Viagra

GPTKB entity

Statements (54)
Predicate Object
gptkbp:instanceOf gptkb:drug
gptkbp:approvalYear 1998
gptkbp:approvedBy gptkb:FDA
gptkbp:ATCCode gptkb:G04BE03
gptkbp:brand gptkb:Revatio
gptkb:sildenafil
gptkbp:CASNumber 139755-83-2
gptkbp:chemicalFormula C22H30N6O4S
gptkbp:color blue
gptkbp:commonDosage 100 mg
25 mg
50 mg
gptkbp:contraindication nitrate medication
gptkbp:developedBy gptkb:Pfizer
gptkbp:discoveredBy gptkb:Pfizer_scientists
gptkbp:eliminationRoute urine
feces
gptkbp:genericAvailable yes
gptkbp:halfLife 4 hours
gptkbp:interactsWith CYP3A4 inhibitors
nitrates
alpha-blockers
gptkbp:legalStatus prescription only
gptkbp:marketedIn gptkb:Australia
gptkb:Canada
gptkb:Europe
gptkb:United_States
gptkbp:mechanismOfAction gptkb:PDE5_inhibitor
gptkbp:metabolism liver
gptkbp:notRecommendedFor gptkb:women
children
gptkbp:originallyStudiedFor gptkb:angina
gptkbp:overdoseSymptoms prolonged erection
vision changes
gptkbp:patentExpired 2013
gptkbp:pregnancyCategory N (Not for use in women)
gptkbp:prescribes adult males
gptkbp:prescriptionDrugClass phosphodiesterase inhibitors
gptkbp:prescriptionRequired yes
gptkbp:riskFactor priapism
sudden hearing loss
sudden vision loss
gptkbp:routeOfAdministration oral
gptkbp:sideEffect gptkb:visual_disturbance
headache
dyspepsia
flushing
gptkbp:storage room temperature
gptkbp:tabletShape gptkb:jewelry
gptkbp:usedFor erectile dysfunction
pulmonary arterial hypertension (as Revatio)
gptkbp:bfsParent gptkb:Pfizer
gptkbp:bfsLayer 6
https://www.w3.org/2000/01/rdf-schema#label Viagra