Quick Answer: How Long Does It Take For Valtrex To Work For Shingles?

How quickly does valtrex work for shingles?

It should be started as soon as possible after the rash starts.

You will get the best response if you take the medication within 72 hours of the rash appearing (Ormrod, 2000).

Data shows that even if valacyclovir is started more than 72 hours after a rash’s appearance, there can still be some benefit (Ormrod, 2000)..

What happens if you let shingles go untreated?

If left untreated, some complications of shingles can be fatal. Pneumonia, encephalitis, stroke, and bacterial infections can cause your body to go into shock or sepsis.

Is 7 days of Valtrex enough for shingles?

Valacyclovir (Valtrex): Valacyclovir has been studied in people living with HIV and herpes simplex but not shingles, and is a preferred choice of treatment. It is taken three times a day for 7–10 days. Valacyclovir rarely causes side effects, appears safe to use during pregnancy, and offers better dosing.

Do antivirals weaken immune system?

Whereas AZT, ribavirin, or ganciclovir were antiproliferative, ddI or acyclovir had little, if any, effect on PBMC mitogenesis. The inhibitory effects of antivirals on immune cells may contribute to the immune deterioration observed in patients following prolonged use of the drugs.

Can I spread shingles to other parts of my body?

The virus travels in specific nerves, so you will often see shingles occur in a band on one side of the body. This band corresponds to the area where the nerve transmits signals. The shingles rash stays somewhat localized to an area; it does not spread over your whole body.

What can be mistaken for shingles?

Shingles can sometimes be mistaken for another skin conditions, such as hives, psoriasis, or eczema. Share on Pinterest A doctor should always be consulted if shingles is suspected. The characteristics of a rash may help doctors identify the cause. For example, hives are often raised and look like welts.

What triggers shingles attack?

When your immune system is healthy and strong, the virus stays inactive. If you become immunocompromised, meaning your immune system becomes weak, the virus can reactivate, triggering shingles.

Can you have an outbreak while taking Valtrex?

Can you have an outbreak while taking Valtrex? Yes, while daily Valtrex has been shown to reduce genital herpes outbreaks by 70% to 80%, it is still possible to have an outbreak while taking the medication. However, the frequency of outbreaks tends to go down over time for a lot of people.

How long does it take for antivirals to work on shingles?

Antiviral drugs are most effective when taken within 3 days of the rash onset, although they may still be prescribed within the first 7 days of the rash appearing.

What does valacyclovir do for shingles?

Valacyclovir is used to treat herpes zoster (shingles) and genital herpes. It does not cure herpes infections but decreases pain and itching, helps sores to heal, and prevents new ones from forming.

Should I stay home if I have shingles?

If you have shingles, you’re contagious until the last blister has dried and scabbed over. To help prevent the virus being passed on, avoid sharing towels or flannels, swimming, or playing contact sports. You should also avoid work or school if your rash is weeping (oozing fluid) and can’t be covered.

How long does it take shingles to run its course?

Most cases of shingles last three to five weeks. Shingles follows a pattern: 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.

Does Valtrex get rid of shingles?

Because shingles is a herpes virus, it can be treated using the same medication as other types of herpes, such as HSV-1 or HSV-2. This means that medications such as valacyclovir (Valtrex) are effective in treating shingles and commonly prescribed by doctors.

How long does it take for valacyclovir to start working?

For most initial herpes outbreaks and cases of recurring herpes, valacyclovir takes effect very quickly and provides some level of relief in as little as two to three days. Generally, the sooner you take valacyclovir after noticing symptoms, the faster it will be to provide relief.

How do you know shingles are healing?

Shingles blisters usually scab over in 7-10 days and disappear completely in two to four weeks. In most healthy people, the blisters leave no scars, and the pain and itching go away after a few weeks or months. But people with weakened immune systems may develop shingles blisters that do not heal in a timely manner.

Does valacyclovir make you gain weight?

Common side effects of Valtrex Stomach pain or abdominal pain. Dizziness. Vomiting. Weight gain.

Can you drink alcohol while taking valacyclovir?

Of these side effects, dizziness and drowsiness are of particular concern. Doctors recommend not to consume alcohol while taking valacyclovir, as the combination of valacyclovir and alcohol can potentially lead to an excessive, dangerous level of dizziness or drowsiness.

Does valacyclovir stop the spread of shingles?

Don’t wait for a rash; in some cases—called zoster sine herpete—the rash never appears. Three antiviral medications—acyclovir (Zovirax), famciclovir (Famvir), and valacyclovir (Valtrex)—are available and effective in arresting shingles outbreaks. The sooner they are taken, the better they work.