Why is Dulcolax not working

Dulcolax® - suppositories

Prescription required:No
Active ingredient:Bisacodyl
Marketing authorization holderSANOFI-AVENTIS GMBH VIENNA

How does the remedy work?

Dulcolax suppositories are a laxative. Through the contact of the active ingredient bisacodyl with the mucous membrane of the large intestine, they stimulate your bowel movements. When used correctly, Dulcolax suppositories have no effect in the stomach or small intestine. Therefore, they do not alter digestion or the absorption of calories and nutrients in the small intestine.

What Dulcolax contains:

  • The active ingredient is: 10 mg bisacodyl. 1 suppository contains 10 mg bisacodyl.
  • The other ingredient is: hard fat

In which areas of application is the product used?

Dulcolax suppositories are used

  • for the short-term relief of constipation and constipation;
  • to prepare for operations and examinations;
  • for diseases that require easier defecation.

how do you apply the product?

Always use this medicine exactly as described in this leaflet or as your doctor has told you. Check with your doctor or pharmacist if you are not sure.

When constipated


1 suppository (10 mg) for immediate emptying

The maximum recommended daily dose should not be exceeded.

Use in children and adolescents

Children and adolescents over 10 years:

1 suppository (10 mg) for immediate emptying

The recommended maximum daily dose should not be exceeded.

Dulcolax suppositories are not suitable for children under 10 years of age because the recommended dose of 5 mg bisacodyl for children between 2 and 10 years of age is exceeded with the use of a suppository.

type of application

Rectal application.

Dulcolax suppositories are used once a day if necessary. Suppositories usually work within 20 minutes (between 10 and 30 minutes).

Take the suppositories out of their shell and insert them into the rectum with the pointed end first.

Duration of application

Long-term use should be avoided. The need for continued use must be checked after one week and the required duration of use determined in individual cases.

To prepare for operations and examinations

A complete emptying of the bowels must always be carried out under medical supervision. The attending physician determines the required laxatives in each individual case, taking into account the special circumstances.

To ensure complete emptying of the bowel, you should use both Dulcolax coated tablets and Dulcolax suppositories as instructed by your doctor.

Adults, adolescents
and children over 10 years:

On the day before the examination, 2 Dulcolax coated tablets (10 mg) in the morning and in the evening and 1 Dulcolax suppository (10 mg) on ​​the morning of the examination

Applications in diseases that require easier bowel evacuation

For diseases that require easier bowel evacuation, the dosage is initially the same as for short-term use for the treatment of constipation (1 Dulcolax suppository). Your doctor will continuously adjust the dosage to meet the specific needs of your disease.

If you use more Dulcolax than you should

If you accidentally use more than the prescribed dose, please contact a doctor. He will decide on any measures that may be necessary.

Acute overdose can lead to increased watery stool, stomach cramps and a loss of fluids, potassium and other electrolytes.

Persistent overdose of laxatives can generally lead to persistent diarrhea, abdominal pain, potassium deficiency, excessive production of the adrenal cortex hormone aldosterone, and kidney stones. Damage to the kidneys, disorders of the acid-base balance with hypoacidification of the blood and muscle weakness as a result of a potassium deficiency have also been described as a result of persistent abuse of laxatives.

Notice to healthcare professionals

Information on overdose can be found at the end of the leaflet.

If you forget to use Dulcolax

Continue to use it at the next time. Do not use double the amount to make up for a forgotten application.

If you stop using Dulcolax

Dulcolax suppositories are only used when necessary and should be discontinued after the symptoms have subsided.

If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

When should the product not be used?

Do not use Dulcolax

  • if you are allergic to bisacodyl or any of the other ingredients of this medicine (listed in section 6);
  • if you have intestinal obstruction or gastrointestinal perturbation problems;
  • if you suffer from acute inflammatory diseases of the gastrointestinal tract;
  • if you suffer from chronic inflammatory diseases of the gastrointestinal tract with acute attacks (Crohn's disease or ulcerative colitis);
  • if you have acute abdominal pain that requires surgery, such as: B. acute appendicitis;
  • if you have severe abdominal pain along with nausea and vomiting - these may indicate a serious illness;
  • if you have severe water loss from your body and, as a result, your electrolyte balance is disrupted.

In addition, Dulcolax suppositories must not be used in children under 10 years of age.

Can the product be used by pregnant and breastfeeding women?

