title: Nose-bleeds after sildenafil (Viagra).
authors.affiliation: Department of Otolaryngology, St George's Hospital, Blackshaw Road, London SW17 0QT, UK. lhicklin@doctors.org.uk
authors.forename: L A
authors.initials: LA
authors.lastname: Hicklin
authors.forename: C
authors.initials: C
authors.lastname: Ryan
authors.forename: D K K
authors.initials: DK
authors.lastname: Wong
authors.forename: A E
authors.initials: AE
authors.lastname: Hinton
mesh_terms: D000368:Aged; D004844:Epistaxis / Q000139:chemically induced*; D006801:Humans; D006973:Hypertension / Q000150:complications; D008297:Male; D008875:Middle Aged; D010879:Piperazines / Q000009:adverse effects*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000009:adverse effects*
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate