)

These charts and graphs are based on reports received through the FDA Adverse Event Reporting System (FAERS) program (see below).

Top 20 Adverse Effects Associated with ARTANE
(reported in FDA Medwatch/FAERS Reports)

  Side Effect # of FDA Reports
1Tremor*134
2Drug interaction119
3Somnolence113
4Condition aggravated110
5Fall109
6Neuroleptic malignant syndrome106
7Pyrexia104
8Vomiting93
9Dyskinesia92
10Confusional state*92
11Extrapyramidal disorder90
12Drug ineffective89
13Agitation88
14Weight increased87
15Anxiety*85
16Pneumonia83
17Insomnia82
18Hallucination82
19Rhabdomyolysis82
20Dysphagia74

* This side effect also appears in "Top 10 Side Effects of ARTANE " in the drug's Review Summary based on AskaPatient reviews.

Top 10 Reasons for Taking ARTANE
(associated with FDA Medwatch/FAERS Reports)

Reason # of FDA Reports
1Product used for unknown indication1638
2Parkinson's disease973
3Parkinsonism449
4Extrapyramidal disorder396
5Schizophrenia272
6Salivary hypersecretion201
7Tremor200
8Dystonia133
9Muscle rigidity94
10Schizophrenia, paranoid type92

*Also a top-10 reason in AskaPatient Review Summary.


Types of Adverse Events for ARTANE

Total Reports Filed with FDA: 13809


Number of FDA Adverse Event Reports by Patient Age for ARTANE

Total Reports Filed with FDA: 13809*


* Reports for drugs with the same active ingredients have been aggregated in this analysis: Trihexyphenidyl hydrochloride (Cyclodol, Trihexyphenidyl, Apo-trihex, Parkopan, Tremin, Trihexane, Parkinane, Benzhexol, Artane)

Charts are based on 13809 reports filed with the FDA between 2004 and June 2015.

Adverse Event Reports are submitted to the FDA by pharmaceutical companies (mandatory reporting is required by manufacturers, distributors, or importers), health care providers such as doctors (voluntary reporting), and by patients themselves (voluntary reporting). More Information on FDA MedWatch (FDA Safety Information and Adverse Event Reporting Program)Voluntary reporting takes place under the FDA's MedWatch program, where health care professionals and consumers submit reports to FDA when they find a problem with a drug, medical device, biologic, or other FDA-regulated product. An adverse event is any undesirable experience or extreme side effect associated with the use of a medical product. Adverse events include: death, life threatening event, hospitalization, disability or permanent damage, congenital anomaly or birth defect, medical product use requiring a surgical or other intervention, or other serious medical situation believed to be caused by the drug.

Click to go back to search results and ARTANE Reviews and Review Summary .

Historical Analytics of FDA Adverse Event Reports Provided by Druginformer.com. FDA Drug Safety Information, including safety-related labeling updates, required post-approval safety studies, risk evaluation management strategies (REMS), alerts, and recalls are compiled by AskaPatient.com from the U.S. Food and Drug Administration.