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Medicine indicated in the treatment of rectal constipation (constipation).

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Microlax is a non-prescription drug indicated for the symptomatic treatment of rectal or recto-sigmoid constipation, encopresis, constipation during pregnancy, constipation associated with childbirth and surgery (pre and postoperative use); Preparation of the rectum and sigmoid for endoscopic examinations.

Active substance: Sodium Citrate + Sodium Lauryl Sulfoacetate.

Dosage and method of administration:

Adults and children over 3 years of age: Administer the contents of one tube per day. In marked constipation, it may be necessary to apply the contents of two tubes. Children up to 3 years: In most cases, one tube of MICROLAX at 270 mg/3 ml + 27 mg/3 ml is sufficient. Remove cannula cap or break cannula seal. Slightly compress the tube until a drop appears at the end of the cannula. Introduce the cannula into the rectum. Completely compress the tube. Remove the cannula, keeping the tube compressed.


Hypersensitivity to the active substance or to any of the excipients.

If in doubt or if symptoms persist, consult your doctor or pharmacist.

In accordance with current legislation, non-prescription medicines in Portugal can only be delivered to the municipalities of Maia, Gondomar, Matosinhos, Porto, Santo Tirso, Trofa, Valongo and Vila do Conde. This limitation does not apply to shipments to other Member States of the European Union.