Aciclovir – How It Works, When to Use It, and What to Look For

When dealing with Aciclovir, an antiviral medication that stops virus replication. Also known as Zovirax, it’s the go‑to drug for outbreaks caused by the herpes simplex virus, the virus behind cold sores and genital herpes and the varicella‑zoster virus, the culprit of shingles. The medicine comes in tablets, cream, and injectable forms, so you can match the route to the infection site. Aciclovir works by mimicking the building blocks of viral DNA, tricking the virus into making a faulty copy that can’t multiply. Because it targets the virus directly, it shortens the duration of lesions, eases pain, and reduces the chance of spreading the infection to others. If you’ve ever had a stubborn cold sore that lingered for weeks, a short course of Aciclovir can shrink it in half the time.

Key Considerations Before You Order

One of the biggest questions people ask is whether they can buy a generic antiviral, a lower‑cost version that contains the same active ingredient online. The answer is yes, but you need a reputable online pharmacy, a licensed retailer that verifies prescriptions and follows safety standards. Look for clear pricing, a valid pharmacy licence number, and secure payment options. Many Australian sites now list Aciclovir alongside other trusted meds like generic Claritin or cheap Cialis, making it easy to compare prices in one place. When you decide on a dosage, follow the prescription exactly. For oral tablets, adults typically take 200 mg five times a day for five days during a cold‑sore flare, or 400 mg three times daily for severe genital outbreaks. The cream is applied five times a day to the affected area for four days. Timing matters: start treatment at the first tingling or itching sign, not after the sore fully appears. This early start maximizes the antiviral’s effect and reduces the risk of complications like secondary bacterial infection. Side effects are generally mild—headache, nausea, or a transient rash. However, because Aciclovir is eliminated through the kidneys, people with reduced kidney function need dose adjustments. Always tell your doctor about other meds you’re taking; Aciclovir can interact with drugs such as probenecid or certain chemotherapy agents. If you’re pregnant or nursing, discuss the benefits and risks with your healthcare provider—most studies show it’s safe, but professional guidance is essential. By understanding how Aciclovir fits into the broader picture of viral skin infections, knowing where to find reliable generic options, and following proper dosing, you’ll be equipped to handle outbreaks quickly and affordably. Below you’ll find a curated set of articles that dive deeper into related topics, from buying cheap generics online to managing skin conditions that often accompany viral infections.

4 October 2025
Aciclovir vs Alternatives: Which Antiviral Fits Your Needs?

Aciclovir vs Alternatives: Which Antiviral Fits Your Needs?

Compare aciclovir with valacyclovir, famciclovir and penciclovir. Learn dosing, bioavailability, side effects, cost and how to choose the best antiviral for your situation.

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