Ask your doctor or pharmacist for advice before using this medicine if you are pregnant or breast-feeding, or if you suspect that you may be pregnant, or are planning to become pregnant.

Like all medicines, Dulcolax suppositories should be avoided during pregnancy and only used on the advice of a doctor.

Clinical studies show that bisacodyl and its metabolic products do not pass into the breast milk of healthy breastfeeding women. Therefore, Dulcolax can be used during breast-feeding.


Which side effects can occur?

Like all medicines, this medicine can have side effects, although not everybody gets them.

The most common side effects during treatment were abdominal discomfort and diarrhea.

The following side effects have been seen in studies with Dulcolax:

Common (affects 1 to 10 users in 100):

  • Abdominal cramps and pain, diarrhea, nausea

Uncommon (affects 1 to 10 users in 1,000):

  • dizziness
  • Abdominal discomfort, vomiting, blood in the stool, discomfort in the rectum and anus

Rare (affects 1 to 10 users in 10,000):

  • Hypersensitivity reactions, reactions that can be associated with failure of the cardiovascular system (anaphylactic reactions), swelling of the skin and mucous membranes that can also cause shortness of breath (angioedema)
  • Dehydration of the body
  • Fainting
  • Inflammation of the colon

Very rare (affects less than 1 user in 10,000):

  • Pain and local irritation, especially in patients with tears in the anus (anal fissures) and inflammation of the rectum (ulcerative proctitis)

The occurrence of dizziness and fainting after the use of Bisacodyl appears to be accompanied by a reaction e.g. B. for cramps in the abdomen and the pressure increase during defecation (see section “Warnings and precautions”).

Diarrhea-like, watery stools can lead to a loss of fluids, electrolytes and, above all, potassium, as well as causing tiredness and muscle weakness.

Reporting of side effects

If you get any side effects, talk to your doctor or pharmacist. This also applies to side effects not listed in this leaflet.

You can also report side effects directly via the national reporting system. By reporting side effects you can help provide more information on the safety of this medicine.

Federal Office for Safety in Health Care
Traisengasse 5
Fax: + 43 (0) 50 555 36207
Website: http://www.basg.gv.at/

Interactions are known with the following substances:

Tell your doctor or pharmacist if you are taking / using, have recently taken / used or may take / use any other medicines.

If you take water tablets (diuretics) or medicines made from adrenocorticosteroids (adrenocorticosteroids) with Dulcolax suppositories, your body may lose more potassium. A potassium deficiency such as this may increase the effects and side effects of drugs used to treat heart failure (so-called cardiac glycosides) if used at the same time.

Warning notices

Talk to your doctor or pharmacist before using Dulcolax suppositories:

  • if you need laxatives every day or for a longer period of time - in this case you must have the cause of the constipation clarified by a doctor, as prolonged excessive use of laxatives leads to disturbances of the fluid and electrolyte balance, e.g. potassium deficiency and consequently to renewed constipation ( Rebound phenomenon) (see also "Using Dulcolax together with other medicinal products");
  • if you experience thirst or decreased urination - these may be signs of dehydration due to fluid loss, which can be harmful to the elderly and patients with impaired kidney function. You must stop taking Dulcolax suppositories and only restart them under the supervision of your doctor.
  • if you have tears in the anus (anal fissures) and inflammation of the rectum (ulcerative proctitis) - pain and irritation in this area may occur.

Blood may appear in your stool, usually mildly and temporarily.

Regular use or the use of higher than the recommended doses of Dulcolax - suppositories in bulimia (eating-vomiting addiction) is an abuse that can lead to serious side effects and must absolutely be avoided. With bulimia, psychotherapeutic measures are required.

Cases of dizziness and / or fainting have been reported after using Dulcolax suppositories. These incidents may be due to the consequences of constipation (increase in pressure during bowel movements, pain). They are not necessarily due to the use of Dulcolax suppositories.

Driving and using machines

No studies on the effects on the ability to drive and use machines have been performed.

Dizziness and / or fainting can result in e.g. For example, abdominal cramps and the increase in pressure during defecation occur (see section “Warnings and precautions”). If such side effects occur, you should refrain from activities that require increased attention (e.g. driving, operating machines).

Note: The list of drugs does not in any way represent a recommendation, sales promotion or advertising of the individual drugs in any way.

The information is by no means conclusive and is not a substitute for medical or other specialist advice.

In particular with regard to side effects, contraindications and other information, the attending physician or pharmacist should be consulted.

Status of information: July 2017