Derbac M 0.5% liquid - 150ml x 2 Packs

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Derbac M Liquid is a liquid emulsion containing the active ingredient Malathion. It is used for the eradication of head lice, pubic lice and their eggs and for the treatment of scabies in adults, the elderly, and children aged 6 months and over. As Derbac M does not contain alcohol, it may be more suitable for those with asthma or eczema.

The active substance of Derbac M Liquid is Malathion. It contains 0.5% by weight. The other ingredients in Derbac M Liquid are: methylhydroxybenzoate (E218), propylhydroxybenzoate (E216), emulsifying wax, potassium citrate, citric acid, perfume HT52 and water.

For more information, see the product information leaflet.

Please refer to patient information leaflet.

Adults, the elderly and children aged 6 months and over:

For treatment of head lice:

  • Apply sufficient liquid to dry hair to ensure that no part of the scalp is left uncovered. Work into the hair spreading the liquid evenly from root to tip.
  • Leave the hair to dry naturally in a warm but well ventilated room.
  • After 12 hours, or the next day, if preferred, shampoo hair in the normal way.
  • Rinse the hair and comb whilst wet to remove dead lice and eggs (nits) using a nit comb.
  • The treatment should be repeated after 7 days.

For treatment of Crab (pubic) lice:

  • Apply to the entire skin surface
  • Pay particular attention to all hairy areas including beards and moustaches. Avoid any other areas above the neck.
  • Leave on for at least 1 hour before washing but preferably leave on overnight. Wash off in the usual manner.
  • The treatment should be repeated after 7 days.

For treatment of 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 the scalp, face and ears, avoiding the eyes and mouth.
  • Do not wash 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. No special sterilisation of clothing is necessary, ordinary laundering or dry cleaning with hot iron pressing are sufficient. The infestation is cleared by the treatment. However, the itching and rash may persist for up to 7 days. An anti-irritant cream can be applied if necessary. Family members and close contacts should also be treated simultaneously.

Children under 6 months:

  • Do not use it on children under 6 months unless your doctor tells you to.
  • Use as Directed: Use Derbac M 0.5% liquid strictly according to the prescribed dosage or package instructions. Do not use more than recommended.
  • Skin and Eye Contact: Avoid contact with the eyes, mouth, and broken or inflamed skin. If contact occurs, rinse thoroughly with water. In case of eye irritation, seek medical attention.
  • Allergic Reactions: Discontinue use and seek medical advice if you experience any signs of an allergic reaction, such as skin rash, itching, swelling, or difficulty breathing.
  • Pregnancy and Breastfeeding: Consult a healthcare professional before using Derbac M if you are pregnant, planning to become pregnant, or breastfeeding.
  • Children: Derbac M can be used in children aged 6 months and older under adult supervision.
  • Storage: Keep Derbac M 0.5% liquid in a cool, dry place, out of the reach of children. Store it away from direct sunlight or excessive heat.

Derbac M Liquid is a liquid emulsion containing the active ingredient Malathion. It is used for the eradication of head lice, pubic lice and their eggs and for the treatment of scabies in adults, the elderly, and children aged 6 months and over. As Derbac M does not contain alcohol, it may be more suitable for those with asthma or eczema.

The active substance of Derbac M Liquid is Malathion. It contains 0.5% by weight. The other ingredients in Derbac M Liquid are: methylhydroxybenzoate (E218), propylhydroxybenzoate (E216), emulsifying wax, potassium citrate, citric acid, perfume HT52 and water.

For more information, see the product information leaflet.

Please refer to patient information leaflet.

Adults, the elderly and children aged 6 months and over:

For treatment of head lice:

  • Apply sufficient liquid to dry hair to ensure that no part of the scalp is left uncovered. Work into the hair spreading the liquid evenly from root to tip.
  • Leave the hair to dry naturally in a warm but well ventilated room.
  • After 12 hours, or the next day, if preferred, shampoo hair in the normal way.
  • Rinse the hair and comb whilst wet to remove dead lice and eggs (nits) using a nit comb.
  • The treatment should be repeated after 7 days.

For treatment of Crab (pubic) lice:

  • Apply to the entire skin surface
  • Pay particular attention to all hairy areas including beards and moustaches. Avoid any other areas above the neck.
  • Leave on for at least 1 hour before washing but preferably leave on overnight. Wash off in the usual manner.
  • The treatment should be repeated after 7 days.

For treatment of 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 the scalp, face and ears, avoiding the eyes and mouth.
  • Do not wash 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. No special sterilisation of clothing is necessary, ordinary laundering or dry cleaning with hot iron pressing are sufficient. The infestation is cleared by the treatment. However, the itching and rash may persist for up to 7 days. An anti-irritant cream can be applied if necessary. Family members and close contacts should also be treated simultaneously.

Children under 6 months:

  • Do not use it on children under 6 months unless your doctor tells you to.
  • Use as Directed: Use Derbac M 0.5% liquid strictly according to the prescribed dosage or package instructions. Do not use more than recommended.
  • Skin and Eye Contact: Avoid contact with the eyes, mouth, and broken or inflamed skin. If contact occurs, rinse thoroughly with water. In case of eye irritation, seek medical attention.
  • Allergic Reactions: Discontinue use and seek medical advice if you experience any signs of an allergic reaction, such as skin rash, itching, swelling, or difficulty breathing.
  • Pregnancy and Breastfeeding: Consult a healthcare professional before using Derbac M if you are pregnant, planning to become pregnant, or breastfeeding.
  • Children: Derbac M can be used in children aged 6 months and older under adult supervision.
  • Storage: Keep Derbac M 0.5% liquid in a cool, dry place, out of the reach of children. Store it away from direct sunlight or excessive heat.

Hi there! I'm Haroon and I'm the Superintendent Pharmacist and Lead Prescriber here at Pharmacy Prime.

(I'm also known as Chief Banter Officer in the pharmacy, but that's by the by).

Registered with GPhC (No. 2070534).

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