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Quick summary

Type of medicine

phosphodiesterase type 5 (PDE5) inhibitors.



Active Ingredient

Vardenafil hydrochloride.

Effective within

Typically becomes effective within 25 to 60 minutes after ingestion.

Works by

Vardenafil aids men experiencing erectile dysfunction by inhibiting the activity of an enzyme known as PDE5. Typically, this enzyme degrades a substance crucial for penile blood flow, but Vardenafil impedes its action, enabling enhanced blood circulation and facilitating the attainment and maintenance of an erection when sexually stimulated.

Side effects

Common side effects of Vardenafil include headaches, dizziness, flushing, nasal congestion, and indigestion.

Medication details

This patient leaflet offers detailed information on Vardenafil, a phosphodiesterase type 5 inhibitor used in the management of erectile dysfunction in adult males. It elucidates the pharmacological mechanism of action, contraindications, potential drug interactions, dosage recommendations, adverse effects, and proper storage procedures. Emphasizing the significance of thorough comprehension, the leaflet underscores the necessity of consulting healthcare professionals for inquiries or uncertainties. Additionally, it highlights the importance of adverse event reporting and provides pertinent contact details for the medication's manufacturer.

Take Vardenafil before or after eating, around 25 to 60 minutes before having sex. Swallow the pill whole with water, and stick to the prescribed 10 mg dose once daily.


The ingredients in Vardenafil tablets include:

Vardenafil (the active ingredient)
Cellulose microcrystalline
Silica colloidal anhydrous
Titanium dioxide (E171)
Iron oxide yellow (E172)
Aspartame (E951)
Iron oxide red (E172)
Magnesium Stearate

Side Effects

Side effects of Vardenafil may include headaches, dizziness, flushing, stuffy or runny nose, and indigestion. Less common effects could involve changes in vision, muscle pain, or prolonged erections. In rare cases, individuals may experience allergic reactions, chest pain, or changes in blood pressure.


Exercise prudence when administering Vardenafil in the presence of cardiac ailments, arrhythmias, or penile anatomical anomalies. Vigilance for manifestations such as persistent erections, alterations in visual perception, or vertigo is warranted. Moreover, refrain from dispensing Vardenafil to individuals below 18 years of age. These measures are imperative to uphold the safety and efficacy of the medication.

Medically reviewed and published

  • This page was medically reviewed by Dr Sohaib Imtiaz, Clinical Lead on

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Please read our FAQs page to find out more.

What is Vardenafil used for?

Vardenafil is used to treat erectile dysfunction (ED) in adult men. It helps improve blood flow to the penis, facilitating the achievement and maintenance of an erection during sexual stimulation.

How do I take Vardenafil?

Vardenafil is typically taken orally, with or without food, about 25 to 60 minutes before engaging in sexual activity. The recommended dosage is usually 10 mg, and it should not be taken more than once a day.

What are the potential side effects of Vardenafil?

Common side effects of Vardenafil may include headaches, dizziness, flushing, nasal congestion, and indigestion. Less common side effects can include changes in vision, muscle pain, or prolonged erections. It's essential to consult a healthcare provider if any side effects occur.

Are there any medications or substances I should avoid while taking Vardenafil?

Yes, Vardenafil can interact with certain medications, particularly those containing nitrates, ritonavir or indinavir (used to treat HIV), and certain antifungal or antibiotic medications. It's crucial to inform your healthcare provider about all medications you are currently taking to avoid potential interactions.

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