Shingles is a viral nerve disease that in most people begins with severe burning and pain, followed by a one-sided rash. When treated early, the recovery process can be more comfortable. However, cases developing particularly around the eye can lead to serious complications, so it is important that they are evaluated without delay.
Known medically as herpes zoster, this disease occurs when the Varicella-Zoster virus, the causative agent of chickenpox in childhood, reactivates years later. It is a very common condition in society; approximately 1 in every 3 people can encounter it at some point in their lives. Its incidence increases with age and most commonly appears in people over the age of 50. Therefore, it is valuable for middle-aged and older individuals in particular to recognize the symptoms in order to take the right step at an early stage.
The widespread use of the chickenpox vaccine and the general aging of the population cause awareness on this subject to gain increasing importance. Individuals who recognize the symptoms early both have a more comfortable process and increase their chances of protecting themselves from potential complications.
What is Shingles?
This disease occurs when a virus that has waited silently in your body for years awakens again. This virus is actually not foreign: it is the same virus that is the agent of the chickenpox you had as a child. After chickenpox passes, the virus is not completely eliminated from the body; it essentially goes "to sleep" inside nerve cells and can remain there for years without showing any symptoms.
As long as your immune system is strong, the virus cannot come out of this sleep. However, when your immunity weakens in any way, the virus becomes active again, travels along the nerve where it has settled, and forms the typical rash on your skin in the area supplied by that nerve. In short, this condition is not a new disease; it is the return of a virus that settled in your body in the past.
Many people experience this return only once in their lifetime. Symptoms generally subside within a few weeks, but how the process will progress can vary from person to person. Therefore, consulting a physician without waiting when you notice the first symptoms helps both make the process more comfortable and prevent potential problems.
What Causes Shingles?
The sole cause of this disorder is the reactivation of the virus hidden in nerve cells following a past case of chickenpox. Therefore, this condition is not seen in someone who has never had chickenpox or has not been vaccinated against chickenpox; an immune system that has never met the virus before cannot "awaken" it because there is no sleeping virus present.
How Does the Varicella-Zoster Virus Reactivate?
After having chickenpox, the virus settles in the nerve roots close to the spinal cord and hides there. A healthy immune system constantly keeps this virus under pressure, not allowing it to multiply. Exactly at this point, what comes into play is the strength of your immunity: when your immune system weakens for any reason, this control over the virus loosens.
When control weakens, the virus starts to multiply again, travels towards the skin along the nerve where it has settled, and leads to rash and pain in the skin area supplied by that nerve. Therefore, the rash is always seen in a band-like shape along the path followed by a nerve and does not cross to the opposite side of the body. This feature is one of the most important signs that physicians pay attention to when making a diagnosis.
What Are the Factors That Increase the Risk of Shingles?
There are some factors that can increase your probability of contracting this condition. Having one of the following does not necessarily mean you will get sick; it just shows that your risk may be slightly higher:
- Being over 50 years of age: As age progresses, the immune system naturally weakens somewhat, and control over the virus may decrease.
- Having a disease that weakens immunity: HIV, cancer, or certain autoimmune diseases fall into this group.
- Receiving a treatment that suppresses immunity: Chemotherapy, long-term cortisone use, or medications after an organ transplant are examples of this.
- Experiencing intense stress and insomnia: It can indirectly tire your immune system and lower your resistance.
- Having recently had a severe infection or surgery: During these periods when the general load of the body increases, immunity can temporarily weaken.
If you fall into one of these risk groups, seeing a physician without waiting when you notice the first symptoms is important in terms of both making the treatment more effective and reducing the risk of complications. It should be remembered that this condition can also be seen in people who do not have any of the risk factors, and symptoms must be taken seriously at any age.
What Are the Symptoms of Shingles?
This disease does not appear all at once; it progresses in several stages. The severity of the symptoms can vary from person to person, depending on the affected area and your general health status. While the process is quite mild for some people, for others it can be discomforting enough to significantly affect daily life.
Knowing the sequence of symptoms can help you follow the process more comfortably. In general, it follows a course of first a mild feeling of discomfort, followed by distinct pain, and finally a visible rash. Different things may catch your attention in each of these stages, which is why we discuss each of them separately below.
