Viagra
E291801
Viagra is a well-known prescription medication used to treat erectile dysfunction by increasing blood flow to the penis.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Viagra canonical | 8 |
| Viagra (Drug) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2715207 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Viagra Context triple: [Roush Fenway Racing, majorSponsorHistory, Viagra]
-
A.
Pille
Pille is the talking football character that served as the sidekick to Goleo VI, the official mascot of the 2006 FIFA World Cup in Germany.
-
B.
Motrin
Motrin is a widely used over-the-counter ibuprofen pain reliever and fever reducer medication.
-
C.
Lamotrek
Lamotrek is a small atoll in the Federated States of Micronesia known for its traditional seafaring culture and navigational expertise.
-
D.
Versonnex
Versonnex is a small commune in the Ain department of eastern France, located near the Swiss border in the Pays de Gex region.
-
E.
Prozac
Prozac is a widely prescribed antidepressant medication (fluoxetine) used to treat major depressive disorder, anxiety disorders, and certain other mental health conditions.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Viagra Target entity description: Viagra is a well-known prescription medication used to treat erectile dysfunction by increasing blood flow to the penis.
-
A.
Pille
Pille is the talking football character that served as the sidekick to Goleo VI, the official mascot of the 2006 FIFA World Cup in Germany.
-
B.
Motrin
Motrin is a widely used over-the-counter ibuprofen pain reliever and fever reducer medication.
-
C.
Lamotrek
Lamotrek is a small atoll in the Federated States of Micronesia known for its traditional seafaring culture and navigational expertise.
-
D.
Versonnex
Versonnex is a small commune in the Ain department of eastern France, located near the Swiss border in the Pays de Gex region.
-
E.
Prozac
Prozac is a widely prescribed antidepressant medication (fluoxetine) used to treat major depressive disorder, anxiety disorders, and certain other mental health conditions.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
brand name
ⓘ
pharmaceutical drug ⓘ prescription medication ⓘ |
| abbreviatedAs | PDE5 inhibitor ⓘ |
| approvedBy |
U.S. Food and Drug Administration
ⓘ
linked to:
Food and Drug Administration
|
| belongsToClass | phosphodiesterase type 5 inhibitor ⓘ |
| commonSideEffect |
dizziness
ⓘ
flushing ⓘ headache ⓘ indigestion ⓘ nasal congestion ⓘ visual disturbances ⓘ |
| commonStrength |
100 mg
ⓘ
25 mg ⓘ 50 mg ⓘ |
| contraindicatedIn | severe cardiovascular disease without medical supervision ⓘ |
| contraindicatedWith |
nitrates
ⓘ
nitric oxide donors ⓘ |
| developedBy | Pfizer ⓘ |
| doesNotCause | automatic erection without sexual stimulation ⓘ |
| dosageForm | tablet ⓘ |
| durationOfEffect | up to 4 hours ⓘ |
| FDAApprovalYear | 1998 ⓘ |
| hasActiveIngredient | sildenafil citrate ⓘ |
| hasFamousCompetitor |
Cialis
ⓘ
Levitra ⓘ |
| hasGenericName | sildenafil ⓘ |
| hasIndication | erectile dysfunction in adult men ⓘ |
| legalStatusInEuropeanUnion | prescription only ⓘ |
| legalStatusInUnitedStates | prescription only ⓘ |
| manufacturedBy | Pfizer ⓘ |
| marketedSince | 1998 ⓘ |
| mechanismOfAction |
enhances blood flow to the penis during sexual stimulation
ⓘ
increases cyclic guanosine monophosphate levels in penile tissue ⓘ inhibits phosphodiesterase type 5 enzyme ⓘ |
| metabolizedBy |
CYP2C9
ⓘ
CYP3A4 ⓘ |
| notRecommendedFor | children ⓘ |
| onsetOfAction | about 30 to 60 minutes ⓘ |
| originallyResearchedFor | angina pectoris ⓘ |
| pregnancyCategory | not indicated for use in women ⓘ |
| requires |
medical evaluation before use
ⓘ
prescription ⓘ |
| routeOfAdministration | oral ⓘ |
| seriousSideEffect |
priapism
ⓘ
sudden hearing loss ⓘ sudden vision loss ⓘ |
| taken | as needed before sexual activity ⓘ |
| treats | erectile dysfunction ⓘ |
| typicalStartingDose | 50 mg ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Viagra Description of subject: Viagra is a well-known prescription medication used to treat erectile dysfunction by increasing blood flow to the penis.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
NASCAR team Roush Fenway Racing
subject linked to:
Stay Up! (Viagra) by 88-Keys featuring Kanye West
linked to: Viagra
subject linked to:
Jamie Reidy