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Valtrex or Zorivax?

Both Valtrex and Zorivax are pharmaceutical drugs for herpes outbreaks, available by prescription.
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There are no significant clinical differences between Zorivax and Valtrex in the way they treat herpes symptoms. Patients may chose one drug over the other because of consumer costs, possible side effects, or the number of dosages recommended per day.

What is Valtrex?

Valtrex, known generically as Valcyclovir, is an oral pill taken for genital herpes (herpes simplex virus- 2) and shingles (herpes zoster). It is also used for children over the age of twelve years old with cold sores, and in children over the age of two with chicken pox.

Valtrex is prescribed to help shorten the time it takes to heal from a herpes outbreak, and it helps to reduce the number of outbreaks a person experiences during a year. It also helps to reduce the pain and itching associated with both genital herpes an shingles. While Valtrex does kill the herpes virus, it does not cure herpes. It will not keep a partner from getting herpes.

For shingles, Valtrex is prescribed to be taken three times a day for a week. For genital herpes, Valtrex should be taken twice a day for five days.

Valtrex is taken fewer times a day for suppression therapy than Zorivax because Valtrex works differently in the body than Zorivax does.

Valtrex is hard on the kidneys, so people who have kidney issues or are on other medications that affect the kidneys need to make their health care provider aware of their medical conditions. Patients who are HIV positive or have AIDS should also remind their health care provider before being prescribed Valtrex.

Because Valtrex is hard on the kidneys, it is important to drink a full glass of water with each dose. in addition, patients must stay very well hydrated while taking Valtrex.

Side Effects of Valtrex

Common side effects of Valtrex include:

Valtrex Side Effects
Headaches
Nausea
Diarrhea or constipation

 

If any of these serious side effects occur, discontinue the use of Valtrex and contact a doctor immediately:

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Itching or rash
Yellow eyes or skin
Blood in the urine
Fever
Confusion
Bruising easily
Bloody stools
Fainting

 

What is Zorivax?

Zorivax, the topical cream form of acyclovir, is usually prescribed to treat herpes simplex virus- 1. HSV- 1 is commonly referred to as cold sores or fever blisters on or around the mouth. Zorivax also comes as an ointment for genital herpes, also known as herpes simplex virus- 2 (HSV- 2).

Zorivax works by stopping the spread of the herpes virus in the body. It will not cure herpes, it will not prevent herpes outbreaks, and it will not keep someone with herpes from infecting a partner.

The usual directions for Zorivax, in either cream or ointment form, is to apply the medication to the affected areas five times a day for four days at the onset of an outbreak. As soon as it feels as if an outbreak is starting, whether it starts with tingling, redness, or a bump before a blister forms, Zorivax should be applied to the skin.

Zorivax is intended to be an episodic medication. Neither the cream nor the ointment form of Zorivax are intended to be used as a part of a suppressive therapy program.

Zorivax cream or ointment is for the skin only, and is not meant to be swallowed or to be put in eyes or the inside of the mouth or nose. Zorivax cream should not be put on genital herpes, and Zorivax ointment should not be put on oral herpes. It is not to be used as a preventative medicine. Do not put either Zorivax cream or ointment on healthy skin in an effort to prevent outbreaks.

Apply Zorivax cream to clean skin for cold sores. Do not put makeup on cold sores, or apply lip balm to affected areas while using Zorivax during outbreaks of oral herpes.

Zorivax also comes in pill form, known by the generic name acyclovir. Zorivax was the first prescription pharmaceutical drug created for initial outbreaks and the management of subsequent outbreaks of genital herpes. Acyclovir may be the least expensive of prescription drugs for herpes.

Side Effects of Zorivax

The most common side effects of Zorivax are:

Zorivax Side Effects
Dry, cracked, flaky, peeling skin or lips
Stinging or burning
Irritation or swelling at the point of application

 

If the following serious side effects occur after using Zorivax, discontinue use immediately and call a doctor:

Serious Side Effects of Zorivax
Itching
Rash or hives
Difficulty breathing or swallowing
Difficulty speaking
Swelling anywhere other than at the point of application, such as puffy eyelids or face, hands, feet, ankles, or legs



Sources


Pubmed.gov, “Acyclovir Topical”

Pubmed.gov, “Valacyclovir”

Drugs.com, “Valtrex”

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