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Use in pregnancy appears to be safe. [2] It is a prodrug, which works after being converted to aciclovir in a person's body. [2] Valaciclovir was patented in 1987 and came into medical use in 1995. [3] [4] It is on the World Health Organization's List of Essential Medicines. [5] It is available as a generic medication. [6]
When used during pregnancy, it causes birth defects in some animals. [3] Valganciclovir is the L-valyl ester of ganciclovir and works when broken down into ganciclovir by the intestine and liver. [3] Valganciclovir was approved for medical use in 2001. [4] It is on the World Health Organization's List of Essential Medicines. [5]
The pregnancy category of a medication is an assessment of the risk of fetal injury due to the pharmaceutical, if it is used as directed by the mother during pregnancy. It does not include any risks conferred by pharmaceutical agents or their metabolites in breast milk .
Brivudine is used for the treatment of herpes zoster in adult patients. It is taken orally once daily, in contrast to aciclovir, valaciclovir and other antivirals. [1] A study has found that it is more effective than aciclovir, but this has been disputed because of a possible conflict of interest on part of the study authors.
Cidofovir is only available as an intravenous formulation. Cidofovir is to be administered with probenecid which decreases side effects to the kidney. [22] Probenecid mitigates nephrotoxicity by inhibiting organic anion transport of the proximal tubule epithelial cells of the kidney. [23]
It is safe for people over three months of age and can be used during pregnancy. [1] The medication can be taken with or without food. [1] Lamivudine is a nucleoside reverse transcriptase inhibitor and works by blocking the HIV reverse transcriptase and hepatitis B virus polymerase. [1]
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[4] [5] It is unclear if it has adverse effects on the fetus during pregnancy. [4] Ethosuximide is in the succinimide family of medications. Its mechanism of action is thought to be due to antagonism of the postsynaptic T-type voltage-gated calcium channel. [6] Ethosuximide was approved for medical use in the United States in 1960. [7]