Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Hydroxychloroquine
Drug ID BADD_D01103
Description Hydroxychloroquine is a racemic mixture consisting of an R and S enantiomer.[A183047] Hydroxychloroquine is an aminoquinoline like [chloroquine].[L8072] It is a commonly prescribed medication in the treatment of uncomplicated malaria, rheumatoid arthritis, chronic discoid lupus erythematosus, and systemic lupus erythematosus.[L8072] Hydroxychloroquine is also used for the prophylaxis of malaria in regions where chloroquine resistance is unlikely.[L8072] It was developed during World War II as a derivative of [quinacrine] with less severe side effects.[A183092] Chloroquine and hydroxychloroquine are both being investigated for the treatment of SARS-CoV-2.[A192132] **The FDA emergency use authorization for hydroxychloroquine and [chloroquine] in the treatment of COVID-19 was revoked on 15 June 2020.[L14312]** Hydroxychloroquine was granted FDA approval on 18 April 1955.[L8072] A recent study reported a fatality in the group being treated with hydroxychloroquine for COVID-19.[A192546]
Indications and Usage Hydroxychloroquine is indicated for the prophylaxis of malaria where chloroquine resistance is not reported, treatment of uncomplicated malaria (caused by _P. falciparum_, _P. malariae_, _P. ovale_, or _P. vivax_), chronic discoid lupus erythematosus, systemic lupus erythematosus, acute rheumatoid arthritis, and chronic rheumatoid arthritis.[L8072]
Marketing Status approved
ATC Code P01BA02
DrugBank ID DB01611
KEGG ID D08050
MeSH ID D006886
PubChem ID 3652
TTD Drug ID D0OJ4L
NDC Product Code Not Available
UNII 4QWG6N8QKH
Synonyms Hydroxychloroquine | Oxychlorochin | Oxychloroquine | Hydroxychlorochin | Plaquenil | Hydroxychloroquine Sulfate | Hydroxychloroquine Sulfate (1:1) Salt
Chemical Information
Molecular Formula C18H26ClN3O
CAS Registry Number 118-42-3
SMILES CCN(CCCC(C)NC1=C2C=CC(=CC2=NC=C1)Cl)CCO
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)
Drug ineffective for unapproved indication08.06.01.038; 12.09.02.0020.007438%-
Gait inability08.01.02.011; 17.02.05.0690.001859%-
Haemophagocytic lymphohistiocytosis01.05.01.026; 10.02.01.077; 16.32.03.0380.001859%-
Illness08.01.03.091---
Lip erythema07.05.05.028---
Myelosuppression01.03.03.0150.001859%-
Senile pruritus23.03.12.0160.001859%-
Superficial inflammatory dermatosis23.03.04.0510.001859%-
Taste disorder07.14.03.004; 17.02.07.0290.004091%-
Therapeutic product effect decreased08.06.01.0500.011342%-
Therapeutic product effect delayed08.06.01.051---
Therapeutic product effect incomplete08.06.01.052---
Therapeutic product ineffective08.06.01.057---
Therapeutic product ineffective for unapproved indication08.06.01.058; 12.09.02.0050.002789%-
Therapeutic response changed08.06.01.059---
Therapeutic response shortened08.06.01.062---
Ventricular hyperkinesia02.04.02.0520.001859%-
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ADReCS-Target
Drug Name ADR Term Target
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