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Derbac M Liquid is an effective treatment for headlice, pubic lice (crab lice), their eggs and in the treatment of scabies.

Derbac M is a treatment for headlice, nits, scabies, and crab lice infestations. It’s available in an easy to apply liquid which can treat up to 4 heads. Derbac M fights the insects that cause your infestation, so you can comb them away and get rid of the problem once and for all. If a member of your family has brought home some unwelcome creepy crawlies on their scalp, Derbac M could be the perfect solution for everyone.

Get rid of scabies in 24 hours

The active ingredient in this medicine is Malathion 0.5% w/w.

  • Suitable for sensitive skin and asthma sufferers
  • Head lice, pubic lice (crab lice), their eggs and in the treatment of scabies

  • Can be used from 6 months of age
Who can use Derbac M?

This product is for use in adults, children 6 months and over.  

How to use Derbac M?

If one member of your family requires treatment it is important to check other members of your family for living lice and treat them also if necessary.

To Treat lice 

  • Apply the liquid to dry hear ensuring the scalp is fully covered. Work into the hear spreading the liquid evenly from the root to the tips.
  • Dry hair naturally in a well-ventilated room.
  • The following day or after 12 hours wash your hair in the usual manner.
  • While the hair is still wet use a nit comb to remove dead lice and eggs/nits.
  • This treatment should be repeated after 7 days.

To Treat Scabies

  • Apply to the entire skin surface
  • In adults it may not be necessary to apply above the neck
  • If used in children under the age of 2 years, a thin film of the liquid should be applied to scalp, face and on the ears but not inside the ears, avoiding the eyes and mouth
  • Do not wash off or bathe for 24 hours.If hands or any other parts must be washed during this period, the treatment must be reapplied to those areas immediately
  • The treatment should be repeated after 7 days

For the treatment of Public Lice (crabs) please see the patient information leaflet (PIL) in the box.

If you are pregnant or breastfeeding.

If you are pregnant or breastfeeding please speak to your doctor before using this medication.



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