Reviewed on 10/24/2022

What Is Crotamiton and How Does It Work?

Crotamiton is a prescription medication used to treat the symptoms of scabies and pruritus

  • Crotamiton is available under the following different brand names: Eurax 

What Are Side Effects Associated with Using Crotamiton?

Common side effects of Crotamiton include:

  • mild itching, and
  • new rash

Serious side effects of Crotamiton include:

  • hives,
  • difficulty breathing,
  • swelling of the face, lips, tongue, or throat, and
  • severe burning, stinging, or irritation after using this medicine

Rare side effects of Crotamiton include:

  • none 

Seek medical care or call 911 at once if you have the following serious side effects:

  • Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors;
  • Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • Serious heart symptoms include fast, irregular, or pounding heartbeats; fluttering in the chest; shortness of breath; sudden dizziness, lightheadedness, or passing out.

This is not a complete list of side effects and other serious side effects or health problems that may occur because of the use of this drug. Call your doctor for medical advice about serious side effects or adverse reactions. You may report side effects or health problems to FDA at 1-800-FDA-1088.

What Are Dosages of Crotamiton?

Adult and pediatric dosage


  • 10 %


Adult and pediatric dosage

  • Topical: Wash thoroughly and scrub away loose scales, then dry; apply a thin layer and massage drug onto the skin of the entire body from neck to toes; repeat in 24 hours; bath 48 hours after final application to cleanse the body; may repeat the treatment after 7-10 days if live mites present


Adult dosage

  • Massage into affected areas until the medication is completely absorbed; repeat as needed

Dosage Considerations – Should be Given as Follows: 

  • See “Dosages”

What Other Drugs Interact with Crotamiton?

If your medical doctor is using this medicine to treat your pain, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider, or pharmacist first.

  • Crotamiton has no noted severe interactions with any other drugs.
  • Crotamiton has no noted serious interactions with any other drugs.
  • Crotamiton has no noted moderate interactions with any other drugs.
  • Crotamiton has no noted minor interactions with any other drugs.

This information does not contain all possible interactions or adverse effects. Visit the RxList Drug Interaction Checker for any drug interactions. Therefore, before using this product, tell your doctor or pharmacist about all your products. Keep a list of all your medications with you and share this information with your doctor and pharmacist. Check with your healthcare professional or doctor for additional medical advice, or if you have health questions or concerns.

What Are Warnings and Precautions for Crotamiton?


  • Hypersensitivity to crotamiton or components 

Effects of drug abuse

  • None

Short-Term Effects

  • See “What Are Side Effects Associated with Using Crotamiton?”

Long-Term Effects

  • See “What Are Side Effects Associated with Using Crotamiton?”


  • For external use only
  • Avoid contact with eyes, mucous membranes urethral meatus, and face
  • Not for application to acutely inflamed raw skin

Pregnancy and Lactation

  • Use with caution if the benefits outweigh the risks during pregnancy.
  • Lactation
    • Excretion in milk unknown

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