Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Phentolamine mesylate
Drug ID BADD_D01759
Description A nonselective alpha-adrenergic antagonist. It is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of raynaud disease and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease.
Indications and Usage Used as an aid for the diagnosis of pheochromocytoma, and may be administered immediately prior to or during pheochromocytomectomy to prevent or control paroxysmal hypertension resulting from anesthesia, stress, or operative manipulation of the tumor. Phentolamine has also been used to treat hypertensive crisis caused by sympathomimetic amines or catecholamine excess by certain foods or drugs in patients taking MAO inhibitors, or by clonidine withdrawal syndrome. Other indications include the prevention of dermal necrosis and sloughing following IV administration or extravasation of norepinephrine, decrease in impedance to left ventricular ejection and the infarct size in patients with MI associated with left ventricular failure, treatment of erectile dysfunction through self-injection of small doses combined with papaverine hydrochloride into the corpus cavernosum, and as an adjunct to the management of cocaine overdose to reverse coronary vasoconstriction following use of oxygen, benzodiazepines,and nitroglycerin.
Marketing Status Prescription; Discontinued
ATC Code C04AB01; V03AB36
DrugBank ID DB00692
KEGG ID D00509
MeSH ID D010646
PubChem ID 91430
TTD Drug ID D01JUF
NDC Product Code 73377-008; 38779-1502; 0143-9564; 63190-0090; 51224-012; 49452-5217; 42973-194; 62991-1108; 59605-2260; 0362-0101; 73309-192; 68094-101; 51927-0176; 51927-2669; 79572-027; 90027-005; 71052-285
Synonyms Phentolamine | Fentolamin | Phentolamine Mono-hydrochloride | Mono-hydrochloride, Phentolamine | Phentolamine Mono hydrochloride | Rogitine | Z-Max | Phentolamine Mesylate | Mesylate, Phentolamine | Phentolamine Methanesulfonate | Methanesulfonate, Phentolamine | Phentolamine Mesilate | Mesilate, Phentolamine | Regitine | Regityn
Chemical Information
Molecular Formula C18H23N3O4S
CAS Registry Number 65-28-1
SMILES CC1=CC=C(C=C1)N(CC2=NCCN2)C3=CC(=CC=C3)O.CS(=O)(=O)O
Chemical Structure
ADR Related Proteins Induced by Drug
ADR Term Protein Name UniProt AC TTD Target ID PMID
Not AvailableNot AvailableNot AvailableNot AvailableNot Available
ADRs Induced by Drug
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Abdominal pain upper07.01.05.003--
Asthenia08.01.01.001--Not Available
Blood pressure increased13.14.03.005--Not Available
Bradycardia02.03.02.002--Not Available
Diarrhoea07.02.01.001--
Dizziness17.02.05.003; 02.01.02.004; 24.06.02.007--
Flushing24.03.01.002; 23.06.05.003; 08.01.03.025--
Headache17.14.01.001--
Hypertension24.08.02.001--
Injection site pain12.07.03.011; 08.02.03.010--Not Available
Injection site reaction12.07.03.015; 08.02.03.014--
Nasal congestion22.04.04.001--
Oral pain07.05.03.002--
Orthostatic hypotension24.06.03.004; 17.05.01.020--Not Available
Pain in jaw15.02.01.003--Not Available
Paraesthesia17.02.06.005--
Pruritus23.03.12.001--
Swelling face23.04.01.018; 10.01.05.018--Not Available
Tachycardia02.03.02.007--Not Available
Tenderness08.01.08.005--Not Available
Vomiting07.01.07.003--
Procedural pain08.01.08.009; 12.02.05.007--Not Available
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