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Avir is an over-the-counter (OTC) medicine used to treat acute Herpes zoster (shingles) infection, Herpes zoster pneumonia in adults, initial and recurrent infections of genital herpes, shingles eyes, Hemorrhagic varicella, varicella in infants, immunocompromised patients.
1. What is Avir? What does Avir do?
Avir is an antibiotic used to treat acute Herpes zoster virus (shingles) infection. The drug has the main ingredient Aciclovir 200mg and other excipients just enough. With the above ingredients, Avir is indicated for the following cases:
Initial treatment & prevention of Herpes simplex type 1 and 2 re-infections in the skin, mucous membranes, Herpes simplex encephalitis; Treatment of acute Herpes zoster infections, Herpes zoster pneumonia in adults, shingles eyes; Hemorrhagic varicella, neonatal varicella, varicella in immunocompromised patients; Treatment of initiation & recurrence of genital herpes.
2. Instructions on how to use Avir
Avir can be used by both adults and children. Dosage of Avir will be prescribed on a case-by-case basis. Patients can refer to the following drug suggestions:
2.1. Treatment of Herpes simplex virus infections Adults: 200mg each time (400mg in immunocompromised patients). Drink 5 times a day, each time 4 hours apart. The course of 5-10 days; Children < 2 years old: Use half the adult dose; Children > 2 years: Use the same dose as adults. 2.2. Prevention of Herpes simplex virus re-infection Adults: Immunocompromised patients, organ transplant patients using immunosuppressive drugs, HIV-infected patients, patients receiving chemotherapy: Use 200-400mg/time; use 4 times a day.
Children < 2 years old: Use half the adult dose; Children > 2 years: Use the same dose as adults. 2.3. Treatment of chickenpox and shingles Adults: Take 800mg/time, 5 times a day. 7 day course of treatment; Children: Take 20mg/kg body weight each time (maximum 800mg), 4 times a day, 5 days course. Or for reference: Children <2 years old: 200mg/time, 4 times a day; Children 2-5 years old: Take 400mg/time, 4 times a day; Children > 6 years old: Take 800mg/time, 4 times a day. Patients with renal impairment: Can be started at the normal human dose, however, Aciclovir is eliminated by the kidneys, so a dose adjustment should be considered (for both renal impairment and elderly patients). Dose adjustment based on creatinine clearance as follows: Clearance 10-25ml/min: Take once every 8 hours; Clearance <10ml/min: Once every 12 hours. *Note: Treatment with Acyclovir must be started as soon as possible at the onset of signs and symptoms of disease.
3. Side effects of the drug Avir
During treatment with Avir, users may encounter the following problems:
Short-term use may experience nausea and vomiting; Long-term use (1 year) may cause: nausea, vomiting, diarrhea, abdominal pain, rash, headache. If you experience any of the above side effects or have an unusual reaction when taking Avir, you should notify your doctor immediately.
4. Notes when taking Colestrim supra
Contraindicated to use Avir for people who are sensitive to any of the ingredients of the drug. Special caution should be taken when using Avir in the following cases:
Women who are breast-feeding; Pregnant women; Patients with renal impairment (dose adjusted according to creatinine clearance); Elderly.
5. Interactions of the drug Avir
Drugs that can interact with Avir:
Concurrent use of Zidovudine and Acyclovir can cause users to become lethargic and lethargic; Probenecid competitively inhibits tubular secretion of acyclovir, resulting in an increase of up to 40% and a decrease in urinary excretion and clearance of acyclovir. Amphotericin B and the drug Ketoconazole increase the antiviral potency of Acyclovir; Acyclovir injection should be used with caution in patients who have had a neurological reaction when taking methotrexate. Avir is an over-the-counter (OTC) medicine used to treat acute herpes zoster infections, herpes zoster pneumonia in adults, initial and recurrent infections of genital herpes, shingles eye, and hydrocephalus. Hemorrhagic pox, chickenpox in infants, immunocompromised patients.
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