Ein Paarvergleich findet Originalpassagen, die den anderen Wirkstoff wörtlich nennen. Aussagen gelten für das jeweilige Präparat und seine Formulierung. Klassenbegriffe und abweichende Synonyme können fehlen. Kein Treffer bedeutet nicht, dass keine Wechselwirkung besteht.
RxNorm 05-Oct-2026 · geprüft 2026-10-25 · 871 Präparate · 48256 Quellenpassagen · 124 strukturierte Aussagen. Automatisch aktualisiert, ohne menschliche Freigabe.
Gegenanzeigen · Viagra
VIAGRA 25 mg film-coated tablets VIAGRA 50 mg film-coated tablets VIAGRA 100 mg film-coated tablets · Abschnitt 4.3 · PDF-Seite 3–4
HOS-088776 · Präparat HOS-083727
3
The co-administration of PDE5 inhibitors, including sildenafil, with guanylate cyclase stimulators,
such as riociguat, is contraindicated as it may potentially lead to symptomatic hypotension (see section
4.5).
Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.
RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): riociguat (HOS-086293) lead (HOS-085592)
Vollständigen Kontext in der EMA-Fachinformation lesen →Quellennachweis
Version 2026-10-13T10:49:00Z · SHA-256 6ad3c46b09a0a4a504f9373ab6370260a3b70fd305f7a7b80959175ca84b454e · Passage 514cc64ce37e263f485f6b2f45b7111a3d36cb54fd009b79d8c7cd281fe5cd15 · Zeichen 469–682 im Abschnitt
Gegenanzeigen · Viagra
VIAGRA 50 mg orodispersible tablets · Abschnitt 4.3 · PDF-Seite 17
HOS-088836 · Präparat HOS-083727
The co-administration of PDE5 inhibitors, including sildenafil, with guanylate cyclase stimulators,
such as riociguat, is contraindicated as it may potentially lead to symptomatic hypotension (see section
4.5).
Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.
RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): riociguat (HOS-086293) lead (HOS-085592)
Vollständigen Kontext in der EMA-Fachinformation lesen →Quellennachweis
Version 2026-10-13T10:49:00Z · SHA-256 6ad3c46b09a0a4a504f9373ab6370260a3b70fd305f7a7b80959175ca84b454e · Passage 8f544c13b61bef2b6bc6eeae57ce7b53ff1b75095b32b53e2a06ade095001471 · Zeichen 413–623 im Abschnitt
Gegenanzeigen · Viagra
VIAGRA 50 mg orodispersible films · Abschnitt 4.3 · PDF-Seite 31
HOS-088887 · Präparat HOS-083727
The co-administration of PDE5 inhibitors, including sildenafil, with guanylate cyclase stimulators,
such as riociguat, is contraindicated as it may potentially lead to symptomatic hypotension (see
section 4.5).
Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.
RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): riociguat (HOS-086293) lead (HOS-085592)
Vollständigen Kontext in der EMA-Fachinformation lesen →Quellennachweis
Version 2026-10-13T10:49:00Z · SHA-256 6ad3c46b09a0a4a504f9373ab6370260a3b70fd305f7a7b80959175ca84b454e · Passage abbea2eded8461c7f0476e1851671e3ba4ac296dfea68a7ea0ff323410b31eaf · Zeichen 413–623 im Abschnitt
Wechselwirkungen · Viagra
VIAGRA 25 mg film-coated tablets VIAGRA 50 mg film-coated tablets VIAGRA 100 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 7
HOS-088799 · Präparat HOS-083727
Concomitant administration of sildenafil to patients taking alpha-blocker therapy may lead to
symptomatic hypotension in a few susceptible individuals. This is most likely to occur within 4 hours
post sildenafil dosing (see sections 4.2 and 4.4). In three specific drug-drug interaction studies, the
alpha-blocker doxazosin (4 mg and 8 mg) and sildenafil (25 mg, 50 mg, or 100 mg) were administered
simultaneously to patients with benign prostatic hyperplasia (BPH) stabilized on doxazosin therapy. In
these study populations, mean additional reductions of supine blood pressure of 7/7 mmHg,
9/5 mmHg, and 8/4 mmHg, and mean additional reductions of standing blood pressure of 6/6 mmHg,
11/4 mmHg, and 4/5 mmHg, respectively, were observed. When sildenafil and doxazosin were
administered simultaneously to patients stabilized on doxazosin therapy, there were infrequent reports
of patients who experienced symptomatic postural hypotension. These reports included dizziness and
light-headedness, but not syncope.
Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.
RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): lead (HOS-085592) doxazosin (HOS-088800)
Vollständigen Kontext in der EMA-Fachinformation lesen →Quellennachweis
Version 2026-10-13T10:49:00Z · SHA-256 6ad3c46b09a0a4a504f9373ab6370260a3b70fd305f7a7b80959175ca84b454e · Passage 711bfff2b0d0c3eb5f18a8052209d238d91d9092bec736b81080210041fff983 · Zeichen 5500–6512 im Abschnitt
Wechselwirkungen · Viagra
VIAGRA 50 mg orodispersible tablets · Abschnitt 4.5 · PDF-Seite 20–21
HOS-088855 · Präparat HOS-083727
Riociguat: Preclinical studies showed additive systemic blood pressure lowering effect when PDE5
inhibitors were combined with riociguat. In clinical studies, riociguat has been shown to augment the
hypotensive effects of PDE5 inhibitors. There was no evidence of favourable clinical effect of the
combination in the population studied. Concomitant use of riociguat with PDE5 inhibitors, including
sildenafil, is contraindicated (see section 4.3).
20
Concomitant administration of sildenafil to patients taking alpha-blocker therapy may lead to
symptomatic hypotension in a few susceptible individuals. This is most likely to occur within 4 hours
post sildenafil dosing (see sections 4.2 and 4.4). In three specific drug-drug interaction studies, the
alpha-blocker doxazosin (4 mg and 8 mg) and sildenafil (25 mg, 50 mg, or 100 mg) were administered
simultaneously to patients with benign prostatic hyperplasia (BPH) stabilized on doxazosin therapy. In
these study populations, mean additional reductions of supine blood pressure of 7/7 mmHg,
9/5 mmHg, and 8/4 mmHg, and mean additional reductions of standing blood pressure of 6/6 mmHg,
11/4 mmHg, and 4/5 mmHg, respectively, were observed. When sildenafil and doxazosin were
administered simultaneously to patients stabilized on doxazosin therapy, there were infrequent reports
of patients who experienced symptomatic postural hypotension. These reports included dizziness and
light-headedness, but not syncope.
Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.
RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): riociguat (HOS-086293) lead (HOS-085592) doxazosin (HOS-088800)
Vollständigen Kontext in der EMA-Fachinformation lesen →Quellennachweis
Version 2026-10-13T10:49:00Z · SHA-256 6ad3c46b09a0a4a504f9373ab6370260a3b70fd305f7a7b80959175ca84b454e · Passage b828f8947fcc03e3016c59c4b438ec2d0048266fb83b7e546a68a4e887ecc849 · Zeichen 5054–6570 im Abschnitt
Wechselwirkungen · Viagra
VIAGRA 50 mg orodispersible films · Abschnitt 4.5 · PDF-Seite 34–35
HOS-088906 · Präparat HOS-083727
Concomitant administration of sildenafil to patients taking alpha-blocker therapy may lead to
symptomatic hypotension in a few susceptible individuals. This is most likely to occur within 4 hours
34
post sildenafil dosing (see sections 4.2 and 4.4). In three specific drug-drug interaction studies, the
alpha-blocker doxazosin (4 mg and 8 mg) and sildenafil (25 mg, 50 mg, or 100 mg) were administered
simultaneously to patients with benign prostatic hyperplasia (BPH) stabilized on doxazosin therapy. In
these study populations, mean additional reductions of supine blood pressure of 7/7 mmHg,
9/5 mmHg, and 8/4 mmHg, and mean additional reductions of standing blood pressure of 6/6 mmHg,
11/4 mmHg, and 4/5 mmHg, respectively, were observed. When sildenafil and doxazosin were
administered simultaneously to patients stabilized on doxazosin therapy, there were infrequent reports
of patients who experienced symptomatic postural hypotension. These reports included dizziness and
light-headedness, but not syncope.
Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.
RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): lead (HOS-085592) doxazosin (HOS-088800)
Vollständigen Kontext in der EMA-Fachinformation lesen →Quellennachweis
Version 2026-10-13T10:49:00Z · SHA-256 6ad3c46b09a0a4a504f9373ab6370260a3b70fd305f7a7b80959175ca84b454e · Passage 932582cb7cc2322730690119de4f4ff689c91448f308fb14d34667683466a2a1 · Zeichen 5501–6569 im Abschnitt
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