
Shingles is a viral infection that causes a painful skin rash. It is characterised by an itchy, blistering rash that typically develops in a band around the chest, abdomen, or torso. In rare cases, shingles can occur without a rash, a condition known as internal shingles or zoster sine herpete (ZSH). While the infection is not life-threatening, it can be extremely painful and uncomfortable. The early signs of shingles may include muscle aches, numbness, and tingling sensations, which can make it challenging to distinguish from a pulled muscle.
| Characteristics | Values |
|---|---|
| Rash | Painful, itchy, blistering |
| Pain | Mild to severe, sharp, stabbing, burning, prickly, intense |
| Flu-like symptoms | Fever, Headache, Fatigue |
| Other symptoms | Numbness, Tingling, Muscle aches, Nausea, Drowsiness, Seizures, Difficulty speaking, Depression, Anxiety, Insomnia, Weight loss, Memory loss, Changes in personality |
| Treatment | Antiviral medication, Painkillers |
| Prevention | Shingles vaccine |
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What You'll Learn

Shingles typically causes a painful rash
Shingles is an infection that typically causes a painful rash. It is caused by the varicella zoster virus (VZV), which is the same virus responsible for chickenpox. After a person has had chickenpox, the VZV virus remains dormant in their body for the rest of their life. If the virus reactivates, which can happen years later, it can cause shingles. The risk of infection increases with age, but it can also affect young adults and children.
The first sign of shingles is often pain that might feel like burning or tingling on one side of the face, chest, back, waist, or neck. This pain can be intense and is sometimes likened to the feeling of a pulled muscle. It can also cause flu-like symptoms, such as a headache, fever, and fatigue. A few days later, a rash typically develops in the area where the pain was felt. This rash is usually only on one side of the body or face, but it can spread to other areas or form all over the body.
The shingles rash looks similar to the chickenpox rash, but there is a key difference. While chickenpox blisters are scattered over the entire body, the shingles rash typically occupies a finite strip of skin. The rash usually appears as red or discoloured skin with pimples that quickly multiply into clusters and then develop into water-filled blisters. The blisters fill with clear fluid and can leave open sores, making the skin vulnerable to bacterial infections. The pain associated with the rash can be intense and may worsen as it develops. In some cases, the pain can be so severe that even grazing the skin with clothing can cause discomfort.
In rare cases, shingles can occur without a rash, a condition known as zoster sine herpete (ZSH) or "internal shingles." Internal shingles can cause symptoms such as muscle aches, numbness, tingling, stomach pain, headache, and hearing problems. Diagnosing internal shingles can be difficult without the telltale rash, and there is limited statistical data on this form of the condition.
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Shingles can occur without a rash (internal shingles)
Shingles is a viral infection caused by the varicella-zoster virus, which is the same virus responsible for chickenpox. After recovering from chickenpox, the virus enters the nervous system and remains dormant for years. In some cases, the virus may reactivate and cause shingles. While shingles typically manifest as a painful rash, it can also occur without a rash, a condition known as "internal shingles" or zoster sine herpete (ZSH).
Internal shingles are characterised by the absence of the telltale rash commonly associated with shingles. This form of shingles is rare and often goes undetected. It can affect people of any age, but the risk increases with advancing age and is more prevalent in individuals who are older or have underlying health issues.
The symptoms of internal shingles can vary and may include muscle aches, numbness, tingling, stomach pain, facial palsy, hearing difficulties, and headaches. Some individuals may also experience flu-like symptoms such as fever, chills, and digestive issues. It is important to note that the pain associated with internal shingles may be more intense compared to typical shingles.
Diagnosing internal shingles can be challenging due to the absence of a rash. Doctors may need to conduct additional tests to confirm the condition. As with shingles, there is no cure for internal shingles, but early treatment with antiviral medications can help reduce the severity of symptoms and lower the risk of long-term complications such as chronic pain.
While the exact triggers for shingles or internal shingles are not fully understood, certain factors can increase the risk of developing shingles. These include age, a weakened immune system, chronic illnesses, and stress. It is important to seek medical advice promptly if you suspect shingles, especially if you experience pain or other symptoms without a rash.
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Shingles can cause flu-like symptoms
Shingles is caused by the varicella-zoster virus (VZV), which is the same virus that causes chickenpox. The virus stays dormant in the body, settling in certain nerves and tissues of the nervous system. Years later, it can reactivate and present itself as shingles. The biggest risk factor for shingles is whether you previously had chickenpox.
