The Truth About Zovirax Side Effects

It’s safe to say that no one likes to get sick, but it’s especially frustrating when you’re hit with a virus like herpes or cold sores. One commonly prescribed medication to treat these conditions is Zovirax, which has been around for over three decades. While Zovirax can be effective in treating these conditions, it’s important to be aware of the potential side effects. In this article, we’ll explore the truth about zovirax side effects  and what you need to know.

Before we dive into the potential side effects of Zovirax, it’s important to understand how the medication works. Zovirax is an antiviral medication that works to stop the spread of the herpes virus. It accomplishes this by preventing the virus from multiplying, which can reduce the duration and severity of outbreaks.

Like all medications, Zovirax has potential side effects. Some of the most common side effects include nausea, headache, diarrhea, and stomach pain. While these side effects are usually mild and go away over time, they can be uncomfortable for some people. If you experience any of these side effects while taking Zovirax, it’s important to talk to your doctor.

In rare cases, Zovirax can cause more serious side effects such as hives, difficulty breathing, and swelling of the face, lips, tongue, or throat. These symptoms are usually signs of an allergic reaction and require immediate medical attention. Additionally, some people may experience kidney problems while taking Zovirax. This is more likely to occur in people with pre-existing kidney issues.

One of the most concerning potential side effects of Zovirax is liver damage. While this side effect is rare, it can be serious. Symptoms of liver damage may include yellowing of the skin or eyes, dark urine, abdominal pain, or fatigue. If you experience any of these symptoms while taking Zovirax, you should contact your doctor right away.

Another potential side effect of Zovirax is a decrease in white blood cell count. White blood cells are important for fighting off infections, so if your white blood cell count drops significantly, you may be more susceptible to infections. If you start to feel unwell while taking Zovirax, it’s important to contact your doctor to get your blood counts checked.


If you’re prescribed Zovirax to treat herpes or cold sores, it’s important to be aware of the potential side effects. While most people tolerate the medication well, some people may experience mild to serious side effects. If you experience any side effects while taking Zovirax, it’s important to talk to your doctor. Additionally, if you experience any symptoms of liver damage, allergic reaction, kidney problems, or a decrease in white blood cell count, you should seek immediate medical attention. With that said, Zovirax can be an effective medication for treating these conditions, and it’s important to follow your doctor’s instructions regarding dosing and monitoring.


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