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Get a prescription for Acyclovir (Zovirax®) online

Acyclovir (Zovirax®)  is an antiviral medication prescribed to treat herpes, chickenpox, and shingles infections. Getting an Acyclovir (Zovirax®) prescription is straightforward and effortless; you can connect with a qualified doctor anytime through “Your Doctors Online” to discuss your presenting symptoms and get your prescription.

However, an Acyclovir (Zovirax®) prescription will only be provided after consultation with our qualified doctor and if the treatment is completely safe and suitable.

What is Acyclovir (Zovirax®)?

Acyclovir is an antiviral medication that blocks viral replication and treats infections. It comes in different forms for specific infections. Buccal tablets are prescribed for recurrent cold sores, oral capsules for chickenpox, genital herpes, and shingles, and topical ointment is used for persistent cold sores.

Uses of Acyclovir (Zovirax®)?

Acyclovir is sold under different brand names, including Zovirax. It’s an antiviral medication that treats viral infections such as chickenpox, herpes, cold sores, and shingles. 

How does it work? 

Acyclovir works in ways to stop the further replication of the virus. It works by blocking the replication of the nucleotide by mimicking the shape of the virus. A virus, when entering the host cells, tries to copy itself to make new copies and infect the area. Acyclovir enters the same host cell, stopping the replication of the virus and inhibiting the replication. 

What are the different dosage forms of Acyclovir (Zovirax)?

Acyclovir comes in different dosage forms ranging from buccal tablets to be placed in the mouth and oral cavity, as well as ointments and creams, which are directed to be applied topically. Different dosage forms are prescribed for different viral conditions, e.g., buccal tablets are prescribed for chickenpox, and topical ointment is recommended for cold sores due to viruses. 

What are the different dosage strengths of Acyclovir (Zovirax)? 

The most recommended dose of acyclovir is 400-800mg, taken as oral tablets. It highly depends on the type and severity of the condition. If the condition is severe, more than 800mg can also be given, according to the healthcare provider’s diagnosis. 

How to take Acyclovir (Zovirax)?

Acyclovir can be taken with or without food. There are no specific instructions that need to be observed with antiviral medications. They can be taken on an empty or full stomach. Make sure to drink plenty of fluids with this medication for better absorption. 

Side effects of Acyclovir

Common side effects of acyclovir may include 

  • Nausea
  • Vomiting
  • Diarrhea.

Serious side effects of acyclovir include 

  • Difficulty breathing
  • Hair loss
  • Confusion
  • Anemia.

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Hi Dr. Nicole, I’m experiencing symptoms of a viral infection like herpes. Can you provide me with a prescription?


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Precautions or contraindications

  • Make sure not to take this medication if you have previously taken this medication with the same formula but another brand name and have experienced an allergic reaction. You should discuss this with your healthcare provider before getting a prescription. 
  • Avoid this medication if you are pregnant, as it can cross the placenta and can affect the baby’s health. 
  • Discuss the acyclovir prescription if you have any abnormalities or medical problems with your liver or kidney. The dose will be decreased or adjusted as per your condition. 
  • Make sure to never self-medicate or get the refill by yourself if not prescribed, and only take the medication until prescribed to avoid any unwanted effects.
  • It’s better to discuss your current medication history with your doctor to avoid any interactions. 

FAQs about Acyclovir prescription online

How much acyclovir should I take for genital herpes?

For genital herpes, 200 to 400 mg is generally prescribed by healthcare providers, which is to be taken 2-5 times a day as per your condition’s severity and age. It’s better to talk to your doctor before starting any dose to avoid unwanted side effects.  

How long should I take acyclovir for genital herpes?

You should take acyclovir for the prescribed duration. As per the doctor’s prescription, it can only be taken for 12 months for a herpes outbreak. Taking more than prescribed can affect you adversely. 

What should I avoid while taking acyclovir?

Acyclovir may interact with certain medicines for treating conditions like asthma, gout, stomach ulcer, or organ transplant medicines, including theophylline, probenecid, cimetidine, and mycophenolate mofetil. It should also be avoided if you already take valcyclovir (antiviral). Discussing your medication history with your doctor will help you avoid the unwanted side effects. 

How fast does acyclovir work for cold sores?

Acyclovir will take 2-3 hours to work and show its effectiveness for cold sores. You may notice improvement in your symptoms after 3 hours of taking this medication. 

Is acyclovir good for chickenpox?

Yes. Acyclovir (anti-viral) medication is also prescribed for chickenpox treatment along with other medications. It helps relieve the fever during chickenpox infection and has fewer side effects in healthy children. 

How long is acyclovir treatment for shingles?

For shingles, acyclovir treatment usually takes 7-10 days with a dose range of 10 mg/kg as per the prescription. Your healthcare provider will decide your medication duration, dosage form, and frequency according to your condition.

Is Acyclovir an FDA-approved drug?

Yes, Acyclovir got approved on 12/30/2002 for its antiviral properties against different infections, including cold sores and herpes. 

How can I get acyclovir without a doctor?

Over-the-counter options are available for cold sores, but oral forms require a prescription. Oral Acyclovir is more effective for early-stage cold sores.

How much acyclovir can I take for an outbreak?

Depending on the severity and age group, a dose ranging from 200 to 800mg is typically prescribed. Children are given lower doses and are spaced for at least 4 hours. Per your doctor’s advice, you can take acyclovir 2-5 times daily.

What is equivalent to acyclovir?

Some medicines are equivalent to acyclovir (Zovirax®), like famciclovir (Famvir®) and valacyclovir (Valtrex®)—all of these work as antiviral medications for herpes simplex virus 1 and 2.

Which is better, acyclovir or valacyclovir?

Valacyclovir requires a lower dose and stays in the body longer, effectively treating cold sores and preventing spread.

Your Doctors Online uses high-quality and trustworthy sources to ensure content accuracy and reliability. We rely on peer-reviewed studies, academic research institutions and medical associations to provide up-to-date and evidence-based information to the users.

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