You kill scabies with a prescription skin cream that destroys the mites on contact, applied from the neck down and left on for 8 to 14 hours before washing off. That single treatment often does the job, but a second round about a week later catches any mites that survived or hatched from eggs. Here’s everything you need to know about eliminating scabies from your body, your home, and your household.
How Prescription Creams Kill Scabies
The standard treatment is a 5% permethrin cream. Permethrin is a synthetic insecticide that attacks the nervous system of the mites, paralyzing and killing them. You apply it to clean, dry skin covering every surface from the neck down, including between fingers, under nails, the soles of your feet, and skin folds. After 8 to 14 hours, you wash it off in the shower.
One application is often enough, but most providers recommend a second application about seven days later. The reason: permethrin kills live mites effectively but doesn’t reliably destroy their eggs. Scabies eggs hatch in roughly 3 to 4 days, so the second round catches newly hatched mites before they can mature and lay more eggs. If you skip this step, you risk the whole cycle restarting.
A common mistake is treating only the areas that itch. Scabies mites can burrow anywhere below the neck, and missing even a small patch gives them a place to survive. Pay special attention to wrists, elbows, armpits, the waistline, and between the toes.
Oral Medication as an Alternative
Your doctor may prescribe a pill instead of, or alongside, a topical cream. This oral option works by circulating through your bloodstream, so when mites feed on your skin, they ingest the drug and die. It’s particularly useful for people who have trouble applying cream thoroughly, or for cases that don’t respond to topical treatment alone.
Like the cream, oral treatment typically requires a second dose about a week after the first. The two approaches can also be combined for severe cases, especially a form called crusted scabies, where thousands of mites infest the skin at once. Crusted scabies is rare but highly contagious and requires aggressive, repeated treatment cycles.
Why Over-the-Counter Products Don’t Work
The CDC is clear on this: do not use over-the-counter products, insecticide sprays, or fumigants to treat scabies. None of these have been tested or approved for killing scabies mites on human skin. Home remedies marketed online, including sulfur soaps and herbal lotions, lack the evidence to support their use as standalone treatments.
Tea tree oil is one natural remedy that has shown some promise in laboratory settings. In vitro testing found that scabies mites exposed to 5% tea tree oil survived a median of 60 minutes, compared to 120 minutes with permethrin and 150 minutes with ivermectin. That sounds encouraging, but killing mites in a petri dish is very different from penetrating burrowed skin. No completed clinical trial has yet confirmed tea tree oil works reliably on actual infections. Relying on it instead of prescription treatment risks letting the infestation spread.
Killing Scabies in Your Home
Scabies mites can survive up to two to three days off human skin, which means bedding, clothing, and towels used in the days before treatment can harbor live mites. On the day you apply treatment, you need to decontaminate these items.
The most effective method is washing fabrics at a minimum of 60°C (140°F). If your washing machine can’t reach that temperature, wash at a lower setting and then run everything through a hot dryer cycle for at least 30 minutes. The sustained heat kills mites and eggs. Items that can’t be washed or dried, like stuffed animals or throw pillows, can be sealed in a plastic bag for at least 72 hours. Without a human host, the mites simply die.
You do not need to fumigate your home, steam-clean carpets, or spray furniture with insecticides. These measures are unnecessary for typical scabies cases and can expose you to chemicals without any benefit.
Everyone in the Household Needs Treatment
Scabies spreads through prolonged skin-to-skin contact, and a person can carry mites for weeks before itching starts. That means your household members and close contacts may already be infected without symptoms. If only you get treated while others are silently carrying mites, they’ll pass them right back to you.
The standard recommendation is to treat all household members and sexual partners at the same time, even those with no symptoms. This synchronized approach is the single most important step in preventing reinfection. For crusted scabies outbreaks in group settings, public health guidance goes even further, recommending treatment for anyone who may have had contact with the infected person or their belongings.
What to Expect After Treatment
Here’s something that catches many people off guard: the itching doesn’t stop when the mites die. Your immune system has been reacting to mite proteins burrowed into your skin, and that allergic response continues for weeks after successful treatment. Itching that persists for two to four weeks is normal and does not mean the treatment failed.
What should concern you is the appearance of new symptoms after that window. If you’re still itching intensely four weeks after treatment, or you notice new burrows, new red bumps, blisters, or flaking skin a week or more after treatment, that suggests live mites survived. At that point, retreatment is necessary.
Cool compresses, antihistamines, and moisturizers can help manage the post-treatment itch while your skin heals. The rash and irritation fade gradually as your immune system clears the remaining debris from dead mites and their waste.
Why Timing and Consistency Matter
Scabies is not a one-and-done problem. The mite’s life cycle is the reason treatment requires precision. Female mites burrow into the top layer of skin, lay eggs, and die after about a month. Eggs hatch within days, and new mites mature within two weeks. A single missed application or an untreated household member gives the cycle a foothold to restart.
The most reliable approach combines three things at once: prescription treatment applied correctly and repeated on schedule, laundry and environmental cleanup on treatment day, and simultaneous treatment of all close contacts. Miss any one of these three, and you’re likely to find yourself dealing with scabies again in a few weeks.