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Quick intervention can reduce duration and severity of shingles.
Shingles (herpes zoster) is a viral infection most often associated with and diagnosed by the appearance of a red, blistering rash that typically appears as a band along 1 side of the torso. Like many illnesses, however, there are precursor signs and symptoms that if recognized and treated early can lead to a shorter course of infection, less discomfort, and fewer complications.
The varicella zoster virus (VZV) that causes shingles is the same virus that causes chickenpox and then lays inactive in the body for years or decades before reactivating. When it does, the first pre-rash sign of shingles is typically pain that may be stabbing and intense. It can manifest as steadily worsening burning, numbness, or tingling sensations in a limited area on the skin.
Other early symptoms include hypersensitivity to touch and itching. Additionally, patients may complain of fatigue, muscle ache, nausea, chills, headaches, fever, and a general overall feeling of unwellness.
Within a few days, a red rash of fluid-filled blisters erupts. Over the course of a week to 10 days, the blisters break open, ooze clear fluid containing the VZV, and then crust over. This is considered the active phase of the infection when the virus can be transmitted to others, specifically individuals who have never had chickenpox or been vaccinated against it. The blisters gradually grow smaller and scab over before disappearing 2 to 4 weeks after they first appeared.
It is important to note that in some rare cases people with shingles do not experience a visible rash. This is known as zoster sine herpete, and 1 example is enteric zoster. The shingles rash can also emerge on parts of the body other than the torso, including the eyes and ears.
Early intervention in treating shingles can help reduce the severity of the illness and the risk of complications. Antiviral medicines like acyclovir (Zovirax), valacyclovir (Valtrex), or famciclovir (Famvir) are generally prescribed and are most effective when taken as soon as possible after the rash appears.
OTC and prescription pain medications may help reduce physical discomfort of shingles. Calamine lotion, wet compresses, and oatmeal baths are popular options for dealing with itching.
If a patient does not experience any complications from shingles, including postherpetic neuralgia (PHN), they can expect a full recovery. A reoccurrence of shingles is rare, but approximately 4% of patients will develop it again (almost exclusively those who are immunosuppressed.)
When it comes to shingles, prevention by vaccination is always better than treatment after the fact. Currently there are 2 vaccination options available.
The highly-effective Shingrix (RZV) vaccine is recommended by the CDC and is available for healthy adults aged 50 years and older. Administered in 2 doses given 2 to 6 months apart, Shingrix protects against both shingles and PHN.1
The alternative - Zostavax (ZVL) - may be given to individuals aged 60 and older if Shingrix is not available, if they are allergic to Shingrix, or if they prefer Zostavax over Shingrix. Although neither vaccine guarantees that the recipient won't get shingles, they do reduce the duration, severity, and potential complications of the illness.1