Pataday (olopatadine HCl)
Last reviewed · Source: First Databank (FDB) drug data
Overview
Olopatadine hydrochloride is a relatively selective histamine H1-receptor antagonist; the drug also shares many of the pharmacologic effects of mast-cell stabilizers.
USES: This medication is an antihistamine used to treat itching and redness in the eyes due to allergies. This medication is not recommended for the treatment of eye irritation due to wearing contact lenses.
Generic name: olopatadine HCl
Pronunciation: (oh-low-PAT-uh-deen)
Reference product & biosimilars
No reference, biosimilar or interchangeable associated with this drug.
Today’s intelligence on Pataday
Indications
The following indications are listed for Pataday:
- Allergic Conjunctivitis
Also known as: Allergy Eye Itch, Atopic Conjunctivitis, Itchy Eyes Due To Allergies, Ocular Itching Due To Allergies.
Dosing
Dosage of olopatadine hydrochloride is expressed in terms of olopatadine.
Dosage adjustment for olopatadine nasal spray is not necessary in patients with hepatic or renal impairment.
No dosing information is available for this tab.
No dosing information is available for this tab.
No dosing information is available for this tab.
Drug interactions
Specific drug interaction studies involving olopatadine ophthalmic solution or nasal spray and other drugs have not been conducted to date.
Olopatadine does not inhibit the in vitro metabolism of substrates of cytochrome P-450 (CYP) isoenzymes 1A2, 2C9, 2C19, 2D6, 2E1, or 3A4.
There are no contraindication interactions for this drug.
There are no severe interactions for this drug.
There are no moderate interactions for this drug.
Contraindications
There is no enhanced messaging for this drug.
There are no contraindication contraindications for this drug.
There are no severe contraindications for this drug.
There are no moderate contraindications for this drug.
Adverse reactions
There is no enhanced messaging for this drug.
There are no severe adverse reactions for this drug.
There are no less severe adverse reactions for this drug.
Precautions
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No enhanced messaging available.
Reproduction studies in rats and rabbits receiving oral olopatadine dosages of 600 or 400 mg/kg daily, respectively (i.e., 93,750 or 62,500 times the maximum recommended human ocular dosage, respectively, based on a drop size of 40 mcL, and approximately 1000 or 1400 times the maximum recommended human dose, respectively, for adults on a mg/m2 basis), have not revealed evidence of teratogenicity. However, a decrease in the number of live fetuses was observed in rabbits and rats receiving oral olopatadine dosages of 25 and 60 mg/kg (approximately 88 and 100 times the maximum recommended human dose, respectively, for adults on a mg/m2 basis) or higher. In rats receiving an oral olopatadine dose of 60 mg/kg (approximately 100 times the maximum recommended human dose for adults on a mg/m2 basis), viability and body weights of pups were reduced on day 4 postpartum; however, no effect on viability was observed at a dose of 20 mg/kg (approximately 35 times the maximum recommended human dose for adults on a mg/m2 basis). There are no adequate and well-controlled studies to date using olopatadine in pregnant women, and the drug should be used during pregnancy only if the potential benefits justify the possible risks to the embryo or fetus.
Olopatadine is distributed into milk in rats following oral administration. It is not known whether topical ophthalmic administration of olopatadine could result in sufficient systemic absorption to produce detectable quantities in milk; therefore, olopatadine ophthalmic solutions should be used with caution in nursing women. Olopatadine nasal spray should be used in nursing women only if the potential benefits to the woman outweigh the potential risks to the infant.
No enhanced messaging available.
ICD codes
No ICD codes are available for this drug.
Formulary status
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Last reviewed · Source: First Databank (FDB) drug data
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