Key Differences Between Sildenafil and Tadalafil
How Long Each Treatment Lasts
The most significant difference between sildenafil and tadalafil is duration of action. Sildenafil citrate typically remains effective for 4-6 hours after taking a dose, making it suitable for planned sexual activity. Tadalafil, however, can remain active in your system for up to 36 hours, earning it the nickname "the weekend pill" due to its longer window of opportunity.
Speed of Action and Food Effects
Both medications typically start working within 30-60 minutes of taking them. However, sildenafil may be delayed by fatty meals, whilst tadalafil is less affected by food consumption. This makes tadalafil potentially more convenient if you prefer not to plan around meals. Neither medication causes automatic erections - sexual arousal is still required for both treatments to work effectively.
Cost Considerations
Generic sildenafil is often more cost-effective than tadalafil, making it an attractive option for men seeking affordable ED treatment. At EverydayMeds, patients can choose between generic sildenafil or branded Viagra at checkout, allowing you to select the option that best fits your budget and preferences. The active ingredient remains the same regardless of whether you choose the generic or branded version.
Dosage and Frequency
Sildenafil is available in 25mg, 50mg, and 100mg strengths, with 50mg being the typical starting dose. It's taken as needed, with a maximum of one dose per 24 hours. Tadalafil comes in 2.5mg, 5mg, 10mg, and 20mg tablets. Lower daily doses (2.5mg or 5mg) can be taken every day, whilst higher doses (10mg or 20mg) are used as needed, similar to sildenafil.
Side Effects Profile
Both medications share similar side effects as they work through the same mechanism - inhibiting the PDE5 enzyme. Common side effects may include headaches, facial flushing, indigestion, and nasal congestion. Some men report that tadalafil causes fewer visual disturbances compared to sildenafil, though this varies between individuals. Back pain and muscle aches are slightly more common with tadalafil.
Which Treatment Might Suit You Better
Consider sildenafil if you prefer a shorter-acting treatment that's more budget-friendly and you don't mind planning around meals. The 4-6 hour window may be sufficient for most sexual encounters. Tadalafil might be more suitable if you value spontaneity and prefer not to time your medication closely with sexual activity. The longer duration means less planning is required.
Contraindications and Safety
Both medications have similar contraindications. Neither should be taken with nitrate medications (such as GTN spray) due to dangerous blood pressure drops. Men with severe heart conditions, recent strokes, or those taking certain blood pressure medications should consult their prescriber before using either treatment. Both require a clinical assessment to ensure they're safe and appropriate.












