How long does it take to get shingles test results?

Your doctor can collect samples from scabs from blisters that have crusted over. Your doctor should have the results in 1 to 3 days. You might need to have a second test if the results aren’t clear. Your symptoms and test results will show whether you have shingles.

What is the typical duration of shingles?

Most cases of shingles last three to five weeks. The first sign is often burning or tingling pain; sometimes it includes numbness or itching on one side of the body. Somewhere between one and five days after the tingling or burning feeling on the skin, a red rash will appear.

Can shingles be treated after 72 hours?

Antiviral treatment should be started as soon as possible, as it is most effective when started within 72 hours after the shingles rash appears. After this time, antiviral medications may still be helpful if new blisters are appearing.

How do you describe shingles rash on a physical exam?

The characteristic physical examination finding of herpes zoster is the maculopapular rash. The rash in typically unilateral and its distribution is confined to one or two adjacent dermatomes. As the rash crusts and heals in 7-10 days, a post-inflammatory hyperpigmentation of the skin may result.

Is there a test to confirm shingles?

Polymerase chain reaction (PCR) is the most useful test for confirming cases of suspected zoster sine herpete (herpes zoster-type pain that occurs without a rash). PCR can be used to detect VZV DNA rapidly and sensitively, and is now widely available.

How long does a VZV PCR take?

Turnaround time for PCR results is typically 2 business days after receipt of specimen(s).

What is the early treatment for shingles?

What treatments are there for shingles? Call your doctor as soon as you suspect shingles so you can begin treatment as early as possible. Antiviral drugs such as acyclovir (Zovirax), valacyclovir (Valtrex), or famciclovir (Famvir) can make symptoms less severe and shorten the length of the illness if taken early.