Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Tadalafil
Drug ID BADD_D02106
Description Tadalafil is a selective phosphodiesterase-5 inhibitor that is used in the treatment of erectile dysfunction (ED), pulmonary arterial hypertension (PAH), and benign prostatic hypertrophy.[L39100, L39105] It was first approved in 2003 by the FDA for use in ED and later in 2009 for PAH. In contrast to other PDE5 inhibitors like [sildenafil], tadalafil has greater selectivity for PDE5 and a longer half-life which has made it a more suitable option for chronic once-daily dosing in the treatment of PAH.[A242287]
Indications and Usage Tadalafil is indicated for the treatment of erectile dysfunction (ED) and either alone or in combination with [finasteride] for the treatment of benign prostatic hypertrophy (BPH).[L39095,L39439] It is also indicated for the treatment of pulmonary arterial hypertension (PAH) both alone and in combination with [macitentan] or other endothelin-1 antagonists.[L39100,L39105]
Marketing Status approved; investigational
ATC Code G04BE08
DrugBank ID DB00820
KEGG ID D02008
MeSH ID D000068581
PubChem ID 110635
TTD Drug ID D05MQK
NDC Product Code 75834-249; 76420-551; 76420-554; 82009-079; 0093-3016; 63275-9895; 65862-852; 66039-921; 69037-0015; 73377-080; 16714-076; 27241-113; 29300-286; 31722-645; 33342-267; 35573-461; 43063-969; 43547-050; 43598-574; 50090-6150; 51655-473; 0002-4462; 65862-853; 68180-914; 68180-922; 68382-897; 68382-898; 69238-1347; 70518-3001; 70518-3697; 70771-1477; 70934-795; 71205-268; 71821-009; 72789-184; 76420-542; 76420-543; 82009-077; 49452-7596; 62991-3128; 65862-850; 66039-843; 0093-3334; 27241-123; 31722-644; 35573-409; 35573-411; 35573-462; 42291-804; 42291-864; 43547-990; 46708-178; 46708-180; 50090-4660; 50090-5344; 50436-0372; 51293-839; 51293-841; 60219-1348; 60219-1349; 63629-8288; 65862-851; 65862-880; 68071-5272; 68180-920; 69238-1348; 71205-400; 76420-126; 53747-050; 62512-0056; 13668-567; 13668-568; 16729-370; 29300-288; 33342-266; 33342-268; 33342-278; 45865-991; 47335-011; 50268-739; 0002-4464; 61919-887; 62332-177; 63629-8157; 68071-2632; 68071-5202; 68180-921; 68382-899; 70518-3529; 70771-1475; 70771-1476; 71205-734; 71205-754; 71335-1823; 71821-006; 0002-4465; 61919-889; 68071-2421; 68071-2553; 68788-8465; 69097-374; 69097-526; 71335-1670; 71610-213; 62512-0063; 63415-0117; 65372-1173; 65862-719; 16714-077; 16729-371; 16729-372; 27241-111; 29300-289; 31722-646; 33342-265; 43547-047; 46287-045; 46708-177; 50268-738; 51293-842; 51655-063; 0002-4463; 60219-1346; 63629-8409; 68071-2613; 68071-5182; 68788-8445; 69238-1346; 71205-736; 71335-1400; 71335-1587; 75834-247; 76420-544; 82009-080; 0110-4465; 64220-173; 64552-4047; 71052-059; 0093-3019; 42291-866; 43598-573; 43598-575; 51655-487; 62332-178; 68071-2981; 70954-433; 71610-603; 72761-017; 81999-0006; 82393-302; 43547-051; 43598-578; 46708-179; 47335-009; 63629-7943; 67184-0526; 68788-8292; 69097-373; 69238-1349; 70518-2862; 70518-2972; 71335-1620; 71821-008; 72789-324; 0110-4462; 0110-4463; 46144-327; 90027-004; 13668-565; 16729-369; 0093-3017; 27241-112; 29300-287; 47335-010; 62332-180; 67184-0523; 67184-0524; 68071-2417; 68180-919; 71205-720; 71821-007; 72189-145; 38779-3062; 50379-0005; 51552-1550; 60592-742; 62756-028; 79572-033; 13668-581; 27241-114; 42291-865; 42291-867; 43547-049; 43598-576; 60219-1347; 62332-179; 66302-467; 67184-0525; 68071-2554; 68071-5186; 68382-896; 68788-8153; 69097-375; 69097-376; 70518-3434; 70954-434; 71205-269; 71335-1255; 71455-597; 71610-214; 71610-461; 76420-541; 76420-553; 0110-4467; 51927-5037; 68981-043; 0093-3018; 31722-647; 47335-012; 50090-5641; 70771-1478; 70954-435; 71205-418; 71205-502; 71205-735; 71335-1239; 71335-1491; 71335-1884; 71610-567; 71610-581; 72189-500; 75834-248; 75834-250; 76420-552; 0110-4464; 62128-0385; 66174-0021; 67835-5045; 13668-566; 16714-074; 16714-075; 31722-643; 35573-410; 35573-412; 35573-460; 35573-463; 50436-0370; 51293-840
UNII 742SXX0ICT
Synonyms Tadalafil | Pyrazino(1',2':1,6)pyrido(3,4-b)indole-1,4-dione, 6-(1,3- benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)- | IC351 | IC-351 | IC 351 | Cialis
Chemical Information
Molecular Formula C22H19N3O4
CAS Registry Number 171596-29-5
SMILES CN1CC(=O)N2C(C1=O)CC3=C(C2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36
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)
Mediastinal disorder22.09.03.001---
Mental disorder19.07.01.002---
Oesophageal disorder07.11.02.0010.000195%-
Optic neuropathy06.02.08.002; 17.04.05.0050.000293%-
Sudden hearing loss04.02.01.0090.000195%-
Cardiac valve disease02.07.02.0010.000390%-
Erectile dysfunction19.08.04.001; 21.03.01.0070.003591%
Inner ear disorder04.04.02.002---
Polyp08.01.06.010; 16.02.02.005---
Ulcer haemorrhage08.03.06.003; 24.07.01.0400.000293%-
Metabolic encephalopathy14.11.01.013; 17.13.01.0010.000195%-
Renal impairment20.01.03.010---
Respiratory tract infection11.01.08.017; 22.07.07.001---
Unevaluable event08.01.03.0510.001913%-
Non-cardiac chest pain08.01.08.006; 22.12.02.009--
Arterial occlusive disease24.04.02.0210.000195%-
Chorioretinopathy06.09.01.0060.001366%-
Pulmonary arterial hypertension22.06.01.002; 24.08.03.0030.001893%-
Adverse reaction08.06.01.0180.000429%-
Brain injury17.11.01.003; 19.07.03.0070.000195%-
Oropharyngeal pain07.05.05.004; 22.12.03.0160.001581%
Foetal growth restriction18.03.01.0020.000488%
Drug-induced liver injury09.01.07.023; 12.03.01.0440.000781%-
Stenosis08.01.03.0600.000195%-
Complication associated with device08.07.01.0110.001152%-
Anal incontinence07.01.06.029; 17.05.01.0210.000429%
Anorexia nervosa14.03.03.002; 19.09.01.0070.000429%-
Astigmatism06.02.04.0090.000195%-
Brain neoplasm malignant16.30.04.002; 17.20.04.0020.000195%-
Hemianopia homonymous06.02.07.007; 17.17.01.0240.000820%-
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