Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Methotrexate
Drug ID BADD_D01418
Description Methotrexate is a folate derivative that inhibits several enzymes responsible for nucleotide synthesis.[A180322] This inhibition leads to suppression of inflammation as well as prevention of cell division.[A180322] Because of these effects, methotrexate is often used to treat inflammation caused by arthritis or to control cell division in neoplastic diseases such as breast cancer and non-Hodgkin's lymphoma.[A180322,L7144,L7147,L7150,L7180] Due to the toxic effects of methotrexate, it is indicated for treatment of some forms of arthritis and severe psoriasis only if first line treatment has failed or patients are intolerant of those treatments.[L7180] Methotrexate was granted FDA approval on 7 December 1953.[L7198]
Indications and Usage Methotrexate is indicated in the treatment of gestational choriocarcinoma, chorioadenoma destruens and hydatidiform mole. In acute lymphocytic leukemia, methotrexate is indicated in the prophylaxis of meningeal leukemia and is used in maintenance therapy in combination with other chemotherapeutic agents. Methotrexate is also indicated in the treatment of meningeal leukemia. Methotrexate is used alone or in combination with other anticancer agents in the treatment of breast cancer, epidermoid cancers of the head and neck, advanced mycosis fungoides (cutaneous T cell lymphoma), and lung cancer, particularly squamous cell and small cell types. Methotrexate is also used in combination with other chemotherapeutic agents in the treatment of advanced stage non-Hodgkin’s lymphomas. Methotrexate is indicated in the symptomatic control of severe, recalcitrant, disabling psoriasis. Methotrexate is indicated in the management of selected adults with severe, active rheumatoid arthritis (ACR criteria), or children with active polyarticular-course juvenile rheumatoid arthritis.
Marketing Status Prescription; Discontinued
ATC Code L01BA01; L04AX03
DrugBank ID DB00563
KEGG ID D00142
MeSH ID D008727
PubChem ID 126941
TTD Drug ID D0SV8E
NDC Product Code 59137-530; 0703-3671; 59137-550; 0703-3678; 52652-2001; 0143-9516; 0143-9830; 61703-408; 69238-1423; 51285-367; 49452-4601; 66220-812; 66220-810; 0143-9519; 70518-1398; 0143-9517; 61703-350; 16729-277; 66220-822; 54436-012; 59137-535; 59137-540; 59137-510; 70771-1058; 54436-022; 70518-3263; 66220-817; 59137-520; 0703-3675; 54436-020; 51407-121; 51079-670; 71335-1772; 58623-0040; 0143-9367; 46014-1005; 50090-5457; 71335-0782; 42291-505; 59137-525; 0143-9518; 46014-1023; 0904-7141; 51285-369; 51927-1565; 54436-025; 0378-0014; 68382-775; 66220-815; 71335-1118; 59651-182; 66220-820; 59137-505; 59137-515; 63660-0006; 12780-0491; 51285-366; 66220-825; 54436-017; 46014-1133; 66220-807; 51285-368; 16729-486; 54436-010; 0555-0572; 54436-015; 50268-527
Synonyms Methotrexate | Amethopterin | Methotrexate, (D)-Isomer | Methotrexate, (DL)-Isomer | Mexate | Methotrexate Sodium | Sodium, Methotrexate | Methotrexate, Sodium Salt | Methotrexate, Disodium Salt | Methotrexate Hydrate | Hydrate, Methotrexate | Methotrexate, Dicesium Salt | Dicesium Salt Methotrexate
Chemical Information
Molecular Formula C20H22N8O5
CAS Registry Number 59-05-2
SMILES CN(CC1=CN=C2C(=N1)C(=NC(=N2)N)N)C3=CC=C(C=C3)C(=O)NC(CCC(=O)O)C(=O)O
Chemical Structure
ADRs Induced by Drug
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Abdominal discomfort07.01.06.0010.124313%Not Available
Abdominal distension07.01.04.001--
Abdominal pain07.01.05.002--
Abdominal pain lower07.01.05.010--Not Available
Abdominal pain upper07.01.05.003--
Abortion18.01.01.001--Not Available
Abortion spontaneous18.01.04.001--Not Available
Abscess11.01.08.001--Not Available
Acne23.02.01.001--Not Available
Acute lymphocytic leukaemia01.10.01.001; 16.01.01.0010.000146%Not Available
Acute myeloid leukaemia01.10.05.001; 16.01.05.001--Not Available
Acute myocardial infarction02.02.02.001; 24.04.04.001--Not Available
Acute respiratory distress syndrome22.01.03.001--
Acute respiratory failure14.01.04.004; 22.02.06.001--Not Available
Adenocarcinoma16.16.01.0040.000219%Not Available
Affective disorder19.04.04.001--Not Available
Ageusia07.14.03.003; 17.02.07.001--Not Available
Aggression19.05.01.001--Not Available
Agitation17.02.05.012; 19.06.02.001--
Agranulocytosis01.02.03.001--Not Available
Alanine aminotransferase increased13.03.01.003--
Alopecia23.02.02.0010.218667%
Alopecia totalis23.02.02.0060.000560%Not Available
Altered state of consciousness17.02.04.001; 19.07.01.003--Not Available
Alveolitis22.01.01.0010.001400%Not Available
Alveolitis allergic10.01.03.008; 22.01.01.0020.001680%Not Available
Amnesia17.03.02.001; 19.20.01.001--
Anaemia01.03.02.001--
Anaemia macrocytic01.03.02.002; 14.12.01.0020.000560%Not Available
Anaemia megaloblastic01.03.02.003; 14.12.01.0030.001400%Not Available
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ADReCS-Target
Drug Name ADR Term Target
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