Unveiling the Truth: Does Viagra Pose a Threat to Male Fertility?
Introduction
Viagra, also known as sildenafil, is a medication used to treat erectile dysfunction. It works by increasing blood flow to the penis, which helps men achieve and maintain an erection. However, some men are concerned that taking Viagra may decrease their sperm count. In this article, we will explore the evidence behind this claim and try to answer the question: does Viagra decrease sperm count?
What is Sperm Count?
Sperm count refers to the number of sperm present in a man’s semen. A healthy sperm count is important for fertility, as it increases the chances of fertilizing an egg. The normal range for sperm count is between 15 million to more than 200 million sperm per milliliter of semen. A low sperm count is defined as having fewer than 15 million sperm per milliliter of semen.
How does Viagra work?
Viagra works by blocking an enzyme called phosphodiesterase type 5 (PDE5), which is responsible for breaking down a chemical called cyclic guanosine monophosphate (cGMP). cGMP is responsible for relaxing the smooth muscles in the penis and increasing blood flow to the area, which leads to an erection.
Does Viagra affect sperm count?
There is conflicting evidence on whether or not Viagra affects sperm count. Some studies suggest that Viagra may decrease sperm count, while others suggest that it has no effect. One study found that men who took Viagra had a slight decrease in sperm concentration but no significant change in overall sperm count or motility.
How does Viagra affect fertility?
While there is some evidence to suggest that Viagra may decrease sperm count, it does not necessarily mean that it will affect fertility. Other factors that can affect fertility include the quality and motility of the sperm as well as other factors such as ovulation and fertilization.
Who should not take Viagra?
Viagra is not suitable for everyone. Men who are taking nitrates for chest pain or alpha-blockers for prostate problems should not take Viagra, as it can cause a dangerous drop in blood pressure. It is also not recommended for men who have certain medical conditions such as severe liver or kidney disease, low blood pressure, or a history of stroke or heart attack.
What are the side effects of Viagra?
Like all medications, Viagra can cause side effects. The most common side effects include headache, flushing, indigestion, and nasal congestion. More serious side effects are rare but can include sudden vision loss, hearing loss, or an erection that lasts longer than four hours.
How can I improve my sperm count?
If you are concerned about your sperm count, there are several things you can do to improve it. These include maintaining a healthy weight, eating a balanced diet rich in vitamins and minerals, avoiding alcohol and tobacco, reducing stress levels, and getting regular exercise.
Can I take Viagra if I want to have children?
If you are trying to conceive, it is important to talk to your doctor before taking Viagra. While there is some evidence to suggest that it may decrease sperm count, it does not necessarily mean that it will affect fertility. Your doctor can help you weigh the risks and benefits of taking Viagra and recommend other treatments if necessary.
Conclusion
In conclusion, the evidence on whether or not Viagra decreases sperm count is mixed. While some studies suggest that it may have a slight effect on sperm concentration, it does not necessarily mean that it will affect fertility. If you are concerned about your sperm count or fertility, it is important to talk to your doctor before taking Viagra or any other medication.
References
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2. Goldstein I, Lue TF, Padma-Nathan H, Rosen RC, Steers WD, Wicker PA. Oral sildenafil in the treatment of erectile dysfunction. Sildenafil Study Group [published correction appears in N Engl J Med 1998 Sep 24;339(13):942]. N Engl J Med. 1998;338(20):1397-1404. doi:10.1056/NEJM199805143382001
3. Kadioglu A, Grohmann W, Depko A, Levinson IP, Sun F, Collins S. Quality of erections in men treated with flexible-dose sildenafil for erectile dysfunction: multicenter trial with a double-blind, randomized, placebo-controlled phase and an open-label phase. J Sex Med. 2008;5(3):726-734. doi:10.1111/j.1743-6109.2007.00750.x
4. Mancini JG, Filho JMBD, Cavalcante IPM, et al. Sildenafil citrate decreases sperm density and increases the percentage of abnormal sperm in mice [published online ahead of print, 2021 Jan 22]. Andrologia. 2021;e13927. doi:10.1111/and.13927
5. Padma-Nathan H, Steers WD, Wicker PA. Efficacy and safety of oral sildenafil in the treatment of erectile dysfunction: a double-blind, placebo-controlled study of 329 patients. Sildenafil Study Group. Int J Clin Pract. 1998;52(6):375-379.
