Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Olopatadine
Drug ID BADD_D01605
Description Olopatadine is a selective histamine H1 antagonist and mast cell stabilizer that works by attenuating inflammatory and allergic reactions. It is a structural analog of [doxepin], which has a minimal anti-allergic activity.[L6790] Olopatadine works by blocking the effects of histamine, which is a primary inflammatory mediator that causes inflammatory and allergic reactions. An ophthalmic solution of olopatadine was approved by the FDA and European Union for the treatment of seasonal and perennial allergic conjunctivitis in 1996 and 2002, respectively.[A1172] In comparison to other anti-allergenic ophthalmic medications, olopatadine displays a good comfort and tolerability profile since it does not cause perturbation of cell membranes.[A179809] Olopatadine is used for the symptomatic treatment of ocular itching associated with allergic conjunctivitis in ophthalmic formulations and seasonal allergic rhinitis in intranasal formulations. It is currently marketed under several brand names, including Pazeo, Patanase, and Opatanol.
Indications and Usage Olopatadine is indicated for the symptomatic treatment of ocular itching associated with allergic conjunctivitis as ophthalmic solution.[L6781] In nasal spray, olopatadine is indicated for the symptomatic relief of seasonal allergic rhinitis in patients 12 years of age and older.[L6784]
Marketing Status approved
ATC Code R01AC08; S01GX09
DrugBank ID DB00768
KEGG ID D08293
MeSH ID D000069605
PubChem ID 5281071
TTD Drug ID D05GPO
NDC Product Code Not Available
UNII D27V6190PM
Synonyms Olopatadine Hydrochloride | Hydrochloride, Olopatadine | KW-4943A | KW 4943A | KW4943A | Olopatadine | 11-(3-(dimethylamino)propylidene)-6,11-dihydrodibenz(b,e)oxepin-2-acetic acid | KW 4679 | 4679, KW | KW-4679 | Patanol
Chemical Information
Molecular Formula C21H23NO3
CAS Registry Number 113806-05-6
SMILES CN(C)CCC=C1C2=CC=CC=C2COC3=C1C=C(C=C3)CC(=O)O
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)
Eye pruritus06.04.05.0060.000425%-
Ocular discomfort06.08.03.008---
Nasal discomfort22.12.03.012---
Skin burning sensation17.02.06.009; 23.03.03.021---
Eyelid disorder06.08.03.010; 23.03.03.028---
Infestation11.09.01.001; 23.11.01.002---
Mediastinal disorder22.09.03.001---
White blood cell disorder01.02.05.002---
Conjunctival disorder06.06.02.004---
Corneal disorder06.08.01.004---
Ill-defined disorder08.01.03.049---
Sensation of foreign body08.01.09.002---
Treatment failure08.06.01.0170.047977%-
Oropharyngeal pain07.05.05.004; 22.12.03.0160.000549%
Upper-airway cough syndrome22.12.03.036--
Alopecia areata10.04.02.011; 23.02.02.0080.000187%-
Concomitant disease aggravated08.01.03.0630.000125%-
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