Shingles typically causes blisters and rashes on the skin. The most obvious symptom of shingles is a painful, blistering rash on one side of the body. The rash usually develops in a band around the chest and abdomen area on one side of the body. However, in rare cases, a rash may not be present at all, which is known as "internal shingles" or zoster sine herpete (ZSH).
- Extreme, unexplained fatigue
- A general feeling of being unwell
- Nausea, which can progress to the point of being flu-like, although vomiting is uncommon
- Sharp stomach pains, diarrhoea, and a lasting feeling of queasiness
- Tingling or numbness, which may occur just before the shingles rash develops
- Headache
- A feeling of having chills or "creepy crawlies" under the skin
These flu-like symptoms can range from mild to severe, with people aged 50 and older more likely to experience more severe effects.
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Shingles can cause neurological symptoms
Shingles, also known as herpes zoster, is a skin disease caused by the varicella-zoster virus (VZV). This virus is the same one that causes chickenpox. After a person recovers from chickenpox, the virus stays dormant in the body, settling in certain nerves and tissues of the nervous system. Later in life, the virus can reactivate and present itself as shingles.
Shingles typically causes a painful blistering rash on one side of the body. However, in rare cases, a person may experience other symptoms without a rash, a condition referred to as "internal shingles" or zoster sine herpete (ZSH). Symptoms of internal shingles may include muscle aches, numbness, tingling, stomach pain, facial palsy, hearing problems, and headaches.
The pain associated with shingles can be intense and debilitating, and it may persist even after the rash disappears. Vaccination and early treatment can help reduce the risk of complications and minimize pain. People aged 50 and older are more likely to experience more severe effects of shingles, and the CDC advises people aged 60 and over to get the shingles vaccine.
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Shingles can cause complications in the eyes
Shingles typically cause a painful rash and blisters on the skin. However, in rare cases, a person may experience shingles without a rash, a condition called "internal shingles" or zoster sine herpete (ZSH). The first symptom of shingles is often pain, which can feel like a dull throbbing or a sharp, burning sensation.
Shingles can also cause complications in the eyes, called ophthalmic herpes zoster or herpes zoster ophthalmicus. Up to 20% of shingles cases involve nerves in the head, where the infection can affect various parts of the eye. Shingles in the eye can lead to serious and long-term complications, including vision loss, and requires immediate care. When shingles involve the retina or optic nerve, it is called viral retinitis and is not usually associated with a skin rash or other symptoms at the eye's surface.
Shingles in the eye can cause corneal damage, including keratitis, which can lead to numbness, scarring, additional infections, and ultimately blindness. It can also cause swelling of the retina and increased eye pressure, which can lead to glaucoma, a disease that damages the optic nerve. Early diagnosis and treatment of shingles in the eye are crucial to reducing the risk of long-term complications. Treatment options include oral antiviral medications, oral corticosteroids, eye drops, and pain medications.
It is important to note that shingles in the eye is a medical emergency, and anyone who suspects they have shingles in their eye should seek immediate medical attention. A doctor will perform a physical examination, ask about symptoms, and use instruments such as a slit lamp and an ophthalmoscope to examine the eye closely. Early treatment can reduce the risk of complications and the overall severity of the infection.
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Frequently asked questions
The most obvious symptom of shingles is a painful, blistering rash on one side of the body. Other symptoms include flu-like symptoms, such as fever, headache, and fatigue. Shingles can also cause neurological symptoms, such as numbness, tingling, and burning pain in the affected area.
While a pulled muscle may feel similar to the muscle aches associated with shingles, it is not a typical symptom of shingles. Shingles is characterised by a painful rash and other systemic symptoms affecting the whole body. However, in rare cases of internal shingles, a rash may not be present, and muscle pain may be the only indication.
Internal shingles, or zoster sine herpete (ZSH), is a rare form of shingles where the characteristic rash is not present. Instead, symptoms may include muscle aches, numbness, tingling, and stomach pain. Internal shingles can be difficult to diagnose as the rash is often a telltale sign of classic shingles.
Internal shingles is treated similarly to classic shingles. A doctor may prescribe medications to manage symptoms, and it is recommended to seek medical attention promptly to prevent potential complications.











































