Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Orphenadrine
Drug ID BADD_D01625
Description A muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm.
Indications and Usage Indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute painful musculo skeletal conditions.
Marketing Status approved
ATC Code Not Available
DrugBank ID DB01173
KEGG ID D08305
MeSH ID D009966
PubChem ID 4601
TTD Drug ID D0D9FV
NDC Product Code Not Available
UNII AL805O9OG9
Synonyms Orphenadrine | Methyldiphenylhydramine | Lysantin | Mefenamine | Mephenamine | Norflex | Orphenadrine Citrate | Citrate, Orphenadrine | Orphenadrine Hydrochloride | Hydrochloride, Orphenadrine | Sodium Mefenamine | Mefenamine, Sodium | Disipal | Norflex Orphenadrine Citrate | Citrate, Norflex Orphenadrine | Orphenadrine Citrate, Norflex
Chemical Information
Molecular Formula C18H23NO
CAS Registry Number 83-98-7
SMILES CC1=CC=CC=C1C(C2=CC=CC=C2)OCCN(C)C
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice.
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Agitation17.02.05.012; 19.06.02.001--
Anaphylactic shock10.01.07.002; 24.06.02.004---
Aplastic anaemia01.03.03.002---
Asthenia08.01.01.001---
Confusional state17.02.03.005; 19.13.01.001--
Constipation07.02.02.001--
Dizziness02.11.04.006; 17.02.05.003; 24.06.02.007--
Feeling abnormal08.01.09.014---
Hallucination19.10.04.003--
Headache17.14.01.001--
Hypersensitivity10.01.03.003--
Mydriasis06.05.03.004; 17.02.11.003---
Nausea07.01.07.001--
Palpitations02.11.04.012--
Pruritus23.03.12.001--
Skin disorder23.03.03.007---
Somnolence17.02.04.006; 19.02.05.003--
Tachycardia02.03.02.007---
Tension19.06.02.005---
Tremor17.01.06.002--
Urinary hesitation20.02.02.009---
Urticaria10.01.06.001; 23.04.02.001--
Vision blurred06.02.06.007; 17.17.01.010--
Vomiting07.01.07.003--
Dermatosis23.03.03.017---
Epigastric discomfort07.01.02.004---
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