Medication Information Leaflet
This medication is used for treatment of lice and scabies infestation. Malathion kills the lice and mites. This prevents the condition from getting worse.
This medication should be applied on your skin or scalp only. For external use only.
For scabies infestation
Take a warm bath and dry well, then apply this medication to the skin surface of the whole body from the neck down.
For children below 2 years old, carefully apply a thin layer of this medication on the scalp, face, neck and ears. Avoid applying near the eyes and mouth.
Ensure that the medication is also applied on the navel, between the toes and fingers, wrists, armpit area, genital area, buttocks, and any other body creases and folds.
Leave some of the medication under the fingernails and toenails.
Put on fresh clothing after application.
Do not bathe or wash the medication away for 24 hours. Reapply if the medication is washed off from the hands or other body parts.
After 24 hours of application, use soap and water to wash off the medication.
For head lice infestation
Do not wash hair before using this medication. If your hair has been submerged in a chlorinated pool during the last 3 days, wash and dry your hair thoroughly before starting treatment.
Apply this medication to dry hair and scalp until they are thoroughly wet, including the back of your ears, head and neck.
Allow the hair to dry naturally for at least 12 hours.
Do not use electrical heat sources such as hair dryers to dry the hair as it may reduce the effectiveness of this medication.
Wash your hands immediately after the application process.
Wait at least 12 hours after applying the medication before you wash it off with shampoo
Rinse your hair thoroughly and comb wet hair with a fine-tooth nit comb to remove dead lice and eggs.
Possible side effects include:
If any of the side effects do not go away or are serious, please see your doctor.
Symptoms of a drug allergy:
Difficulty in breathing
Itchy skin rashes over your whole body
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Inform your healthcare professional if you are taking any other medications, including supplements, traditional medications and herbal remedies.
Store in a cool and dry place, away from direct sunlight. Keep this medication away from children.
Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.
If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.
This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (National Healthcare Group, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.
Last updated on Apr 2021
This article was last reviewed on
Tuesday, September 28, 2021
In partnership with