Initial Shingles Symptoms
1-5 days before the rash appears, you may notice the following symptoms in the area where the disease will emerge:
- Nerve pain in the form of a burning or stinging sensation on one side
- Extreme sensitivity felt even with the lightest touch
- A feeling of tingling or numbness
- Mild fever and feeling tired
- Headache and general malaise
Since there is no rash yet during this period, the pain can be mistaken for muscle pain or a heart-related complaint. However, the fact that the pain is felt only on one side of the body, along a band-like line, is an important clue that should bring this disease to mind.
These symptoms may be experienced mildly or markedly from person to person; their severity does not give a definitive idea of how uncomfortable the rash that will appear afterwards will be.
What Does the Shingles Rash Look Like?
Following the initial symptoms, the rash, which is the main noticeable finding, appears. The rash generally follows this course:
- First, reddish, slightly raised spots are seen.
- Within a short time, these spots turn into small blisters filled with clear fluid.
- The blisters become cloudy within a few days and may rupture.
- Finally, crusting begins, and the rash heals within 2-4 weeks.
The most striking feature of the rash is that it remains limited in the form of a stripe or band in the area supplied by a single nerve, without ever crossing the middle of the body. This feature is the most important sign distinguishing this condition from other skin diseases. As long as the rash is active, pain, itching, and occasionally a burning sensation may continue in the area; as crusting completes, this discomfort generally begins to decrease.
Symptoms of Shingles Without a Rash
Sometimes—though rarely—nerve pain can be experienced without any rash appearing at all. In medicine, this is called "zoster sine herpete." Because there is no rash, diagnosis can become difficult; patients sometimes apply to different branches without understanding the source of the pain. If you have unexplained, unilateral pain progressing in a band-like manner, it is recommended that you consult a physician; the diagnosis can be clarified with a detailed history and, if necessary, additional tests.
In Which Parts of the Body Does Shingles Appear?
This disease can appear in different parts of the body depending on which nerve is affected. Where the rash breaks out determines both the nature of the complaints and the risks that need to be considered. Theoretically, it can appear in the region supplied by any nerve originating from the spinal cord; but in practice, certain areas are affected more frequently than others. Let's look at these now.
Knowing which area is affected guides both you and your physician correctly. While some locations (especially around the face, eyes, and ears) require closer monitoring, locations on the trunk generally follow a calmer course. Still, consulting a physician in any case is the safest approach.
Shingles on the Face and Around the Eyes
When the nerve supplying the eye is affected, a rash forms in an area encompassing the forehead, eyelid, and tip of the nose. This is called ophthalmic shingles and requires urgent evaluation because it can threaten the eye. Since complications such as corneal damage can lead to vision loss, it is important to apply to a health institution without wasting time in case of a rash on the face or around the eyes.
The appearance of a rash on the tip of the nose is an important sign that the probability of eye involvement is high. In this case, both your skin and your eye may need to be evaluated together; therefore, instead of waiting alone and hoping it will heal, it is recommended to get professional support for rashes seen in this area.
Shingles in the Ear and Ramsay Hunt Syndrome
When the virus affects the facial and auditory nerves, a condition called Ramsay Hunt Syndrome may occur. A rash in the ear and auricle, earache, hearing loss, dizziness, and weakness on one side of the face (facial paralysis) may be seen. Since this condition carries the risk of permanent hearing loss or facial paralysis, it is essential to see a specialist in the early period.
The earlier treatment is started, the more likely facial paralysis is to reverse. Therefore, when you notice sudden pain in your ear, a rash, and an asymmetry in your face, applying to a health institution without waiting can significantly increase your chance of recovery.
Shingles on the Back, Chest, and Waist
Its most common location is the trunk; meaning the chest cage, back, or waist area. In these areas, the rash appears in the form of a band following the line of the ribs, always on one side. The contact of clothing with the skin, breathing, or even a light touch can lead to noticeable pain in this area.
Pain felt in the chest can sometimes be mistaken for heart issues, and pain in the waist for musculoskeletal problems like a lumbar hernia. It can be difficult to make this distinction before the rash appears; in sudden-onset pains felt only on one side, especially if the rash appears within a few days, consulting a physician is the right thing to do.
