What Is Acyclovir (Zovirax)?
Acyclovir is the nonexclusive name for Zovirax, a physician recommended drug used to treat certain infection contaminations.

The Food and Drug Administration (FDA) sanction acyclovir to treat viral contaminations from the varicella infection that causes chicken pox and shingles, and additionally diseases from the infection that causes genital herpes.Now and again specialists recommend acyclovir to treat herpes contaminations in individuals with HIV.The medication works by keeping infections from partitioning and increasing. The FDA affirmed acyclovir in the 1980s.

Acyclovir is a non-specific, made by a many organizations, or under the brand name Zovirax, made by GlaxoSmithKline and accessible in tablet, capsule, and syrup. Acyclovir is one of the most seasoned medications used to treat herpes simplex viruses and still is the first line of treatment for these infections. On the other hand, studies demonstrate that acyclovir is not as potent as it used to be. A recent report, distributed in the magazine Current Opinion in Infectious Diseases, observed that acyclovir-safe herpes strains could form after some time. Resistance happens in individuals with a solid immune system and additionally in those with a debilitated immunity.

Important Notice

Note that acyclovir does not cure viral diseases. Be that as it may, it can make diseases less intense for a few individuals. In case you’re taking acyclovir for genital herpes, it can decrease the seriousness or forestall repeats of a herpes flare-up. In case you’re taking acyclovir to treat chicken pox or shingles, the medication can decrease the seriousness of your disease. Know that treatment with acyclovir works best when you begin taking it at the earliest opportunity after a rash shows up.

This implies it be taken within three days of a shingles rash and within 24 hours of a chicken pox rash. It’s normally not important to treat youthful, healthy kids with chicken pox, however, older children or grownups may require treatment when infected with chickenpox. Drink a lot of liquids when taking this medicine. Kids less than 2 years of age should not take acyclovir. Use acyclovir with care in the event that you have kidney malady or any condition that debilitates your immune system. In the event that you have these conditions, you could react negatively to acyclovir.

Approach your specialist for counsel on safe sex in the event that you have a genital herpes. Genital herpes spread through sexual contact, and taking acyclovir alone may not be sufficient to avert it.

Acyclovir and Pregnancy

In case you’re a lady, let your specialist know whether you are or may be pregnant or in case you’re breastfeeding. Analysts have not considered acyclovir use by pregnant ladies, so there’s insufficient confirmation to say that it is safe to take amid pregnancy. Acyclovir likewise may affect breast milk.

Side Effects

The most widely recognized effects of acyclovir treatment for genital herpes incorporate queasiness, heaving, and looseness of the bowels. Shingles requires treatment with higher measurements of acyclovir, and the most widely recognized reactions at higher dosages are tiredness and disquietude. Tell your specialist on the off chance that you have any symptoms. Reactions that may be found in all individuals utilizing acyclovir include:

Muscle or joint inflammation
Visual changes
Changes in conduct

Additional negative reactions can happen. On the off chance that you have any of these symptoms, summon your specialist right away.

Severe rash, hives, or a rash that causes rankles and peeling
Yellowing of skin or eyes
Abnormal bleeding or injuries
Loss of cognizance
Swelling of face, lips, or tongue
Difficulty relaxing or breathing
Decreased urine volume or blood in the pee
Extreme sluggishness or perplexity
Tingling, loss of sensation, or anxiety

Age matters as well. Individuals from 65 years and above may have more reactions from acyclovir in light of the fact that their kidneys don’t dispose of the medicine as younger individuals.

Acyclovir Dosage

Your measurements of acyclovir will rely on upon why you are taking it. Acyclovir comes in tablets, capsules, and syrup. You can ingest it with or without food. Lower measurements may be best for elderly individuals and for anybody with kidney illness.

Basic dosages are:

For treatment of shingles: 800 milligrams (mg) five times a day for 7 to 10 days
For genital herpes treatment: 200 mg five times a day for 10 days
For stopping a repeat of genital herpes: 400 mg every 12 hours for 12 months
For treating chicken pox in grownups and youngsters who weigh more than 18.14 KGs, or 88.18 Lbs: 800 mg four times every day for 5 days


An overdose of acyclovir can bring about kidney damage.
Manifestations of an overdose may include:

Extreme drowsiness
Kidney failure (no urine generation)

If you or someone you know have overdosed on acyclovir or shows any symptoms of an overdose, quickly contact emergency service.

Missed Dose

You ought to take acyclovir precisely as advised by your specialist. Additionally, don’t quit taking acyclovir all alone. Skipping doses or halting too early may not totally treat your disease, or it could make the disease harder to treat. In the event that you miss a dosage of acyclovir, take the missed measurement when you remember. In the event that it’s very nearly time for your next measurements, skip the missed dose. Do not take double fold of your dosage to compensate for missed ones.