Merbentyl Syrup

Dicyclomine Hydrochloride

Dicycloverine

Please read this leaflet carefully before you start to take your medicine. If you are not sure about anything or have any questions ask your doctor or pharmacist.

What is in your medicine?

The name of your medicine is Merbentyl Syrup. Each 5 ml spoonful contains 10 mg of the active ingredient dicyclomine hydrochloride. It also contains invert syrup, citric acid monohydrate, sodium benzoate (E211), raspberry flavouring, wild cherry bark flavour, blackcurrant essence, vanilla essence and demineralised water.

Each bottle contains 500 ml of syrup. The syrup is a colourless liquid with a raspberry flavour.

What you should know about Merbentyl Syrup

Dicyclomine hydrochloride, the active ingredient of Merbentyl Syrup, is one of a group of medicines called anticholinergic antispasmodics. It is used to relieve painful bowel cramps.

The product licence for Merbentyl Syrup is held by Marion Merrell Ltd, Broadwater Park, Denham, Uxbridge, Middlesex, UB9 5HP.

The manufacturer of Merbentyl Syrup is Fleet Laboratories, 94 Rickmansworth Road, Watford, Hertfordshire.

What is Merbentyl Syrup for?

Merbentyl is an anticholinergic antispasmodic agent. Antispasmodic agents relieve painful bowel cramp. The anticholinergic action helps to relax the muscles of the intestine and relieve the painful symptoms.

When should you not take Merbentyl Syrup?

Do NOT take Merbentyl Syrup if you know you are allergic to dicyclomine Hydrochloride.

Do NOT give Merbentyl Syrup to babies under 6 months old, as it may be dangerous for them.

Before taking your medicine

Tell your doctor or pharmacist if:

  • You are pregnant
  • You could be pregnant
  • You are breast feeding
  • You have glaucoma (an eye condition involving increased pressure within the eye and resulting in poor vision)
  • You have an enlarged prostate gland (this causes difficulty in passing urine)
  • You have a hiatus hernia (a condition with symptoms such as acid or food regurgitation and heartburn)
  • Taking your medicine

    The dose for adults and children over 12 years old is one to two 5 ml spoonfuls three times a day. Your doctor will tell you which dose to use.

    The dose for children aged 2 to 12 years old is one 5 ml spoonful three times a day.

    The above doses may be taken before or after meals.

    The dose for children aged 6 months to 2 years is half to one 5 ml spoonful three or four times a day. This should be given 15 minutes before a feed. Do not give more than four 5 ml spoonfuls in any one day.

    You must not give Merbentyl Syrup to children under 6 months old.

    If you accidentally take or give too much medicine you should tell your doctor at once or go to your nearest hospital casualty department.

    After taking your medicine

    Most people have no side-effects with Merbentyl Syrup but as with all medicines it may not suit everyone, and some people may feel dizzy or thirsty or have a dry mouth.

    Rarely, the following may occur:

    • drowsiness/tiredness
    • blurred vision
    • constipation - sickness or lack of appetite
    • headache
    • rash
    • difficulty passing urine

    If these cause problems or you notice any other unwanted effects not mentioned above, tell your doctor or pharmacist.

    Storing your medicine

    Keep your medicine in the dark brown bottle which it comes in. Do not store it in any other containers.

    Keep your medicine in a safe place where children cannot reach it. Your medicine could harm them.

    Date of preparation January 1996