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What viral target does oseltamivir inhibit?

Oseltamivir inhibits influenza neuraminidase.

What step do HIV integrase strand transfer inhibitors block?

HIV integrase strand transfer inhibitors inhibit viral DNA integration into the host genome.

Which HCV targets can direct-acting antivirals inhibit?

Hepatitis C direct-acting antivirals target HCV protease, NS5A, or NS5B polymerase.

How do acyclovir and valacyclovir treat herpesvirus infections?

Acyclovir and valacyclovir inhibit viral DNA replication to treat herpes simplex or varicella-zoster infections.

When is influenza antiviral treatment most beneficial?

For people at increased risk of influenza complications, prompt antiviral treatment is recommended; benefit is greatest when started early, usually within 48 hours.

What interaction check is essential before nirmatrelvir–ritonavir?

Before nirmatrelvir–ritonavir treatment, review prescription medicines, over-the-counter drugs, and supplements for interactions; ritonavir strongly inhibits CYP3A.

What viral target does baloxavir inhibit?

Baloxavir inhibits influenza cap-dependent endonuclease.

Why may inhaled zanamivir be unsuitable for someone with asthma?

Inhaled zanamivir can cause bronchospasm and is not recommended for people with asthma or other underlying respiratory disease.

Do herpes antivirals remove latent HSV from the body?

Acyclovir, valacyclovir, and famciclovir do not eradicate latent herpes simplex virus.

Can genital herpes be transmitted when symptoms are absent?

Herpes transmission can still occur when symptoms are absent, so counseling about reducing transmission remains important.

What organ function can affect nirmatrelvir–ritonavir dosing?

Kidney function can affect nirmatrelvir–ritonavir dosing and eligibility.

Why must HIV therapy continue even when a patient feels well?

Ongoing HIV therapy is needed to maintain viral suppression; treatment suppresses HIV but does not eliminate it.