Filitra 40 mg, Cialis, and Levitra are all medications used to treat erectile dysfunction (ED) in men. While they share the same general purpose, they have differences in terms of active ingredients, dosages, onset of action, duration of effect, and potential side effects. Here's a general comparison:

Active Ingredients:

Filitra 40 mg contains vardenafil, which is also the active ingredient in Levitra.
Cialis contains tadalafil.
Dosage:

Filitra 40 mg contains 40 mg of vardenafil.
Cialis is available in various doses, including 2.5 mg, 5 mg, 10 mg, and 20 mg.
Levitra is available in various doses, including 5 mg, 10 mg, and 20 mg.
Onset of Action:

Filitra (vardenafil) and Levitra typically start working within about 30 to 60 minutes after taking the medication.
Cialis (tadalafil) has a longer onset of action, often starting to work within 30 minutes to 2 hours after ingestion.
Duration of Effect:

Filitra (vardenafil) and Levitra's effects typically last for around 4 to 5 hours.
Cialis (tadalafil) is known for its longer duration of action, which can last up to 36 hours. This has earned it the nickname "the weekend pill."
Food Interactions:

Filitra (vardenafil) and Levitra can be taken with or without food, though high-fat meals may delay their onset of action.
Cialis (tadalafil) can also be taken with or without food.
Side Effects:

All three medications can potentially cause side effects like headaches, flushing, nasal congestion, dizziness, and indigestion. The specific side effects and their severity can vary from person to person.
Interactions and Precautions:

Each medication may interact with certain medications or medical conditions, so it's important to consult a healthcare provider before using them.
Men with certain medical conditions, such as cardiovascular issues, should use these medications under medical supervision.