Quick Answer: Does Valacyclovir Affect Blood Pressure?

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..

Is Valtrex bad for 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.

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.

How long can I stay on Valtrex?

Valacyclovir is usually prescribed for seven days for shingles, with a typical dosage of 1,000 mg three times per day. Just like with HSV-1 and HSV-2, it’s important to start treatment as soon as you notice shingles symptoms.

Is it OK to drink while taking valacyclovir?

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.

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 become resistant to valacyclovir?

Resistance usually develops due to mutations in the thymidine kinase pathway that cause patients to become non-sensitive to acyclovir and its pro-drug valacyclovir, according to Dr. Thimons.

Does valacyclovir make you gain weight?

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.

What can you not take with valacyclovir?

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.

Can I take Tylenol while taking valacyclovir?

No interactions were found between Tylenol and valacyclovir.

Is it safe to take valacyclovir everyday?

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).

Can I take vitamins with valacyclovir?

Interactions between your drugs No interactions were found between valacyclovir and Vitamin C. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Does antiviral kill viruses?

Antiviral drugs are a class of medication used for treating viral infections. Most antivirals target specific viruses, while a broad-spectrum antiviral is effective against a wide range of viruses. Unlike most antibiotics, antiviral drugs do not destroy their target pathogen; instead they inhibit its development.

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.

Are you contagious while taking Valtrex?

It is important to keep in mind that Valtrex is not a cure for genital herpes, and there may still be contagious lesions or shedding that occur while taking the medication. While daily treatment can reduce the risk of transmission, it isn’t 100% guaranteed that you won’t become infected.

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 valacyclovir cause liver damage?

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.

How do antivirals affect the immune system?

Antivirals interfere with an important enzyme of the influenza virus, called neuraminidase. The drugs keep the virus from escaping from one cell to infect a neighboring cell. They are most effective if started within a day or two of the onset of symptoms.

Are there any drug interactions with valacyclovir?

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.