Shingles or genital herpes?
Hello Doctor, recently I developed a small cluster of blisters in the perineal area (with no symptoms in the scrotum or anus).
They were itchy and uncomfortable when sitting.
After a medical examination, the doctor diagnosed it as genital herpes, and my blood test showed an IgM value of 1.5 (with no IgG value tested), so I accepted this diagnosis.
However, upon reflection, before the blisters appeared, I experienced deep nerve pain in my left buttock, which also caused slight numbness in my left foot.
When the blisters occurred, I had widespread itching on my back, and even after the blisters crusted over and showed no symptoms, the nerve pain in my left buttock still occasionally recurs.
This made me wonder if it could possibly be shingles? (I did not inform the doctor about the nerve pain at that time.) Additionally, I received the varicella vaccine last year, which might have resulted in only a small cluster of symptoms? I would appreciate your insights on this possibility.
Thank you.
Malk, 30~39 year old female. Ask Date: 2022/11/06
More Info
Genital herpes and shingles are both caused by viruses from the herpes family, specifically the herpes simplex virus (HSV) and the varicella-zoster virus (VZV), respectively. Understanding the connection between these two conditions can be complex, especially when symptoms overlap or when a patient has a history of both.
Genital herpes is primarily caused by HSV-2, although HSV-1 can also cause genital infections. Symptoms typically include painful blisters or sores in the genital area, which can be accompanied by itching or discomfort. In your case, the presence of small clusters of blisters in the perineal area aligns with typical genital herpes symptoms. The IgM test result of 1.5 indicates a recent infection, but it is important to note that IgM tests can sometimes yield false positives or be less reliable than IgG tests, which are more definitive for diagnosing herpes infections.
On the other hand, shingles, or herpes zoster, occurs when the varicella-zoster virus, which causes chickenpox, reactivates in the body. This can happen years after the initial chickenpox infection, often triggered by stress, illness, or a weakened immune system. Shingles typically presents as a painful rash that follows a dermatomal distribution, often accompanied by nerve pain, known as postherpetic neuralgia, which can persist even after the rash resolves.
Your experience of deep nerve pain in the left buttock and mild numbness in the left foot prior to the appearance of the blisters could suggest a neurological component, potentially indicating that the virus may have affected the nerves in that area. However, without a visible rash or other classic symptoms of shingles, it is difficult to definitively conclude that you had shingles at the same time as your genital herpes outbreak.
The fact that you received the varicella vaccine last year is also relevant. Vaccination can reduce the severity of shingles if the virus reactivates, which might explain why your symptoms were milder or localized. However, it does not completely prevent the possibility of developing shingles.
In summary, while there is a connection between genital herpes and shingles due to their viral origins, the symptoms you described are more consistent with a genital herpes outbreak. The nerve pain you experienced could be related to the herpes infection or could be a separate issue altogether. It is essential to communicate all symptoms to your healthcare provider, including any neurological symptoms, to ensure a comprehensive evaluation and appropriate management.
If you continue to experience nerve pain or have concerns about the possibility of shingles, it would be advisable to follow up with your healthcare provider. They may consider further testing or referral to a specialist, such as a neurologist, to explore the underlying causes of your symptoms and provide appropriate treatment options.
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