Scabies is a highly contagious skin condition caused by the mite Sarcoptes scabiei. It affects millions of people worldwide each year. Oral ivermectin has become one of the most effective and convenient treatments available — and in many cases, it outperforms traditional topical creams.
How Ivermectin Treats Scabies
Ivermectin works by paralyzing and killing the scabies mites and their eggs. It is taken orally, meaning it reaches mites burrowed deep in the skin that topical treatments may miss. This systemic action makes it particularly effective for crusted (Norwegian) scabies — the most severe form of the condition.
What the Research Says
Multiple clinical trials and meta-analyses have confirmed ivermectin’s effectiveness against scabies. A landmark comparison found oral ivermectin to be as effective as topical permethrin for standard scabies, with equivalent cure rates at two weeks. For crusted scabies, oral ivermectin combined with topical treatment is now the standard of care.
Ivermectin vs Permethrin Cream for Scabies
Permethrin 5% cream is the traditional first-line topical treatment. Oral ivermectin is easier to administer (one tablet), reaches deep burrowing mites, and is ideal for large outbreaks and institutional settings. Permethrin cream must be applied to the entire body overnight and may miss burrowed eggs. For many patients, oral ivermectin is the preferred choice due to simplicity and equivalent outcomes.
Dosage for Scabies
The standard dosage for scabies is 200 mcg/kg of body weight taken as a single oral dose. A second dose is often recommended two weeks later to catch any eggs that hatched after the first treatment. For detailed dosing by weight, see our ivermectin dosage guide.
Treating Household Contacts
Because scabies spreads easily through skin-to-skin contact, it is strongly recommended that all household members and close contacts be treated simultaneously — even if they are not yet showing symptoms. This prevents re-infestation.
What to Expect After Treatment
Itching may persist for two to four weeks after successful treatment. This is a normal inflammatory response as the body clears dead mites and is not a sign that treatment failed. If new burrows or rashes appear after four weeks, a second treatment may be needed.
Buy Ivermectin for Scabies
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