The report, published in the journal Archives of Disease in Childhood, said that malathion, which is used in products such as Derbac-M
and Prioderm, should now be used as the 'first line treatment for head louse infection in Wales'.
If moving lice are found, treat with an insecticidal lotion such as Derbac-M
, Quellada-M, Prioderm, Suleo-M.
According to the NHS Direct website, (www.nhsdirect.nhs.uk) head lice are resilient to three main chemicals - malathion (Derbac-M
and Prioderm), permethrin (Lyclear) and Phenothrin (Full Marks) - used to kill them.