In females, sildenafil may also increase blood flow to the genitals. Potential side effects can include nausea, headache, vomiting and reactions at the injection site. Research into the potential risks and benefits of Viagra for women is limited. However, your healthcare provider may prescribe it for off-label use in female sexual arousal disorder FSAD —a type of sexual dysfunction characterized by low sex drive libido in females. From Mayo Clinic to your inbox Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. A tablet of flibanserin Allen G. Viagra sildenafil is a prescription medication approved for treating erectile dysfunction ED in adult males.Does Viagra Have an Effect on Women? Medically reviewed by Alexandra Perez, PharmD, MBA, BCGP Viagra is not approved for use in women and studies thus far have had . How to get it. Alternative methods. Summary. Sildenafil (Viagra) treats erectile dysfunction in males. In the United States, two drugs have been approved to treat low libido in . Shop sexual enhancement pills for women at CVS today! Browse a variety of top brands that help increase female libido like women’s Viagra. Buy online and pick up in store or .