What Are The Side Effects Of Valtrex?

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..

Is it safe to take Valtrex every day?

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).

What can you not take with Valtrex?

Some products that may interact with this drug include: other drugs that may cause kidney problems (including nonsteroidal anti-inflammatory drugs-NSAIDs such as ibuprofen, naproxen). Valacyclovir is very similar to acyclovir. Do not use medications containing acyclovir while using valacyclovir.

Is it too late to take Valtrex?

Even if symptoms fully abate, valacyclovir should be taken until the prescribed course has been completed. Best started within 24-48 hours of symptom onset.

Do antivirals weaken immune system?

The inhibitory effects of antivirals on immune cells may contribute to the immune deterioration observed in patients following prolonged use of the drugs.

Can you still have an outbreak while on 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 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.

Does valacyclovir make you pee a lot?

Drink extra fluids so you will pass more urine while you are using this medicine. This will keep your kidneys working well and help prevent kidney problems. To help clear up your infection, keep taking valacyclovir for the full time of treatment, even if your symptoms begin to clear up after a few days.

Does Valtrex cause weight gain?

It’s unknown whether Valtrex causes other adverse effects like hair loss, weight gain, dry mouth, or any other symptoms not listed by the United States Food and Drug Administration (FDA). This is not a complete list of side effects. Other side effects may occur.

Can I drink alcohol while taking Valtrex?

There are no specific warnings about drinking alcohol while taking Valtrex, but you should speak with your doctor, and it may be best to avoid alcohol when using this treatment. If you drink alcohol while taking Valtrex, it can make the symptoms of the medication worse.

Is taking Valtrex long term safe?

CHARLESTON, S.C. — Once-daily treatment with valacyclovir for the suppression of genital herpes caused by herpes simplex virus type 2 was well tolerated for up to 20 months in a recent study.

Is it OK to take Tylenol with valacyclovir?

No interactions were found between Tylenol and valacyclovir.

How long after taking Valtrex are you not contagious?

When taken as soon as you notice a herpes outbreak, valacyclovir can provide relief in as little as two to three days, minimizing symptoms and reducing the risk of you passing genital herpes to sexual partners.

How long should you take valacyclovir?

For treatment of genital herpes, recurrent outbreaks: Adults—500 milligrams (mg) two times a day for three days. Children—Use and dose must be determined by your doctor.

Can Valtrex raise blood pressure?

increased heart rate, and. high blood pressure (hypertension).

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.

Is Valtrex hard on your liver?

In Closing Valacyclovir is not considered a liver toxic drug. With a Category D rating from LiverTox, it’s well behind common drugs such as aspirin in terms of liver injury risk. When taken at a normal dose, valacyclovir is highly unlikely to cause liver damage in individuals with normal liver health.

Is Valtrex bad for 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.

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.