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Derbac M Liquid - Scabies Treatment
Derbac M Liquid contains malathion 0.5% and is used to treat head lice and scabies. It works by killing the parasites responsible for the infestation and is applied directly to the hair or skin as directed. Suitable for adults, children, and infants over 6 months of age. Always read the leaflet before use.
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Derbac M is an aqueous (water-based) treatment containing malathion, an insecticide that acts on the nervous system of lice and scabies mites, killing them effectively. Unlike some treatments, Derbac M is odourless and non-greasy, making it easier to use.
For head lice, the liquid is applied to dry hair and scalp, ensuring full coverage, and left on for the recommended time before washing off. For scabies, it is applied to the entire body, including skin folds and areas that may not show symptoms.
All close contacts should usually be treated at the same time to prevent re-infestation. Itching may continue for a short period after successful treatment due to skin irritation or an allergic reaction to dead mites or lice.
What is Derbac M used for?
Derbac M is used to treat head lice and scabies.
Who can use Derbac M?
It is suitable for adults, children, and infants over 6 months of age.
How do I use it for head lice?
Apply to dry hair and scalp, ensuring all areas are covered. Leave on for the time stated in the leaflet, then rinse out. Use a fine-toothed comb to remove dead lice and eggs.
How do I use it for scabies?
Apply to clean, dry skin over the entire body, including between fingers and toes and under nails. Leave on for the recommended period before washing off.
Do I need to repeat the treatment?
A second application is often recommended after 7 days to ensure newly hatched lice or mites are killed. Follow the leaflet or healthcare professional advice.
Why am I still itching after treatment?
Itching can persist for 2–4 weeks after successful treatment and does not usually mean the infestation is still present.
Do other people need treatment?
Yes. Household members and close contacts should usually be treated at the same time, even if they do not have symptoms.
Are there any side effects?
Some people may experience mild skin irritation, stinging, or redness. These effects are usually temporary.
What should I do if treatment doesn’t work?
If live lice or symptoms persist after completing treatment correctly, seek advice from your GP or pharmacist.
