What is valacyclovir 500mg used for?
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.
What is Zelitrex 500mg used for?
Zelitrex tablets belong to a group of medicines called antivirals. Zelitrex tablets are used for the treatment of shingles (herpes zoster) and ophthalmic zoster (shingles affecting the eye region). Zelitrex tablets work by stopping the multiplication of the virus which causes shingles.
Is Zelitrex the same as valacyclovir?
Are Zovirax and Valtrex the Same Thing? Zovirax (acyclovir) and Valtrex (valacyclovir) are antiviral medications that interfere with the replication of herpes viruses and are used to treat shingles, chickenpox, cold sores, and genital herpes.
How long does it take for valacyclovir to work?
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.
Can I take valacyclovir every day?
Treatment with suppressive therapy The PDR states that for suppressive therapy of recurrent herpes genitalis in all patients valacyclovir 1 gram (1000 mg) should be taken once daily.
How many 500mg Valtrex can I take?
Adults—500 milligrams (mg) two times a day for three days. Children—Use and dose must be determined by your doctor.
Which is stronger acyclovir or valacyclovir?
Studies show that a small 500 mg dose of valacyclovir is as effective as a larger 800 mg dose of acyclovir in treating HSV.
Can I take acyclovir and valacyclovir at the same time?
Acyclovir and valacyclovir are known to have negative effects on both the kidneys and the liver. For this reason, both drugs may be dangerous to take with drugs that are also nephrotoxic or hepatotoxic. In some cases, the risk is so severe that the concurrent use with these drugs is contraindicated.
How many days do 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 you take valacyclovir on an empty stomach?
Valacyclovir may be taken with meals or on an empty stomach. If you are using the oral suspension, use a specially marked measuring spoon or other device to measure each dose accurately.
What are Zelitrex 500 mg tablets?
Zelitrex 500 mg tablets are white biconvex, elongated tablets with a white to off white core, engraved with “GX CF1” on one side. They are available in a pack size of 42 tablets. Zelitrex tablets contain the active ingredient valaciclovir.
How effective is valaciclovir 500 mg twice a day?
The study demonstrated that valaciclovir 500 mg twice daily is as effective as aciclovir in preventing or delaying HSV infections in immunocompromised patients. Valaciclovir 500 mg twice daily was significantly more efficacious than valaciclovir 1000 mg once daily. Reduction of genital herpes simplex virus transmission.
How long should I take Valtrex 500 mg for herpes?
PDF Transcript. Treatment of HSV infections of the skin and genital herpes – The usual dose is 500 mg (one 500 mg tablet or two 250 mg tablets) twice a day. – For the first infection you should take Valtrex for five days or for up to ten days if your doctor tells you to. For recurrent infection the duration of treatment is normally 3-5 days.
What is the dosage of Zelitrex for renal impairment?
The dosage of Zelitrex is 2 g four times a day for 90 days, to be initiated as early as possible post-transplant. This dose should be reduced according to creatinine clearance (see Dosage in renal impairment). Dosage in renal impairment. Caution is advised when administering Zelitrex to patients with impaired renal function.