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Medicines alprostadilQuestion & answer

alprostadil · Medicine question

What should I do if an erection lasts four hours?

iatroX medicinesPublished 18 August 2026Reviewed 18 August 2026

The answer

Answer

Seek emergency medical assessment immediately; delaying treatment can permanently damage erectile tissue.

Sources for this answer

Alprostadil 10 micrograms powder for solution for injectionemc · SmPC Current selected SmPC · Version 1
Vitaros 3 mg/g creamemc · SmPC Current selected SmPC · Version 2
Viridal Duo 40 micrograms/ml Powder and Solvent for Solution for Injection.

emc · SmPC Current selected SmPC · Version 27

Caverject Dual Chamber 10 microgramsemc · SmPC Current selected SmPC · Version 9

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alprostadil

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