The number of I am a woman, and I took Viagra stories seems to be rising. These stories are, however, anecdotal. If you are looking to determine the efficacy of Viagra in treating sexual issues among women, it’s essential to take a look at the existing scientific evidence, FDA approval status, and the drug’s mechanism of action.
Research is continuing, and new drugs are being developed, as a large part of the female population is affected by sexual issues. Approximately 40% to 45% of women today suffer from sexual dysfunction of some sort (1). Such a condition has a significant impact on a person’s quality of life and overall health (2).
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What Is Viagra?
The word Viagra is the brand name for sildenafil citrate. The drug is used for erectile dysfunction and pulmonary arterial hypertension treatment and was brought to the market by Pfizer, a pharmaceutical company in the US.
In the US, the FDA has not approved Viagra for women to use. Nonetheless, it can be prescribed off-label for those who are experiencing symptoms of sexual dysfunction.
Off-label prescription refers to the practice in which doctors prescribe a drug that has yet to be approved for a purpose that is entirely different from the purpose for which it was originally approved.
Viagra, in this case, has been approved by the FDA as a treatment for hypertension and erectile dysfunction in men. Off-label, prescription is acceptable when doctors deem a drug to be beneficial for the client’s health.
Sexual Dysfunction Treatment
Some women take Viagra as a treatment for sexual dysfunction. The symptoms of this condition include:
- Limited or nonexistent sexual thoughts
- Inability to generate or maintain interest in sex or sexual activities
- Anxiety and feelings of incompetence and frustration due to lack of arousal or sexual interest
- Lack of response to sexual stimulation
More and more women are considering this option because a decrease in overall sex drive typically comes with aging (3).
Viagra as Treatment for Other Diseases
Sildenafil is effective in treating specific conditions such as diabetes mellitus and after radical prostatectomy, an operation for removing the prostate and its surrounding tissues (4).
New data suggests that sildenafil has positive effects on chronic conditions, including idiopathic pulmonary hypertension, which is a type of high blood pressure affecting the arteries of the lungs and the right side of the heart, erectile dysfunction, and lower urinary tract symptoms (5).
Numerous medical articles reported that the drug could also improve endothelial function, which refers to the cells located at the interior of blood vessels and lymphatic vessels (6).
Sildenafil Mechanism of Action
Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor. Having the same function as other PDE5 inhibitors like vardenafil and tadalafil, sildenafil enhances guanosine monophosphate production.
Guanosine monophosphate (GMP) is a compound that regulates multiple tissue and cellular responses.
The effects of guanosine monophosphate in both men and women are that it relaxes smooth muscles cells, promotes vasodilation, and increases the flow of blood to the genital organs
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In women, particularly, the visible effects of guanosine monophosphate are engorgement of the clitoris and labia during sexual arousal.
Based on emerging data, sildenafil and other PDE5 inhibitors are expressed in vaginal and labial smooth muscles (7).
In one study regarding Viagra use in women, improvement of lubrication, arousal sensation, and orgasm was reported among women with FSAD (female sexual arousal disorder) only.
However, improvements were not observed among women with other sexual disorders, such as dyspareunia (painful sexual intercourse stemming from medical or psychological causes) due to vaginal dryness or hypoactive sexual disorder. There was no improvement in desire, pain, or enjoyment (8).
In another study, Italian researchers conducted a randomized, double-blind study among 51 young women aged 22 – 38. The women reported sufficient sexual desire but decreased arousal and were recruited from a sexual dysfunction clinic.
Sexual issues noted in this research include a lack of clitoral and vaginal sensation and insufficient vaginal lubrication. The women received 50 mg sildenafil in 4 weeks with a 1-week washout between treatments.
Significantly higher scores compared with placebo were noted in the following areas:
- Achievement of arousal and orgasm
- Enjoyment
- Frequency of intercourse
- Sexual fantasies
- Satisfaction with frequency
In this study, six women using a placebo discontinued treatment due to fear of potential problems and reported headache and vision problems. These effects were not clearly observed among sildenafil subjects (9).
I am a Woman, and I Took Viagra: Side Effects
Sildenafil use in females may lead to the following side effects:
- Headache
- Rhinitis
- Nausea
- Visual disturbances
Sildenafil is strictly contraindicated in people using oral or transdermal nitrates. These drugs have a hypotensive effect, which sildenafil can dangerously potentiate.
Effect Duration
Viagra typically starts to work 30 to 60 minutes after administration. Depending on the system response of the individual, it may take up to two hours to work.
Depending on the dosage and one’s metabolism, Viagra can last up to 5 hours. On average, it lasts for two to three hours before its effects begin to diminish.
No study has established that it can help make an individual last longer in bed.
An Alternative to Viagra
Viagra (sildenafil) has not been approved by the FDA for use in women; there is another drug that has received FDA approval: Flibanserin (Addyi).
Specifically, the agency recommends Flibanserin among premenopausal women with female sexual interest/arousal disorder (FSIAD), also known as hypoactive sexual desire disorder (HSDD.) The drug is available only through physicians and pharmacies approved by the agency.
Preliminary studies conducted on the drug only found that it can raise dopamine and norepinephrine levels, albeit it has an antagonist effect on serotonin (9, 10).
Dopamine and norepinephrine are hormones that promote sexual excitement. While dopamine boosts sexual desire, norepinephrine works to promote sexual arousal.
Flibanserin Contraindications
Using Flibanserin in place of Viagra, make sure you heed these warnings:
- Alcohol use – the risk of severe hypotension and syncope. Syncope is a temporary loss of consciousness due to low blood supply to the brain and therefore decreased levels of oxygen in the brain.
- Liver impairment – Just like with Viagra in women contraindications, Flibanserin is prohibited for use among those who have liver impairment of any degree. Aside from syncope and hypotension, the use of the drug can result in central nervous system depression.
- Coadministration with moderate or strong CYP3A4 inhibitors (clarithromycin, diltiazem, itraconazole, ketoconazole, erythromycin, ritonavir, verapamil, and grapefruit). Coadministration with moderate or potent CYP3A4 inhibitors increases Flibanserin levels, leading to hypotension and syncope.
“I am a woman, and I took Viagra” discussions might be proliferating, but it pays to be careful when reading anecdotal evidence. Talk to a medical professional when considering taking medication such as Viagra, and feel free to ask them any questions related to your care.
Delving into the nuances of Viagra's impact on women opens a fascinating window into its broader implications and uses. If your curiosity extends to understanding Viagra's role in the male experience, we've crafted a comprehensive guide that's just a click away. Dive into our in-depth exploration titled “How to Tell if a Man is Taking Viagra.” This guide is a treasure trove of insights, shedding light on the subtle indicators and broader consequences of Viagra usage among men. It's an invaluable resource for anyone eager to deepen their understanding of this topic, offering a well-rounded perspective on Viagra's influence across genders.
