Can You Take Valacyclovir Everyday?

Is it safe to take valacyclovir everyday?

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..

How often can 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.

Can 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.

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.

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.

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.

How long does 500 mg Valtrex stay in your system?

How long does valacyclovir stay in your system? Valtrex stays in the system for approximately 22 to 25 hours. However, the FDA reports it is detectable in urine for up to 96 hours (4 days) after the last dose.

Does Valtrex damage kidneys?

Valacyclovir hydrochloride is a prodrug and can be rapidly converted into acyclovir in vivo (1–3). In addition to neurotoxicity, acute kidney injury is a well-described side effect of acyclovir administration, since crystal deposition may lead to the development of renal failure.

Will taking Valtrex daily stop outbreaks?

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.

How many hours apart should you take valacyclovir?

For adults and children 12 years and older. The recommended dosage is 2 grams twice daily, taken 12 hours apart, for one day. Valtrex should be started at the earliest signs of a cold sore.

How long does it take for valacyclovir to work?

It may take up to three days before a reduction in symptoms occurs. 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.

Can you build a tolerance 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.

Can I drink alcohol while taking Valtrex?

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.

Is it bad to take antivirals everyday?

Dec. 31, 2003 — People with herpes who take an antiviral drug once a day can reduce the risk of transmitting the virus to their sexual partners by nearly 50%.