Is Shingles Contagious?
The disease itself is not a directly contagious disease from person to person like the flu. However, someone who has never had chickenpox or been vaccinated and who contacts the fluid inside the blisters in the rash can contract the same virus, and a chickenpox condition develops in them.
The risk of transmission is highest while the blisters are open and oozing fluid; contagiousness ends after crusting is complete. During this period, it is beneficial to avoid close contact with pregnant women, newborns, and individuals with weak immunity, and to keep the rash-affected area covered. Transmission generally occurs through direct contact; the risk of airborne transmission is more limited compared to chickenpox, but this possibility should not be dismissed in immunocompromised individuals with widespread rashes.
To let you see the differences more clearly, we compared chickenpox with this condition in the table below:
|
Feature |
Chickenpox |
Shingles |
|
Encountering the virus |
First-time encounter |
Awakening of the virus already present in the body |
|
Location of the rash |
Widespread all over the body |
In a single region, band-shaped |
|
Most common age |
Childhood period |
50 years and older |
|
Contagiousness |
High, can also be transmitted via air |
Via direct contact, more limited |
How Is Shingles Diagnosed?
Shingles diagnosis is mostly made through a physical examination; an additional test is generally not needed. The physician can make the diagnosis in a short time by looking at the appearance of the rash (unilateral, band-shaped, blistered) and your pain history.
During the examination, the physician typically asks when the rash started, which area it covers, and whether there are any other accompanying complaints. This information, besides increasing the accuracy of the diagnosis, helps in properly formulating the treatment plan.
In cases where the diagnosis is not clear, the rash has not yet appeared, or it is in an unusual location, a few additional tests may be requested:
- PCR test: The presence of the virus can be directly demonstrated with a sample taken from the blister.
- Tzanck smear test: It is a fast-result method examined under a microscope.
- Blood tests: They can provide supportive information in some cases.
During the examination, the physician also tries to differentiate other skin problems that may resemble the rash (such as contact dermatitis, a different viral infection, or a bacterial skin problem). This distinction is important in terms of establishing the correct treatment plan.
How Is Shingles Treated?
The goal of treatment is to slow down the multiplication of the virus, alleviate your complaints, and prevent potential complications. The treatment plan is determined individually by your physician based on your age, general health status, location of the rash, and when you applied. Rather than using medication on your own, carrying out this process under the supervision of a physician both accelerates your recovery and prevents incorrect practices.
Treatment generally consists of three main headings: antiviral medications targeting the virus, approaches aimed at alleviating pain, and supportive care you can apply at home. When these three elements are applied together, your recovery process can be more comfortable. Let's look at these headings one by one now.
Antiviral Treatment
It has been shown by scientific studies that antiviral treatment started within the first 72 hours after symptoms begin can help shorten the duration of the rash and reduce the risk of severe nerve pain. These medications slow down the rate at which the virus multiplies and support your immune system in getting the virus under control more easily.
The earlier treatment is started, the better. Even if the 72-hour period has passed, if new blisters continue to appear, if there is eye or ear involvement, or if your immunity is weak, your physician may still deem it appropriate to initiate treatment. Therefore, it is important to apply without wasting time as soon as you notice the rash.
Side effects of antiviral medications are generally mild; mild nausea or headache may be seen in some people. Informing your physician when you notice any side effects allows the treatment to be adjusted if necessary.
|
Medication Group |
General Usage Pattern |
Note |
|
Acyclovir group |
Can be used several times a day |
The physician decides based on your kidney health |
|
Valacyclovir group |
Less frequent dosing may be sufficient |
Duration of use is determined by the physician |
|
Famciclovir group |
Can be used for short periods |
Planned with physician approval |
The information in this table is for general informational purposes. Only your physician can decide which medication, at what dose, and for how long will be used; planning treatment on your own with information obtained from the internet is not recommended.
How Is Shingles Pain Managed?
The accompanying pain can sometimes be mild and sometimes unbearable. Your physician can suggest different approaches depending on the severity of your pain: while simple painkillers may be sufficient for mild pains, special medication groups may come into question for more severe or nerve-originating pains.
