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Shingles can occur anywhere on the body, including the legs and groin. You may experience unique discomfort, but it will be no less intense than an individual that develops shingles on their torso or face.
Shingles usually affects only one side of the body. Although it normally appears on one side of your face or neck, that does not mean you should rule it out in other circumstances. For example, if you develop a painful, blistering rash on one side of the leg or groin, it is possible that it could be shingles.
Although blistering and a red or discolored patch are perhaps the most noticeable shingles symptoms, they are not always the first to appear. You may suffer pain, itching, or tingling for the first several days.
There are cases in which shingles pain remains despite developing a minor or no rash. A localized rash with a characteristic band-like appearance subsequently follows it. The rash may first seem flat before developing clusters of fluid-filled vesicles that eventually dry out and break open before turning crusty 7–10 days later.¹
Other symptoms may include headaches, fever, malaise, and an upset stomach. You may also develop a sensitivity to intense light, known as photophobia, and to touch, particularly in the affected area.
The appearance of shingles on your legs may depend on the severity of your infection and the pigmentation of your skin. For instance, shingles may appear reddish if you have fair skin, whereas it may appear brown or like darker-colored pigmentation if you have melanated skin.
As earlier stated, shingles appears as a blistering rash solely on a single side of your body, usually covering a band-like pattern. Shingles may start as a painful or tingling sensation on the skin before becoming a rash or cluster of fluid-filled blisters.
Shingles is triggered by the reactivation of the varicella-zoster virus (VZV), which is also responsible for varicella (chickenpox). If you have suffered from chickenpox in the past, you are at risk of developing shingles.
This is because the VZV can remain inactive in your body for several years after you have recovered from chickenpox. This virus lies latent in the nerve roots until it is reactivated.
Shingles frequently appear as a band because the VZV primarily attacks nerve cells and follows the trajectory of a nerve. As a result, the virus may target the major nerves that stretch from your spine down your legs, causing the rash to emerge on your groin or one leg.
Although the exact trigger of dormant VZV reactivation is unknown, several risk factors can increase your risk of developing shingles. These involve:
Cancer therapies: Chemotherapy or radiation might weaken your immune system, raising your chances of developing shingles.
Certain drugs: Taking anti-rejection drugs for transplanted organs may increase your risk of shingles. In addition, if you use steroids such as prednisone for an extended period, your chance of developing shingles increases.
Some illnesses: Conditions such as HIV/AIDS and cancer, particularly lymphoma and leukemia, affect your immune system and increase your risk of shingles.
Older age: As you get older, your chances of getting shingles increase. If you are over 50, you are at significant risk of shingles. Furthermore, if you are over 60, you are much more likely to have more serious issues.
Poor well-being: When you are under a lot of psychological or physical stress, your immune system may be worn down, making it more difficult to defend against viruses like shingles.
Shingles can last three to five weeks on your legs and groin, from when you first detect symptoms to when the rash entirely clears. At first, you may feel an itching or stabbing pain on your skin after several days before the rash forms. This is accompanied by a patch that may form on one of your legs or one side of your groin.
After three to four days, the rash may turn red, fluid-filled, painful open blisters. After around ten days, these blisters typically dry out and scab over. The scabs will fall off in two to three weeks.
Even though there is no cure for shingles, it typically disappears on its own. However, because of the discomfort it causes, there are numerous treatments available to help manage the symptoms. Such as:
Medications such as acyclovir (Zovirax®), valacyclovir (Valtrex®), and famciclovir (Famvir®) may help you reduce the intensity of symptoms and shorten the duration of shingles.
Pain relievers, whether over-the-counter or prescribed by your doctor, may help alleviate the pain induced by shingles. Doctors may also recommend over-the-counter pain relievers such as acetaminophen (Tylenol®) and ibuprofen (Motrin®, Advil®).
Apart from consulting your doctor, there are some other ways you can manage your rash from shingles at home:
Avoid stress since it can trigger shingles
Dress comfortably in natural-fiber garments
Eat a balanced diet to strengthen your immune system and help reduce the chances of recurrent breakouts of the rash
Soothe your skin with an oatmeal bath or calamine lotion
Try easy fitness routines such as stretching or walking
Keep your affected skin area cool by applying a cool washcloth (This may also help relieve pain.)
Get adequate rest
Keep the area clean or cover the rash to avoid touching it to prevent secondary infections
Shingles rash can lead to complications, including postherpetic neuralgia (PHN), a pain that remains in the infected area over 90 days after the rash appears. Sometimes, it can linger for weeks, months, or even years.
The risk of having PHN increases with age, with older people being more likely to experience more intense pain that can last anywhere between three months and many years after the resolution of the shingle rashes.
Shingles can cause serious eye problems, such as blindness. Very infrequently, it can also result in complications like:
Problem with hearing
Obtaining the Shingrix vaccine is the most effective method of preventing shingles rash and related complications. Getting vaccinated is especially crucial if you are over 19 and have a compromised immune system or are over 50. This vaccine strengthens our immune system, lowering our chances of suffering shingles.
The Shingrix vaccine can help shorten the duration of the shingles rash and make the symptoms less severe. It is important to point out that all individuals eligible for the shingles vaccine can get it, even if they have never had chickenpox (varicella). A routine blood test to confirm the presence of past exposure to chickenpox or previous vaccination for chickenpox is not recommended.
You should seek medical help if you have previously been diagnosed with chickenpox and are having pain and itching in a band-like blistery rash formation on your leg or groin.
The earlier you begin antiviral treatment, the more likely you are to reduce the duration and severity of your symptoms. Ensure that you seek medical attention within three days of the onset of the symptoms.
Shingles usually go away within a couple of weeks but can recur. If your symptoms do not improve after ten days, see a physician for further check-ups and reassessment.
Shingles is a painful, blistery rash that affects up to one-third of the population. It develops when the varicella-zoster virus reactivates due to an impaired immune system.
Shingles rash typically appears in a band-like formation on the torso or face — however, it can also appear on other parts of the body, including the legs and groin. This infection starts as a painful or sometimes itchy rash and progresses to a cluster of fluid-filled blisters that, if left untreated, can cause complications like blindness.
Several risk factors increase your chances of getting shingles. For instance, your age raises your chances of developing the condition, with a greater risk beyond 50 years.
It's also important to understand that while shingles rash normally goes away on its own, certain antiviral drugs can reduce the severity and duration of symptoms and lower your risk of complications.
Signs & symptoms | Centers for Disease Control and Prevention
Shingles: Signs and symptoms | American Academy of Dermatology Association
Shingles | National Institute on Aging
Clinical overview | Centers for Disease Control and Prevention
The surprising link between shingles and stress | Dispatch Health
Treating shingles | Centers for Disease Control and Prevention
Shingles: Tips for managing | American Academy of Dermatology Association
Complications of shingles | Centers for Disease Control and Prevention
Shingles vaccination | Centers for Disease Control and Prevention