This suggests that PDE5 is involved in female sexual function, particularly genital arousal. It may be difficult to remain firm despite wanting to have sex. Stendra avanafil : This is an as-needed medication taken 30 minutes before sex and can last up to six hours. More serious side effects may include a drop in blood pressure or an erection that lasts longer than four hours. In females, sildenafil may also increase blood flow to the genitals. Shipping: Discreet, fast shipping is a must.Flibanserin (Addyi) is a Viagra-like drug for cisgender women and others assigned female at birth. Currently, Addyi is only available through certain prescribers and pharmacies. Siriporn Kaenseeya/EyeEm/Getty Images The FDA has approved two drugs to address FSIAD: Vyleesi (bremelanotide) The FDA states that this medication can treat FSIAD in . Where Is It Available? Consulting With a Provider Treating Underlying Causes Though often called “female Viagra,” Addyi (flibanserin) and Vyleesi (bremelanotide) are designed to .