Poviral

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Poviral uses


Pharmacological action

Poviral is an antiviral agent. Thymidine kinase of virus-infected cells actively converts Poviral through a series of sequential reactions in the mono-, di- and triphosphate of Poviral. The latter interacts with the viral DNA polymerase, and embedded in DNA, which is synthesized for new viruses. Thus it is formed a "defective" viral DNA which leads to suppression of replication of new generations of viruses.

This mediciine Poviral is active against Herpes Simplex virus types 1 and 2, Varicella Zoster virus, Epstein-Barr virus and cytomegalovirus.

Pharmacokinetics

For oral administration bioavailability is 15-30%. Widely distributed in tissues and body fluids. Plasma protein binding is 9-33%. Metabolised in liver. T1/2 for oral administration - 3.3 h, intravenous - 2.5 hours; Poviral excreted in the urine, also in small quantities - with feces.

Why is Poviral prescribed?

For systemic use : infections caused by Herpes Simplex virus types 1 and 2 and Varicella Zoster; prevention of infections caused by viruses Herpes Simplex and Varicella Zoster (including in patients with low immunity); in combined therapy with the pronounced immunodeficiency (including in the clinical picture of HIV infection) and in patients undergoing marrow transplantation, prevention of cytomegalovirus infection after marrow transplantation.

For topical use in ophthalmology: keratitis and other eye damage caused by Herpes Simplex virus.

For external use: infections of the skin caused by Herpes Simplex virus and Varicella Zoster like Herpes Simplex of the skin and mucous membranes, genital herpes (primary and recurrent) localized zoster (support therapy).

Dosage and administration

Poviral for oral usage for adults and children older than 2 years - 200-400 mg of 3-5 times / day, if necessary - to 20 mg / kg (up to 800 mg per dose) 4 times / day. For children under 2 years are used in doses equal to half the adult dose. Duration of treatment - 5-10 days. In renal insufficiency is recommended correction dosing regimen.

IV in adults and children over 12 years - 5-10 mg / kg, the interval between infusions - 8 hours. Children under the age of 3 months to 12 years - 250-500 mg / m2 body surface, the interval between infusions - 8 hours, for infants dose is 10 mg / kg, the interval between infusions - 8 hours.

In renal insufficiency must be corrected dosing regimen.

Locally and externally applied 5 times / 24 h. Dose and duration of treatment depends on the testimony and the use of dosage form.

Maximum dose for adults for IV usage is 30 mg / kg / 24 h.

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Poviral side effects, adverse reactions

For oral usage: nausea, vomiting, diarrhea, abdominal pain, skin rash, headache, dizziness, fatigue, reduced concentration, hallucinations, drowsiness or insomnia, fever, rarely - hair loss, a transient increase in blood concentrations of bilirubin, urea, creatinine, liver enzymes, lymphocytopenia, eritropeniya, leukopenia.

For IV usage: acute renal failure, crystalluria, encephalopathy, phlebitis, or inflammation at the injection site, nausea, vomiting.

For topically usage: a burning sensation in the application area, superficial punctate keratitis, blepharitis, conjunctivitis.

For external usage: in the application area may be a burning sensation, skin rash, itching, peeling, erythema, dry skin in contact with mucous membranes - inflammation.

Contraindications

Hypersensitivity to Poviral and valaciclovir; for IV usage - lactation (breast feeding).

Using during pregnancy and breastfeeding

Pregnancy. Perhaps, if the expected effect of the therapy outweighs the potential risk to the fetus ; Poviral passes through the placenta. Data on the outcome of pregnancy in women taking Poviral systemic action in the I trimester of pregnancy showed no increase in birth defects compared with the total population. Since the observation was included a small number of women, reliable and definitive conclusions about the safety of Poviral in pregnancy can be done.

