An erection results from an increase in blood flow to the penis. Is there an equivalent of Viagra for women? Examples of 1 standard alcoholic drink include: one ounce regular beer, 5 ounces of wine, 1. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help. The medication should be injected in the stomach abdomen or thigh at least 45 minutes before anticipated sexual activity. Privacy: Confirm that your personal data and payment details are confidential.Extra 15% off $30 sitewide with code SAVE15; Clip your mystery deal! BOGO 50% off select Walgreens health & wellness. Viagra is the trade name of a drug called sildenafil, which treats erectile dysfunction in males. Sildenafil can also treat pulmonary arterial hypertension in a person of any sex. About 10% of. Medications Prescribed: Viagra, Cialis, Cialis Daily, Levitra, tadalafil, sildenafil, vardenafil. Generic offered: Yes. Why We Chose It. The simple combination of Rex MD’s online platform, its helpful customer service, and the abundance of ED treatment options make it a one-stop shop for all your sexual health needs.