It can spread quickly from person to person. If you think you or anyone in your household have scabies, you should see a doctor who will prescribe a suitable cream or lotion. Follow the doctor's instructions carefully. Apply the prescribed cream or lotion to every part of your body from the neck down, including the genitals. It is very important to apply it to every nook and cranny, such as under fingernails and toenails, and between and under the toes.
Some suitable preparations are available from a pharmacy, without a prescription.
Leave the medication on for 24 hours without taking a bath or shower. Wear the same clothes during this time. After 24 hours, have a warm bath and wash off the medication. Change all your clothes and underwear, and wash all bed linen. A regular wash cycle is enough to kill all mites.