Using Permethrin Cream for Scabies: Dosage and Combination Tips

Q: Using Permethrin Cream for Scabies: Dosage and Combination Tips

Hello： Permethrin is used to treat scabies. <br>For adults and older children, after washing and drying the skin with soap, apply the medication all over the body (excluding the face), avoiding contact with the eyes and mucous membranes. <br>After approximately 8 hours, thoroughl

Essential Issues Regarding the Use of Lice Treatment Emulsion

Hello, pharmacist.
I recently contracted scabies, and my doctor prescribed scabicide ointment and a medicated wash.
I also asked the doctor if there was a wash-type medication I could use, and he said I could use a lice treatment.
I bought it, and it says to use it no more than twice a week.
Is it really not safe to exceed that? Additionally, how should I coordinate the use of the lice treatment with the two medications I mentioned? Thank you, pharmacist.

en, 20~29 year old female. Ask Date: 2006/04/10

Dr. Hou Fangmin reply Pharmacology

Hello: Permethrin is used to treat scabies.
For adults and older children, after washing and drying the skin with soap, apply the medication all over the body (excluding the face), avoiding contact with the eyes and mucous membranes.
After approximately 8 hours, thoroughly wash off the medication.
If necessary, treatment may be repeated once after a week.

Precautions for use:
1.
This medication is for external use only and should not be ingested.
Avoid contact with the eyes, mouth, or mucous membranes; store it out of reach of children.

2.
Overuse of this medication may worsen the condition in patients with epilepsy.

3.
Do not apply this medication to inflamed or wounded areas, or to skin around the genitals and anus that is red or has wounds.

4.
Individuals with a history of allergy to this medication (such as rash, hives, etc.) should inform their physician beforehand.

5.
The medication should not be used more than twice within a week.

6.
To prevent reinfection, all clothing worn recently, as well as used bed linens, pillowcases, and towels, should be washed in very hot water or dry cleaned.

7.
Incorrect or repeated use of this medication may cause skin irritation.
If any skin irritation occurs that was not present before treatment, please inform your physician.

As for how to use the two medications together, they should not be used simultaneously; it is better to space them out by one hour.
Thank you for your guidance, and I wish you peace, happiness, and good health.
Bye.

Reply Date: 2006/04/10

More Info

When dealing with scabies, it's crucial to follow the prescribed treatment plan closely to ensure effective eradication of the mites. Permethrin cream is a commonly used topical treatment for scabies, and understanding its proper usage and potential combinations with other medications is essential.

Dosage and Application of Permethrin Cream:
Permethrin cream is typically applied once to the entire body from the neck down, including the soles of the feet and between the fingers and toes. The cream should be left on for at least 8-14 hours before washing it off. In many cases, a second application may be recommended one week later to ensure that any newly hatched mites are also killed.
The instructions you found regarding the limitation of using the cream no more than twice a week are likely referring to the need to avoid overuse, which can lead to skin irritation or other side effects. However, if your doctor has prescribed it differently, it’s essential to follow their guidance, as they may have specific reasons based on your individual case.

Combining Permethrin with Other Treatments:
In your case, you mentioned that your doctor prescribed both Permethrin cream and a product called "密花面皰洗液" (which translates to a type of wash, possibly for skin cleansing or treating acne). It's important to use these products as directed by your healthcare provider. Generally, you can use the wash as part of your daily hygiene routine, but it should not interfere with the application of Permethrin cream.

If you are also using a product like "必去蝨" (which translates to a lice treatment), it’s crucial to understand that while some lice treatments contain similar active ingredients to scabies treatments, they may not be interchangeable. Always consult your healthcare provider or pharmacist before combining treatments to avoid potential interactions or reduced effectiveness.

Precautions and Recommendations:
1. Follow Instructions: Always adhere to the specific instructions provided by your healthcare provider regarding the application of Permethrin and any other treatments.

2. Avoid Overuse: While it may be tempting to apply more frequently if symptoms persist, overuse can lead to skin irritation. If you notice increased irritation or if symptoms do not improve, consult your healthcare provider.

3. Hygiene Practices: Maintain good hygiene practices, including washing bedding, clothing, and towels in hot water to prevent reinfestation.

4. Monitor Symptoms: Keep an eye on your symptoms. If you experience excessive itching, redness, or any signs of an allergic reaction, seek medical advice promptly.

In summary, Permethrin cream is an effective treatment for scabies when used correctly. It’s important to follow your healthcare provider’s instructions regarding dosage and application, especially when combining it with other treatments. If you have any concerns or questions about your treatment plan, don’t hesitate to reach out to your healthcare provider for clarification.

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