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3.9
antiviral drugs for common infections
generic | dosage | route of administration | indication and common dose |
---|---|---|---|
amantadine (symmetrel) | tablet, capsule, syrup | oral | influenza: 100-200 mg a day influenza pediatric: varies by age and weight of patient.. |
famciclovir (famvir) | tablet | oral | herpes zoster (shingles): 500 mg every 8 hours genital herpes (acute): 1000 mg twice a day for 1 day genital herpes (chronic suppression): 250 mg twice a day for 1 year herpes labialis (cold sores): 1500 mg a single dose |
oseltamivir (tamiflu) | capsule, oral suspension | oral | influenza (adult): 75 mg twice a day for 5 days. influenza (pediatrics): varies by age and weight of patient. |
ribavirin (virazole, various) | tablet, capsule, oral solution, inhalation | oral, topical (inhaled) | RSV: 20 mg/mL inhaled for 12-18 hours a day |
rimantadine (flumadine) | tablet | oral | Influenza (adult): 100 mg twice a day. Influenza (pediatrics): 5 mg/kg a day. |
Valacyclovir (Valtrex) | tablet | oral | Herpes Zoster (shingles): 1g 3 times a day for 7 days. Genital Herpes (acute): 1g twice a day for 10 days Genital herpes (chronic suppression): 1 g a day herpes labialis (cold sores): 2 g every 12 hours for 1 day |
Zanamivir (relenza) | powder for inhalation | topical (inhaled) | influenza: 2 inhalations twice a day. |
acyclovir (zovirax) | tablet, capsule, oral suspension, ointment, IV | oral, topical, IV | herpes zoster (shingles) and chicken pox: 800 mg 5 times a day for 7-10 days. genital herpes (acute): 400 mg 5 times a day genital herpes (chronic suppression): 400 mg twice a day for 1 year chickenpox (pediatric): 20 mg/kg 4 times a day. |