"Scientists at the National Institutes of Health report they have discovered in mouse studies that a small molecule released in the spinal cord triggers a process that is later experienced in the brain as the sensation of itch.
Nystatin Topical Powder should not be used for the treatment of systemic, oral, intravaginal or ophthalmic infections.
If irritation or sensitization develops, treatment should be discontin-ued and appropriate measures taken as indicated. It is recommended that KOH smears, cultures, or other diagnostic methods be used to confirm the diagnosis of cutaneous or mucocutaneous candidia-sis and to rule out infection caused by other pathogens.
If there is a lack of therapeutic response, KOH smears, cultures, or other diagnostic methods should be repeated.
Carcinogenesis, Mutagenesis, Impairment of Fertility
No long-term animal studies have been performed to evaluate the carcinogenic potential of nystatin. No studies have been performed to determine the mutagenicity of nystatin or its effects on male or female fertility.
Pregnancy: Teratogenic Effects
Category C. Animal reproduction studies have not been conducted with any nystatin topical preparation. It also is not known whether these preparations can cause fetal harm when used by a pregnant woman or can affect reproductive capacity. Nystatin topical prepara-tions should be prescribed for a pregnant woman only if the potential benefit to the mother out-weighs the potential risk to the fetus.
It is not known whether nystatin is excreted in human milk. Caution should be exercised when nystatin is prescribed for a nursing woman.
Safety and effectiveness have been established in the pediatric pop-ulation from birth to 16 years.
(See DOSAGE AND ADMINISTRATION).
Last reviewed on RxList: 12/4/2008
This monograph has been modified to include the generic and brand name in many instances.
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