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Valacyclovir

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Valacyclovir

Valacyclovir review





Valacyclovir is mostly used to treat shingles or herpes zoster and cold sores or herpes labialis. It is also used to treat genital herpes outbreaks in patients with or without any immune system deficiencies and those suffering with HIV. This drug is categorized under suppressive therapy, so it helps control symptoms while not necessarily treating or curing the disease causing the symptoms. It is mostly a symptom reliever, in a sense. It also belongs to a class of medications known as antivirals.

The recommended daily dose for valacyclovir depends on your response to the treatment and your medical condition. Typically, it's two grams twice daily for one day taken twelve hours apart for cold sores, one gram twice daily for seven to ten days or more for immuno-competent adults, and one gram twice daily for one or two weeks for HIV-infected adults. Your doctor should have you start therapy within forty-eight hours of the onset of herpes symptoms.

If you are treating an outbreak, then you should continue valacyclovir treatment until the full-prescribed amount is finished regardless of whether symptoms disappear or not. If you're using this drug to suppress or control outbreaks, take it exactly as your doctor ordered.

Before taking this medicine, consult your pharmacist or doctor if you are allergic to this drug, acyclovir, or have any other allergies. You should also report your medical history, especially if you're suffering from or have already suffered from blood disorders, kidney disease, immune system problems like HIV disease, or any sort of disease that requires you to have an organ or bone marrow transplant.

Also notify your doctor of all the prescription and nonprescription products you may be using or have used, especially if they're probenecid; cinetide; drugs that are harmful to your kidneys like aminoglycosides, cyclosporine, and amphotericin B; NSAIDs like ibuprofen; vencomycin; and tacrolimus.

Valacyclovir can make you dizzy, so be careful when engaging in activities that require your full concentration and awareness, such as operating heavy machinery and driving. You should also limit your alcohol intake, because it might just aggravate this particular side effect. Moreover, observe cautiousness when giving valacyclovir to the elderly because they may be more sensitive to the effects of this drug given their age; that is, it can cause them to have agitation, confusion, and kidney problems.

Only use this drug when clearly needed during pregnancy; discuss the risks and benefits of using this drug with your doctor. It is currently not known whether or not this medication passes into breast milk, but based on information from similar drugs, it probably could. As such, if you're breastfeeding, consult your doctor before taking this medicine.

Common side effects of valacyclovir may include vomiting, dizziness, nausea, and painful menstrual periods. If any of these symptoms continue or become more severe, consult your pharmacist or doctor immediately. Always remember that your doctor has probably prescribed this medication to you because the risk of side effects is lesser than the benefits that you can reap from this drug.

More to the point, many people who use this medicine do not suffer from serious side effects. However, report to your doctor immediately if you do suffer form the following unlikely but serious side effects: mental or mood changes, hallucinations, agitations, speech problems, confusion, vision changes, and shaky or unsteady movement.

Valacyclovir has the following structural formula:

Chemical structure of valacyclovir


• Molecular formula of valacyclovir is C13H20N6O4
• Chemical IUPAC Name is 2-[(2-amino-6-oxo-3,9-dihydropurin-9-yl)methoxy]ethyl2-amino-3-methyl-butanoate
• Molecular weight is 324.336 g/mol
Valacyclovir available : 500mg tablets and 1g tablets

Brand name(s): Acyclovir, Valaciclovir, Valtrex, Zovirax

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