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Menthol with squill tincture and liquorice liquid extract


Oral solution containing:-

Levomenthol 4.0mg/5ml
Squill tincture 0.6ml/5ml
Liquorice liquid extract 0.125ml/5ml

Drugs List

  • Therapeutic Indications


    For the symptomatic relief of productive (chesty) coughs and sore throats.



    One or two 5ml spoonfuls every four hours if required.


    As for adults.


    Children over 12 years:
    As for adults.

    Children 5-12 years:
    One 5ml spoonful every four hours if required.

    Children under 5 years:
    Not recommended.


    Cardiac dysfunction
    Children under 5 years

    Pregnancy and Lactation


    The Summary of Product Characteristics notes that there are no adverse reports when used in recommended doses.

    The use of all medication in pregnancy should be avoided whenever possible; particularly in the first trimester. Non-drug treatments should also be considered. When essential, a medication with the best safety record over time should be chosen, employing the lowest effective dose for the shortest possible time. Polypharmacy should be avoided. Teratogens taken in the pre-embryonic period, often quoted as lasting until 14-17 days post-conception, are believed to have an all-or-nothing effect. Where drugs have a short half-life, and when the date of conception is certain, this may allow women to be reassured where drug exposure has occurred within this time frame. Further advice may be available from the UK National Teratology Information Service (NTIS) and through ToxBase, available via password at ( ) or if this is unavailable at the backup site ( ).


    The Summary of Product Characteristics notes that there are no adverse reports when used in recommended doses.

    Neonates, infants born prematurely, those with low birth weight, those with an unstable gastrointestinal function or who have serious illnesses may require special consideration. For any infant, if a drug is prescribed to the nursing mother, it should be at the lowest practical dose and for the shortest time. When drug administration is unavoidable and breastfeeding is to continue, minimisation of exposure of the infant to the drug may sometimes be achieved by timing the maternal doses to just after a feeding episode. Infants exposed to drugs via breast milk should be monitored for unusual signs or symptoms. Interactions between the drug received by the infant from the mother's milk and medication prescribed for the infant should also be considered, for example, when the drug given to the infant may prevent metabolism of the drug received via breast milk.
    Specialist advice is available from the UK Drugs in Lactation Advisory Service at

    Side Effects

    Menthol may cause:
    Hypersensitivity reactions, including generalised urticaria and flushing
    Contact dermatitis

    Liquorice may cause:
    Sodium and water retention


    It is strongly recommended that the UK National Poisons Information Service be consulted on cases of suspected or actual overdose where there is doubt over the degree of risk or about appropriate management.

    The following number will direct the caller to the relevant local centre (0844) 892 0111

    Information may be obtained if you have access to ToxBase the primary clinical toxicology database of the National Poisons Information Service. This is available via password on the internet ( ) or if this is unavailable at the backup site ( ).

    Shelf Life and Storage

    Do not store above 25 degrees C

    Reference Sources

    SPC for Covonia Mentholated Cough Mixture and Mentholated Bronchial Mixture, revised 27/7/2004 (Thornton & Ross Ltd)

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