Is My Scabies Relapsing? Symptoms and Treatment - Dermatology

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Scabies recurrence?


I have been undergoing treatment for scabies for two weeks.
Since applying the medication, there have been no new rashes, and my skin only occasionally experiences mild itching.
I initially thought I was close to recovery (I have been consistently applying the medication), but in the last three to four days, I have noticed four red spots on the back of my hand that occasionally itch a little.
Unlike the previous rashes, which were extremely itchy, the areas where I previously had rashes have not shown any new lesions in the past three to four days.
When I first visited the doctor, he said it was eczema, but during a follow-up appointment today, another physician stated that it has not yet resolved.
Could this indicate a recurrence of my scabies?

Mr. Lin, 30~39 year old female. Ask Date: 2012/04/18

Dr. Yang Zhiya reply Dermatology


Scabies can recur, and it is generally assessed by checking for the appearance of new similar rashes in common areas affected by scabies (such as the hands, armpits, elbow creases, abdomen, genitals, and groin) or by evaluating the response after administering scabicidal medication.

Reply Date: 2012/04/18

More Info


Scabies, also known as sarcoptic mange, is a highly contagious skin condition caused by the infestation of the skin by the Sarcoptes scabiei mite. The symptoms typically include intense itching, especially at night, and a rash that can appear as small red bumps or blisters. It is important to understand that while treatment can be effective, the healing process can take time, and some symptoms may persist even after the mites have been eliminated.

Based on your description, it seems that you have been undergoing treatment for scabies for about two weeks, and you have not noticed any new rashes since starting the medication. This is a positive sign, as it suggests that the treatment may be working. However, the appearance of new red bumps on your hands, even if they are not as itchy as before, raises some questions about whether the scabies infestation has truly resolved or if there is another underlying issue.

The fact that you have been applying the medication consistently is crucial, as scabies treatment typically involves topical insecticides like permethrin or oral medications such as ivermectin. It is essential to follow the treatment regimen as prescribed by your healthcare provider, and to ensure that all household members and close contacts are treated simultaneously to prevent reinfestation.

The occasional mild itching you are experiencing could be a result of several factors. It is possible that your skin is still healing from the irritation caused by the mites, and this can lead to residual itching even after the infestation has been cleared. Additionally, the new red bumps on your hands could be a manifestation of post-scabetic itch, which is a common occurrence after treatment. This condition can last for weeks to months after the mites have been eliminated, as the skin continues to react to the previous infestation.

Another possibility is that the new red bumps could be due to a different skin condition, such as eczema or contact dermatitis, especially if the doctor has suggested that it might be eczema. It is not uncommon for individuals with a history of skin conditions to experience flare-ups during or after an episode of scabies. Therefore, it is essential to monitor the situation closely and communicate with your healthcare provider about any changes in your symptoms.

In terms of treatment, if your healthcare provider has diagnosed you with eczema or another skin condition, they may recommend topical corticosteroids or other treatments to help alleviate the symptoms. It is crucial to follow their advice and continue with the prescribed treatment plan.

If you are concerned about the possibility of a scabies relapse, it is important to keep an eye on your symptoms and consult your healthcare provider. They may recommend a follow-up examination to determine whether the scabies infestation has truly resolved or if further treatment is necessary. Additionally, if you notice any new symptoms, such as increased itching, new rashes, or signs of infection (such as pus or increased redness), you should seek medical attention promptly.

In summary, while it is encouraging that you have not developed new rashes since starting treatment, the appearance of new red bumps warrants further investigation. It is essential to maintain open communication with your healthcare provider and follow their recommendations for treatment and follow-up care. With proper management, you can expect to see improvement in your symptoms and a resolution of the scabies infestation.

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