The goal is not only to reduce the pain, but also to protect your sleep pattern and daily life. If your pain is severe or prevents you from doing your daily chores, consulting a neurology specialist experienced in this matter can be beneficial.
What Should Be Considered at Home During Shingles Treatment?
Alongside medical treatment, some simple precautions you can apply at home can make your recovery process more comfortable:
- Keep the rash-affected area clean and dry
- Choose comfortable clothing instead of tight clothes that rub against your skin
- Do not pop or squeeze the blisters
- If your physician approves, you can apply a cool, damp compress
- Drink plenty of fluids and make sure to rest
- Avoid contact with people with weak immunity and those who have not had chickenpox
These recommendations do not replace treatment; they are only supportive. If you notice an increase in redness, swelling, or discharge in the rash area, consult your physician without waiting; these findings may be a sign of a secondary infection and may require separate treatment.
Additionally, it is important to be patient with yourself during this process. The recovery process can progress at different speeds from person to person; slowing down your daily routines a bit and making time to rest supports your body in recuperating.
In How Many Days Does Shingles Pass?
In most cases, the rash heals within 2-4 weeks. Pain varies from person to person; it may continue for a while even after the rash disappears. Your recovery time may change depending on your age, immune status, when you started treatment, and the location of the rash.
In young individuals with strong immunity, recovery is generally faster and trouble-free. In elderly individuals or those with weak immunity, both the passing of the rash and the decrease in pain may take longer. Therefore, continuing your physician follow-ups throughout your recovery period is recommended in order to see whether the process is progressing as expected.
It is important to be patient during the recovery process; a slight change in skin color may remain in your skin for a while after the rash passes, which usually resolves on its own over time. If you think the process is prolonged or progressing differently than expected, consulting your physician is the right thing to do.
What Is Post-Shingles Nerve Pain?
Postherpetic neuralgia is the condition where pain continues in the same area for weeks, or sometimes even months, after your rash heals. This is one of the most common consequences of this condition and the one that most affects daily life. The damage left by the virus on the nerve can lead to pain signals continuing to be sent even after the rash passes.
The probability of this pain appearing increases with age; it is encountered more frequently in older individuals. Additionally, the risk is slightly higher in individuals who initially experienced very severe pain, whose rash covered a large area, or who started treatment late.
Symptoms of Postherpetic Neuralgia
- Continuous nerve pain felt like burning, throbbing, or electric shocks
- Extreme sensitivity felt even with the lightest touch
- Numbness or tingling in the area
- Pain affecting your sleep and daily life
How Is Postherpetic Neuralgia Treated?
In the treatment of this pain, your physician can evaluate medications specific to nerve pain, certain products applied topically to the skin, and, if necessary, interventional pain treatment methods. Treatment generally progresses gradually and is updated according to the course of your pain.
A single method may not be sufficient; in addition to medical treatment, physical therapy approaches and supports aimed at increasing your quality of life may also come to the agenda. If you have nerve pain that has been ongoing for a long time, consulting a neurology specialist helps you find appropriate treatment options.
The management of this pain is generally a process that requires patience; the method tried first may not always yield the best result. Staying in regular communication with your physician helps the treatment to be tailored specifically to you and provides faster relief.
What Are Shingles Complications?
Most cases heal without leaving any permanent marks. Still, the following complications can be seen in some situations:
Not all of these complications are seen in every patient; most people recover completely without experiencing any of them. However, knowing the potential risks helps you understand which symptoms you need to pay attention to.
- Postherpetic neuralgia: Pain that continues even after the rash passes and can affect the quality of life
- Bacterial skin infection in the rash area
- Vision problems due to eye involvement
- Hearing loss and facial paralysis due to Ramsay Hunt Syndrome
- Very rarely, central nervous system involvement (especially in severely immunocompromised individuals)
- Scar tissue and color changes in the skin
The probability of complications is higher at an advanced age, in individuals with weak immunity, and in situations where treatment is started late. Therefore, early diagnosis and specialist evaluation carry great importance. In individuals with severely weakened immunity, the rash can follow a more widespread and prolonged course; it is recommended that individuals in this group be evaluated without delay upon suspicious symptoms and followed closely.
