Understanding ED Medications
This comprehensive guide covers the most effective and commonly prescribed erectile dysfunction medications available today.
Viagra (Sildenafil)
Viagra is one of the most well-known ED medications. It works by increasing blood flow to the penis, helping men achieve and maintain erections.
- Typical dosage: 25mg, 50mg, or 100mg
- Works within 30-60 minutes
- Effects last 4-6 hours
- Should not be combined with nitrates
Cialis (Tadalafil)
Cialis is known for its long-lasting effects, with some patients calling it the “weekend pill.”
- Dosage: 2.5mg, 5mg, 10mg, or 20mg
- Works within 30 minutes
- Effects last up to 36 hours
- Available as daily low-dose for continuous coverage
Tadalafil (Generic Cialis)
Generic tadalafil provides the same effectiveness as Cialis at a lower cost.
- Same active ingredient as Cialis
- FDA approved for ED treatment
- Various dosage options available
Safety Considerations
All ED medications should be taken under medical supervision. Common side effects include headache, flushing, and indigestion. Serious interactions can occur with nitrate medications.
When to Seek Medical Attention
Consult a healthcare provider if you experience chest pain, sudden vision loss, or priapism (erection lasting more than 4 hours).

