The government ordered Pfizer Inc. to yank cheeky television ads that promised better sex for men taking Viagra because they failed to disclose known risks associated with the drug, according to a letter released on Monday.

The Proclaimers' rousing anthem I'm Gonna Be (500 Miles) used in advert for Viagra. Leith duo's much-loved anthem is given a 'romantic twist' in animated advert for erectile dysfunction pills. Watch more of our videos on Shots!

Other brand names: Aronix, Liberize, Nipatra, Revatio, Grandipam. Find out how sildenafil treats erection problems and pulmonary hypertension and how to take it.

People who took the drug sildenafil were less likely to develop Alzheimer's disease. In cultured human neurons, sildenafil enhanced growth and reduced Alzheimer's biomarkers. The findings support further investigation of sildenafil as a possible treatment for Alzheimer's disease.

The stateside debut of British actress Linette Beaumont signals a marketing shift for Viagra's maker, Pfizer.

All the through the ad, groaning and growling and playing his harmonica, is Howlin' Wolf, doing his 1956 blues hit, 'Smokestack Lightning.

Sildenafil is a medicine used to treat erection problems (erectile dysfunction). Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs).

Fidelino participated in the naming of Viagra, which was the first pill that worked to address erectile dysfunction. The name was chosen because “it expresses vim, vigor, and vitality that a man was looking to experience and achieve in overcoming erectile dysfunction,” says Fidelino.

When used in women, Viagra is thought to raise blood flow to the genitals so that there's more sensitivity and stimulation. Studies have shown that Viagra may provide a benefit for women having difficulty with sexual arousal - since it may help them respond better to sexual stimulation.

Sildenafil is a medicine used to treat erection problems (erectile dysfunction). Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs).

Who can have it? Viagra Connect is only for men who have impotence. No-one under the age of 18 can buy it, although women might be able to buy it on behalf of their partner if the pharmacist is satisfied it is appropriate to dispense it.

The discovery that active ingredient in Viagra known as sildenafil could lead to an erection wasn't exactly a planned event. The sildenafil compound was originally developed by Pfizer for the treatment high blood pressure (hypertension) and angina pectoris (chest pain due to heart disease).