Cialis 20mg contains tadalafil, a prescription medication used to treat erectile dysfunction (ED) and, in some cases, benign prostatic hyperplasia (BPH). It belongs to a class of drugs called PDE5 inhibitors, which work by improving blood flow to certain tissues in the body during sexual stimulation.
Cialis is a prescription-only medication and should be used under medical supervision.
Medical Uses
Cialis (tadalafil) is commonly prescribed for:
- Erectile dysfunction (ED)
- Benign prostatic hyperplasia (BPH) (enlarged prostate symptoms)
- In some cases, both conditions together
Potential Benefits
When used appropriately, tadalafil may:
- Improve ability to achieve and maintain an erection
- Increase blood flow to penile tissue during sexual stimulation
- Provide longer duration of action compared with some other ED medications
- Help relieve urinary symptoms related to BPH in some patients
How It Works
Tadalafil works by:
- Inhibiting the enzyme PDE5
- Increasing levels of cGMP
- Relaxing smooth muscle in blood vessels
- Enhancing blood flow during sexual arousal
One key feature is its long duration of action (up to ~36 hours) compared with similar medications.


















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