Question: Is Valtrex Bad For Your Liver?

What viruses does Valtrex kill?

Valacyclovir is used to treat herpes virus infections, including herpes labialis (also known as cold sores), herpes zoster (also known as shingles), and herpes simplex (also known as genital herpes) in adults.

It is also used to treat chickenpox and cold sores in children..

How long should you take valacyclovir?

Valacyclovir comes as a tablet to take by mouth. It is usually taken every 8 hours (three times a day) for 7 days to treat shingles. To treat genital herpes it is usually taken twice a day for 5 days.

What should I avoid while taking valacyclovir?

What should I avoid while taking valacyclovir? Avoid sexual intercourse or use a latex condom to help keep you from spreading the herpes virus to others. Avoid letting infected areas come into contact with other people. Avoid touching an infected area and then touching your eyes.

How many Valtrex can you take a day?

The recommended dosage of VALTREX for treatment of initial genital herpes is 1 gram twice daily for 10 days. Therapy was most effective when administered within 48 hours of the onset of signs and symptoms. The recommended dosage of VALTREX for treatment of recurrent genital herpes is 500 mg twice daily for 3 days.

Does Valtrex weaken immune system?

However, because they suppress the immune system, these medicines also suppress the ability of the body to fight infection. Valaciclovir is therefore given to people who have received an organ transplant, in order to help the body kill off any CMV virus.

Are there any side effects to Valtrex?

In 2 clinical trials for the treatment of herpes zoster, the adverse reactions reported by subjects receiving VALTREX 1 gram 3 times daily for 7 to 14 days (n = 967) or placebo (n = 195), respectively, included nausea (15%, 8%), headache (14%, 12%), vomiting (6%, 3%), dizziness (3%, 2%), and abdominal pain (3%, 2%).

What does Valtrex do to your body?

Valacyclovir is an antiviral medication that’s designed to manage HSV (herpes simplex virus) and VZV (varicella-zoster virus, more commonly known as chickenpox) infections. The drug works by slowing down the growth of herpes, making it easier for the body to control the infection.

Can you drink alcohol on valacyclovir?

Is it safe to take valacyclovir with alcohol? Experts say that alcohol doesn’t affect the way valacyclovir works. Alcohol warnings aren’t listed on antiviral drugs like valacyclovir (Steckelberg, 2019). Valacyclovir can be used to treat outbreaks.

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.

What are the long term side effects of Valtrex?

Another potential long-term side effect of valacyclovir usage is HUS/TTP, or hemolytic-uremic syndrome and thrombotic thrombocytopenic purpura. These similar disorders can lead to the destruction of red blood cells and a low platelet count, preventing your blood’s ability to clot.

What happens when you stop taking Valtrex?

If you stop taking the drug suddenly or don’t take it at all: The symptoms of your viral infection may not get better, or may get worse. If you miss doses or don’t take the drug on schedule: Your medication may not work as well or may stop working completely.

Is Valtrex hard on your kidneys?

Valtrex can be harmful to the kidneys, and these effects are increased when it is used together with other medicines that can harm the kidneys. Tell your doctor about all other medications you are using. You may need dose adjustments or special tests when taking certain medications together with Valtrex.

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.

How long does 500 mg Valtrex stay in your system?

Because valacyclovir is a prodrug, it’s only active in your body for a short period of time after it’s taken. On its own, its half-life is approximately 30 minutes. However, once valacyclovir has converted into acyclovir, it has a half-life of 2.5 to 3.3 hours in people with normal renal function.

Can Valtrex treat other viruses?

Valacyclovir is an antiviral prodrug that is rapidly converted into acyclovir inside the body. Acyclovir has activity against several different viruses including herpes simplex virus types 1 (HSV-1), 2 (HSV-2), and varicella-zoster virus (VZV).

Can you gain weight from Valtrex?

No, there is currently no cure for herpes. Valtrex (valacyclovir) and other antiviral medications can only treat the symptoms associated with herpes infections and shorten outbreaks. Does Valtrex (valacyclovir) make you gain weight? Weight changes are not commonly reported with the use of Valtrex (valacyclovir).

Why would someone take Valtrex daily?

A new study shows that daily therapy with the antiviral drug Valtrex significantly lowers the risk of transmitting genital herpes among heterosexual couples in which one partner is infected with the herpes simplex virus type 2 (HSV-2).

Does valacyclovir affect your liver?

No instances of acute liver failure or chronic liver injury have been linked to valacyclovir use. The liver injury associated with valacyclovir is usually mild and resolves rapidly.

Is it safe to take Valtrex every day?

It’s safe to take Valtrex every day as long as you’ve been instructed to do so. If you miss a dose of Valtrex, you should take the next dose as soon as possible.

Is it too late to take Valtrex?

Valacyclovir works best if it is used within 48 hours after the first symptoms of shingles or genital herpes (e.g., pain, burning, or blisters) begin to appear. For recurrent outbreaks of genital herpes, valacyclovir works best if it is used within 24 hours after the symptoms begin to appear.