Breastfeeding. Poviral penetrates into breast milk. After taking Poviral by mouth, it was determined in breast milk in concentrations, the ratio of which, with concentrations in blood plasma was 0,6-1,4. At these concentrations in breast milk, children who are breastfed can receive Poviral at a dose of 0.3 mg / kg / day. Given this, should appoint Poviral lactating women with caution, only if necessary.

Special instructions

Do not use Poviral with severely impaired renal function.

Note that the application of Poviral may develop acute renal failure due to precipitate formation of crystals of Poviral, which is especially likely during rapid IV introduction, the simultaneous use of nephrotoxic drugs in patients with impaired renal function and lack of water stress.

When applying aciclovir should monitor renal function (determination of the level in the blood urea nitrogen and creatinine in blood plasma).

Treatment of elderly patients should be conducted with a sufficient increase in water load and under the supervision of a physician, because among these patients increased half-life of Poviral.

In the treatment of genital herpes should avoid sex or use condoms, because use of Poviral does not prevent transmission to partners.

This medication Poviral in the form of dosage forms for topical use should not be applied to mucous membranes of the mouth, eyes, vagina.

Poviral drug interactions

With simultaneous use of probenecid decreases the tubular secretion of Poviral, and thereby increases the concentration in blood plasma and the half-life of Poviral.

With simultaneous use of Poviral with other nephrotoxic drugs increases the risk of nephrotoxicity.

Enhancing effect of Poviral is noted while appointing immunostimulators.

When mixed solutions should be considered an alkaline reaction to Poviral for IV introduction (pH 11).

Poviral in case of emergency / overdose

Symptoms: headache, neurological disorders, shortness of breath, nausea, vomiting, diarrhea, renal failure, lethargy, convulsions, coma.

Treatment: symptomatic therapy, the maintenance of vital functions, adequate hydration, hemodialysis (especially in acute renal failure and anuria).There is no data for overdose when applied topically.

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Poviral pharmaceutical active ingredients containing related brand and generic drugs:

Active ingredient is the part of the drug or medicine which is biologically active. This portion of the drug is responsible for the main action of the drug which is intended to cure or reduce the symptom or disease. The other portions of the drug which are inactive are called excipients; there role is to act as vehicle or binder. In contrast to active ingredient, the inactive ingredient's role is not significant in the cure or treatment of the disease. There can be one or more active ingredients in a drug.


Poviral available forms, composition, doses:

Form of the medicine is the form in which the medicine is marketed in the market, for example, a medicine X can be in the form of capsule or the form of chewable tablet or the form of tablet. Sometimes same medicine can be available as injection form. Each medicine cannot be in all forms but can be marketed in 1, 2, or 3 forms which the pharmaceutical company decided based on various background research results.
Composition is the list of ingredients which combinedly form a medicine. Both active ingredients and inactive ingredients form the composition. The active ingredient gives the desired therapeutic effect whereas the inactive ingredient helps in making the medicine stable.
Doses are various strengths of the medicine like 10mg, 20mg, 30mg and so on. Each medicine comes in various doses which is decided by the manufacturer, that is, pharmaceutical company. The dose is decided on the severity of the symptom or disease.


Poviral destination | category:

Destination is defined as the organism to which the drug or medicine is targeted. For most of the drugs what we discuss, human is the drug destination.
Drug category can be defined as major classification of the drug. For example, an antihistaminic or an antipyretic or anti anginal or pain killer, anti-inflammatory or so.


Poviral Anatomical Therapeutic Chemical codes:

A medicine is classified depending on the organ or system it acts [Anatomical], based on what result it gives on what disease, symptom [Therapeutical], based on chemical composition [Chemical]. It is called as ATC code. The code is based on Active ingredients of the medicine. A medicine can have different codes as sometimes it acts on different organs for different indications. Same way, different brands with same active ingredients and same indications can have same ATC code.


Poviral pharmaceutical companies:

Pharmaceutical companies are drug manufacturing companies that help in complete development of the drug from the background research to formation, clinical trials, release of the drug into the market and marketing of the drug.
Researchers are the persons who are responsible for the scientific research and is responsible for all the background clinical trials that resulted in the development of the drug.


