Tadalafil (Cialis) 20 mg

Tadalafil (Cialis) 20 mg is Hilma Biocare's long-acting PDE5 inhibitor, supplied as 10 tablets. It supports erectile function for up to 36 hours after a single dose, which is why it is often called the weekend pill.

What Tadalafil Is

Tadalafil is a selective phosphodiesterase type 5 inhibitor. PDE5 breaks down cyclic GMP, the second messenger that drives smooth-muscle relaxation and vasodilation. By inhibiting PDE5, tadalafil prolongs cGMP signalling and supports blood flow to erectile tissue. Its distinguishing feature is duration: the half-life of around 17 hours translates into a window of up to 36 hours. The 20 mg tablet is the standard on-demand strength.

The History of Cialis

Tadalafil was developed by Lilly ICOS and approved in 2003 as Cialis, five years after sildenafil launched the PDE5 class. Its longer duration gave it a clear point of difference, and it later gained approval for daily low-dose use and for benign prostatic hyperplasia. The brand became one of the most recognised medications in the world and helped normalise the treatment of erectile dysfunction.

How It Works

Tadalafil binds the PDE5 enzyme and prevents the breakdown of cGMP in vascular smooth muscle. Nitric oxide released during sexual stimulation raises cGMP, and with PDE5 inhibited the signal persists, producing sustained relaxation and increased blood flow. Tadalafil is metabolised mainly in the liver and excreted in bile and urine. Because it is selective for PDE5, it has less effect on other phosphodiesterases than older compounds.

What the Research Shows

• Clinical trials established tadalafil's efficacy and safety for erectile dysfunction.
• Studies show a duration of action of up to 36 hours.
• Daily low-dose regimens have been studied for continuous coverage.
• Tadalafil has also been investigated for pulmonary arterial hypertension and prostate symptoms.

Research Context

Tadalafil's long half-life has made it a subject of research beyond erectile dysfunction. Trials in pulmonary arterial hypertension showed improvements in exercise capacity, and tadalafil was approved for that indication. Daily low-dose regimens have been studied for continuous coverage and for lower urinary tract symptoms associated with benign prostatic hyperplasia. The main safety themes in the literature are vasodilation-related effects such as headache and flushing, and the interaction with nitrate drugs, which is absolute and well documented.

Strength, Pack and Authentication

The pack contains 10 tablets of 20 mg each, sealed in moisture-resistant blister strips inside a printed carton. The carton states the compound, strength and tablet count, and a scratch-off security code inside the box links the pack to Hilma Biocare's records. Each tablet delivers a consistent 20 mg dose.

Buying Cialis Online

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