Skip to Content
Looking to save on your medications?  Find out how 

Nystatin (Topical)

Generic name: nystatin topical

Brand names: Nystop, Pedi-Dri, Mycostatin Topical, Nyamyc, Pediaderm AF, Nyata, Klayesta

Dosage Forms

Excipient information presented when available (limited, particularly for generics); consult specific product labeling. [DSC] = Discontinued product

Cream, External:

Generic: 100,000 units/g (15 g, 30 g)

Kit, External:

Nyata: 100,000 units/g [DSC]

Pediaderm AF Complete: 100,000 units/g [DSC] [contains methylparaben, propylene glycol, propylparaben]

Ointment, External:

Generic: 100,000 units/g (15 g, 30 g)

Powder, External:

Nyamyc: 100,000 units/g (15 g, 30 g, 60 g)

Nyata: 100,000 units/g (45 g [DSC])

Nystop: 100,000 units/g (15 g, 30 g, 60 g)

Generic: 100,000 units/g (15 g, 30 g, 60 g)


Mechanism of Action

Binds to sterols in fungal cell membrane, changing the cell wall permeability allowing for leakage of cellular contents



None through mucous membranes or intact skin

Onset of Action

Symptomatic relief from candidiasis: 24 to 72 hours

Use: Labeled Indications

Fungal infections (cutaneous and mucocutaneous): Treatment of cutaneous and mucocutaneous fungal infections caused by Candida albicans and other susceptible Candida species.


Hypersensitivity to nystatin or any component of the formulation

Dosage and Administration

Dosing: Adult

Fungal infections (cutaneous and mucocutaneous): Topical: Note: Cream is usually preferred to ointment for intertriginous areas; very moist lesions are best treated with topical powder

Cream, ointment: Apply to the affected areas twice daily or as indicated until healing is complete

Powder: Apply to the affected areas 2 to 3 times daily until healing is complete

Dosing: Geriatric

Refer to adult dosing.

Dosing: Pediatric

Diaper dermatitis, candidal: Limited data available: Infants: Ointment, cream: Topical: Apply 2 to 4 times daily to affected area; most studies have used 4 times daily dosing (Hoppe, 1997; Munz 1982)

Mucocutaneous candidal infections: Infants, Children, and Adolescents:

Manufacturer's labeling:

Cream/ointment: Topical: Apply to affected area twice daily

Powder: Topical: Apply to affected area 2 to 3 times daily

Alternate dosing: Limited data available: Cream, ointment, powder: Topical: Apply to affected area 2 to 4 times daily (Bradley 2015)


For topical external use only; not for systemic, oral, intravaginal, or ophthalmic use. Apply liberally to clean/dry skin. For fungal infection of the feet, the powder should be dusted in all footwear (in addition to application to the feet).


Cream, ointment: Store at room temperature.

Topical powder: Store between 15°C to 30°C (59°F to 86°F). Avoid excessive heat (40°C [104°F]).

Drug Interactions

Progesterone: Antifungal Agents (Vaginal) may diminish the therapeutic effect of Progesterone. Avoid combination

Adverse Reactions

Frequency not defined: Dermatologic: Contact dermatitis, Stevens-Johnson syndrome

<1%, postmarketing, and/or case reports: Hypersensitivity reaction


Concerns related to adverse effects:

  • Hypersensitivity: May occur; immediately discontinue if signs of a hypersensitivity reaction occur.
  • Irritation: Discontinue if irritation occurs.

Other warnings/precautions:

  • Appropriate use: For topical external use only; not for systemic, oral, intravaginal, or ophthalmic use.


Pregnancy Risk Factor


Pregnancy Considerations

Animal reproduction studies have not been conducted. Absorption following oral use is poor and nystatin is not absorbed following application to mucous membranes or intact skin.

Patient Education

What is this drug used for?

  • It is used to treat fungal infections of the skin.

Other side effects of this drug: Talk with your doctor right away if you have any of these signs of:

  • Severe skin irritation
  • Signs of a significant reaction like wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat.

Note: This is not a comprehensive list of all side effects. Talk to your doctor if you have questions.

Consumer Information Use and Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Source: Wolters Kluwer Health. Last updated January 16, 2020.