Nystatin is a widely used antifungal medicine known for its effectiveness in treating yeast and fungal infections in the mouth, particularly those caused by Candida species.

Nystatin drops is commonly prescribed for oral thrush, skin infections, and intestinal fungal overgrowth, offering relief from discomfort and preventing complications.

What Are the Uses of Nystatin?

Nystatin is highly effective in targeting fungal infections and is suitable for both oral and topical use depending on the condition.

Conditions Nystatin Treats

  • Oral Thrush: It is effective in treating oral candidiasis (thrush), a common fungal infection in the mouth.
  • Gastrointestinal Infections: Nystatin tablets are used to treat fungal infections in the intestines, typically caused by Candida overgrowth.
  • Topical Infections: The powder form is used to treat fungal infections on the skin, such as diaper rash.

Secondary Uses of Nystatin

  • Prevention of fungal infections in people undergoing chemotherapy or taking immunosuppressants.
  • Used to treat fungal infections in people with weakened immune systems (e.g., HIV/AIDS patients).

How Does Nystatin Works

Nystatin works by binding to ergosterol, a vital component found in fungal cell membranes. This binding creates holes in the fungal cell membrane, leading to the leakage of cellular contents and eventual death of the fungus, effectively stopping the infection from spreading.

Alternatives to Nystatin

If Nystatin doesn't work or causes irritation, your doctor may recommend:

  • Clotrimazole (cream or lozenge)
  • Miconazole (for mouth or skin)
  • Fluconazole (oral tablet for deeper infections)

Some of these work better for internal infections, while Nystatin is mostly used topically.

Nystatin Dosage Guidelines

Proper usage is essential for effective treatment. Always take Nystatin exactly as prescribed by your healthcare provider.

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Forms of Nystatin

Nystatin is available in several forms:

  • Tablets
  • Oral Suspension
  • Topical Powder

Typical Dosage Instructions

  • Oral Tablets: It is taken orally to treat fungal infections in the gastrointestinal tract. Typically taken three times a day, dosage depends on the severity of the infection and the patient's age and weight.
  • Oral Suspension: Nystatin oral suspension (liquid form) is used to treat oral thrush (yeast infection in the mouth). Swished around the mouth before swallowing, usually administered four times a day.
  • Topical Powder: It treats fungal infections on the surface of the body, such as diaper rash caused by Candida. Applied to the affected area of the skin, usually twice a day. It should not be covered unless directed by a healthcare provider.

What Should I Do If I Miss a Dose of Nystatin?

If you miss a dose, take it as soon as you remember. If it's almost time for the next dose, skip the missed one. Do not double up to make up for a missed dose.

What Happens If I Overdose?

Overdose symptoms may include:

Seek immediate medical attention if you suspect an overdose.

What Are the Side Effects of Nystatin?

Understanding possible side effects helps you identify what's normal and when to seek medical help.

Common Side Effects

  • Nausea
  • Diarrhea
  • Stomach cramps
  • Mild skin irritation (with topical forms)

Serious But Rare Side Effects

  • Severe allergic reactions (rash, itching, swelling)
  • Trouble breathing
  • Mouth irritation or soreness (with oral forms)

Contact your doctor if side effects persist or worsen.

Precautions for Nystatin Use

To avoid unwanted reactions, inform your doctor about your health history before starting Nystatin.

  • Avoid use if you are allergic to Nystatin or other antifungals.
  • Use with caution if you have HIV/AIDS, diabetes, or kidney disorders.
  • Talk to your doctor to ensure it's safe to use this medication during pregnancy or while breastfeeding.

Drug Interactions with Nystatin

Knowing potential interactions helps prevent complications, especially if you're on multiple medications.

  • No major drug interactions are known, but inform your doctor about any antibiotics, antifungals, or immunosuppressants you're taking.
  • Share a list of herbal supplements or vitamins to rule out unwanted effects.

How Should Nystatin Be Stored?

Proper storage ensures the medication remains effective and safe to use throughout its shelf life.

  • Store Nystatin at room temperature (below 25°C), away from heat and light.
  • Keep the medicine tightly closed and out of reach of children and pets.
  • Do not freeze oral suspension or expose the powder to humidity.

Nystatin is an effective antifungal medication used to treat a variety of yeast infections, both orally and topically. It is important to follow your doctor's instructions carefully regarding dosage and administration to ensure effective treatment and minimize side effects.

If you experience any unusual symptoms or side effects while using Nystatin, consult your healthcare provider promptly for further guidance.

Nystatin vs Clotrimazole

Nystatin Clotrimazole
Primarily used for Candida infections Effective against Candida and dermatophytes
Commonly used for oral thrush and GI candidiasis Commonly used for skin and vaginal yeast infections
Usually available as oral suspension, tablet, or topical Available as topical cream, lotion, powder, and vaginal tablet
Poor absorption from the gastrointestinal tract Minimally absorbed when applied topically
Often prescribed for infants and immunocompromised patients More commonly used for localized fungal skin infections

References

Nystatin
Nystatin: MedlinePlus Drug Information
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Frequently Asked Questions

No, Nystatin is not an antibiotic. It is an antifungal medication used to treat fungal infections caused by yeast.

Yes, Nystatin can cause side effects such as diarrhea, nausea, swelling of the stomach or pain, and irritation or burning in the mouth. Some side effects may be serious. If you experience severe symptoms, stop using Nystatin and consult your doctor immediately.

Nystatin usually starts working within 2 to 3 days. Full improvement may take 7 to 14 days, depending on the severity and location of the infection.

Listerine and other mouthwashes containing antiseptic agents like chlorhexidine may help manage oral thrush by reducing the number of Candida yeast in the mouth. However, they are not a replacement for prescribed antifungal medications like Nystatin.

Nystatin treats surface yeast infections (like in the mouth or skin), while Fluconazole is used for deeper or systemic fungal infections.

Yes, Nystatin is generally considered safe for use during pregnancy, especially for treating local infections. Always consult your doctor before use.

No. Ringworm is best treated with antifungal creams like Clotrimazole or Terbinafine.

Nystatin can be prescribed for all age groups, including infants. However, dosage and form (oral vs. topical) will vary based on age and condition.

Yes, Nystatin has no known interactions with food or alcohol. However, for best results and to avoid any complications, always follow your doctor’s instructions when using this medication.


Disclaimer: The information provided is accurate and up-to-date to the best of our knowledge. However, it should not be considered a substitute for medical advice or consultation. We do not guarantee its completeness or accuracy. The absence of specific warnings does not mean a medicine is safe for all users. We are not responsible for any outcomes based on this information and strongly recommend consulting a doctor for any medical concerns or questions.

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