The good news is that the vast majority of these complications can be significantly reduced with early diagnosis and timely initiated treatment. Therefore, taking action as soon as you notice the symptoms can protect you from many troubles in the long run.
When Is Shingles Dangerous?
It is generally a condition that resolves on its own, but in some situations, you need to apply to a health institution without wasting time. The location of the symptoms and your general health status are important factors determining how closely you need to be monitored. Do not wait if you have one of the following symptoms:
- If the rash has broken out around the eye, on the eyelid, or at the tip of the nose
- If there is weakness in the face or hearing loss along with a rash in the ear
- If high fever, severe headache, or confusion accompanies it
- If the rash has spread to multiple regions of the body (especially if your immunity is weak)
- If there is noticeable redness, swelling, and discharge in the rash area
Does Shingles Recur?
Most people experience this only once in their lifetime. However, when your immune system weakens again, a second or even third attack may rarely occur. This possibility is slightly higher, especially at an advanced age, in individuals with a chronic disease, or with weak immunity. If you have had an attack before, it is beneficial to discuss protective vaccine options with your physician.
In recurring attacks, the rash can appear in the same area as the first time, or it can be seen in a different place. If it recurs frequently, it is important to inform your physician so that an underlying immune problem can be investigated.
The good news for people who fear recurrence is that this probability is generally low. Still, if you are wondering, you can have a risk assessment tailored to you by sharing your past history with your physician.
How to Prevent Shingles?
The most effective way to protect against this is vaccination. In addition, daily habits that will keep your immune system strong can also help reduce your risk to some extent:
- Eat a regular and balanced diet
- Get sufficient and quality sleep
- Pay attention to managing stress
- Do regular physical activity
- Have your chronic diseases (diabetes, heart disease, etc.) regularly monitored
- If deemed appropriate, evaluate the vaccine option with your physician
These habits support your immunity, but they are not a guarantee that you will not get sick. The strongest protection is provided by vaccination; therefore, if you are in the risk group, it is best to discuss vaccine options with your physician.
Noticing situations in your daily life that strain your immunity (such as excessive fatigue, irregular sleep, long-term stress) and trying to manage them is a beneficial habit not only regarding this matter but also in terms of your general health.
Who Should Get the Shingles Vaccine?
This vaccine is recommended in current health guidelines, especially for certain age groups and individuals carrying risk. In general, the vaccine can come to the agenda with a physician's evaluation in the following people:
- Individuals aged 50 and over
- Individuals over the age of 19 who have a disease or treatment that suppresses immunity
- Individuals who have had an attack before and are at risk of recurrence
Your physician decides whether the vaccine is suitable for you by taking your general health status and the medications you use into consideration. The vaccine helps reduce your risk of contracting the disease and developing complications; however, it does not mean it provides one hundred percent protection.
We summarized the vaccine types prominent in current guidelines below. Your physician decides which one is suitable for you:
|
Vaccine Type |
General Feature |
Note |
|
Recombinant vaccine (does not contain live virus) |
Generally administered as a two-dose series |
Can also be evaluated with physician approval in individuals with weak immunity |
|
Live attenuated vaccine |
Can be administered as a single dose |
The physician decides with caution in severely immunocompromised individuals |
Temporary reactions such as mild sensitivity in the area, short-term fever, or fatigue can be seen after the vaccine. Sharing your health history in detail with your physician before the vaccination helps determine the most suitable option for you.
You do not need to rush in making the decision to get vaccinated; by discussing your health history, concerns, and expectations with your physician, you can determine the most appropriate timing together.
Expert Opinion
The primary strategy for the prevention of shingles is vaccination. The purpose of shingles vaccination is to prevent Varicella Zoster Virus (VZV) reactivation and complications associated with shingles.
Today, there are two approved shingles vaccines, live and recombinant. Among these vaccines, the recombinant shingles vaccine stands out thanks to its high efficacy data and the advantage of being able to be used in immunosuppression situations as well. It is recommended to administer the recombinant zoster vaccine (RZV) as a two-dose series to individuals aged 50 and over. The vaccine should be administered 2-6 months apart (with a minimum interval of 4 weeks).
Spec. Dr. Dilek Leyla MAMÇU
Infectious Diseases and Microbiology