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References

  1. Dailymed."ACYCLOVIR TABLET [PD-RX PHARMACEUTICALS, INC.]". https://dailymed.nlm.nih.gov/dailym... (accessed August 28, 2018).
  2. Dailymed."ACYCLOVIR: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailym... (accessed August 28, 2018).
  3. "acyclovir". https://pubchem.ncbi.nlm.nih.gov/co... (accessed August 28, 2018).

Frequently asked Questions

Can i drive or operate heavy machine after consuming Poviral?

Depending on the reaction of the Poviral after taken, if you are feeling dizziness, drowsiness or any weakness as a reaction on your body, Then consider Poviral not safe to drive or operate heavy machine after consumption. Meaning that, do not drive or operate heavy duty machines after taking the capsule if the capsule has a strange reaction on your body like dizziness, drowsiness. As prescribed by a pharmacist, it is dangerous to take alcohol while taking medicines as it exposed patients to drowsiness and health risk. Please take note of such effect most especially when taking Primosa capsule. It's advisable to consult your doctor on time for a proper recommendation and medical consultations.

Is Poviral addictive or habit forming?

Medicines are not designed with the mind of creating an addiction or abuse on the health of the users. Addictive Medicine is categorically called Controlled substances by the government. For instance, Schedule H or X in India and schedule II-V in the US are controlled substances.

Please consult the medicine instruction manual on how to use and ensure it is not a controlled substance.In conclusion, self medication is a killer to your health. Consult your doctor for a proper prescription, recommendation, and guidiance.

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Review

sdrugs.com conducted a study on Poviral, and the result of the survey is set out below. It is noteworthy that the product of the survey is based on the perception and impressions of the visitors of the website as well as the views of Poviral consumers. We, as a result of this, advice that you do not base your therapeutic or medical decisions on this result, but rather consult your certified medical experts for their recommendations.

Visitor reports

Visitor reported useful

No survey data has been collected yet

Visitor reported side effects

No survey data has been collected yet

Visitor reported price estimates

No survey data has been collected yet

One visitor reported frequency of use

How often in a day do you take the medicine?
Are you taking the Poviral drug as prescribed by the doctor?

Few medications can be taken Once in a day more than prescribed when the doctor's advice mentions the medicine can be taken according to frequency or severity of symptoms. Most times, be very careful and clear about the number of times you are taking the medication. The report of sdrugs.com website users about the frequency of taking the drug Poviral is mentioned below.
Visitors%
Once in a day1
100.0%

One visitor reported doses

What is the dose of Poviral drug you are taking?
According to the survey conducted among sdrugs.com website users, the maximum number of people are using the following dose 201-500mg. Few medications come in only one or two doses. Few are specific for adult dose and child dose. The dose of the medicine given to the patient depends on the severity of the symptom/disease. There can be dose adjustments made by the doctor, based on the progression of the disease. Follow-up is important.
Visitors%
201-500mg1
100.0%

Two visitors reported time for results

What is the time duration Poviral drug must be taken for it to be effective or for it to reduce the symptoms?
Most chronic conditions need at least some time so the dose and the drug action gets adjusted to the body to get the desired effect. The stastistics say sdrugs.com website users needed 2 weeks to notice the result from using Poviral drug. The time needed to show improvement in health condition after using the medicine Poviral need not be same for all the users. It varies based on other factors.
Visitors%
2 weeks1
50.0%
> 3 month1
50.0%

One visitor reported administration

The drugs are administered in various routes, like oral or injection form. They are administered before food or after food. How are you taking Poviral drug, before food or after food?
Click here to find out how other users of our website are taking it. For any doubts or queries on how and when the medicine is administered, contact your health care provider immediately.
Visitors%
With a meal1
100.0%

Two visitors reported age

Visitors%
30-452
100.0%

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The information was verified by Dr. Arunabha Ray, MD Pharmacology

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