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"   What is it used for?  Head lice    How does it work? Full marks preparations contain phenothrin, which is used to treat head and pubic lice infestation. Phenothrin is an insecticide which kills lice by interfering with the insect\u2019s biological processes, causing death of the insect and the eggs.    Phenothrin solution should be applied to the hair and scalp and left for the recommended length of time, to ensure that all the eggs are treated. This is eventually washed out and the eggs removed from the scalp using a special fine-toothed nit comb. It is usually recommended that family members and close contacts be treated at the same time, if infected. In the event of early re-infestation, phenothrin preparations may be re-applied, provided 7 days have elapsed since the first application.    Full Marks is available in a water based (aqueous) solution - Full Marks Liquid or an alcohol based solution - Full Marks Lotion and Mousse. Aqueous solutions are generally preferred in individuals suffering from asthma or eczema and particularly in children, where alcoholic fumes are best avoided.     Warning!  Avoid contact with the eyes. This preparation is for external use only. This preparation may affect permed, coloured or bleached hair. If this preparation is accidentally swallowed, please seek medical advice immediately. It is advised that rubber gloves be worn by people giving repeated applications or treating large numbers of individuals e.g. clinic nurses. Full Marks Lotion and Mousse preparations contain inflammable alcohol. Therefore it is advised that individuals using these avoid naked flames, lighted objects and the use of artificial heat e.g. hairdryers. Do not use this preparation more than once in a week or for longer than three consecutive weeks.    Use with caution in  Asthma Eczema    Not to be used in  Infants under 6 months of age, except on medical advice  This medicine should not be used if you are allergic to one or any of its ingredients. Please inform your doctor or pharmacist if you have previously experienced such an allergy.   If you feel you have experienced an allergic reaction, stop using this medicine and inform your doctor or pharmacist immediately.   Pregnancy and Breastfeeding Certain medicines should not be used during pregnancy or breastfeeding. However, other medicines may be safely used in pregnancy or breastfeeding providing the benefits to the mother outweigh the risks to the unborn baby. Always inform your doctor if you are pregnant or planning a pregnancy, before using any medicine.  This medicine should be used with caution during pregnancy and breastfeeding. Seek medical advice from your doctor.    Side effects Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.  Stinging Skin irritation  The side effects listed above may not include all of the side effects reported by the drug&amp;#039;s manufacturer.   For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.   How can this medicine affect other medicines? There are no reported interactions of this preparation with any other medicine.   Other medicines containing the same active ingredient  Full Marks Liquid Full Marks Lotion   Last updated 08.07.2004 "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.netdoctor.co.uk/medicines/skin-and-hair/a7999/full-marks-mousse-discontinued-in-the-uk-february-2009/>