Iberogast® is a plant-based drug to support gastrointestinal diseases.
It is used for the therapy of motility-related and functional gastrointestinal diseases.
This includes irritable stomach syndrome and irritable bowel syndrome is one of the gastrointestinal diseases that can be treated with Iberogast®. It also has a supportive effect on symptoms with irritation of the gastric mucosa (gastritis).
Symptoms of the diseases mentioned are complaints such as:

  • Stomach discomfort
  • Bloating
  • Flatulence
  • Gastrointestinal cramps
  • nausea
  • heartburn


The drug Iberogast® should not be used if the patient is hypersensitive to one of the ingredients or if the patient is a child under 3 years of age, as insufficient studies are available.

Instructions for use

Becomes Iberogast® not otherwise prescribed by the doctor, that's how it is three times a day to be taken with some liquid before or during meals. Before taking must Medicinal vial shaken so that the ingredients are evenly distributed.

There is no limit to the duration of treatment, only the Duration the taking is after Art, Heaviness and course of the illness oriented.

Active ingredient and effect

The active ingredient of the commercial product Iberogast® contains an active ingredient combination. This includes angelica root, chamomile flowers, caraway seeds, milk thistle fruits, lemon balm leaves, peppermint leaves, candytuft (Iberis amara), Celandine and licorice root. The combination of active ingredients is used to treat functional diseases of the gastrointestinal tract. In these cases, the intestine is often hypersensitive to stimuli. This is where the effect of Iberogast® comes into play. The combination of active ingredients inhibits the nerve reaction to mechanical and chemical stimuli. The chemical stimuli include an increased release of messenger substances, such as so-called serotonin and bradykinin. Both contribute to the stimulus response of the intestine and both are dampened by the phytopharmaceutical. Iberogast® also causes the intestinal muscles to relax. This effect is concentration-dependent. Iberogast® also activates chloride channels and activates the so-called enteral nervous system. This leads to increased secretion in the intestine. The combination of active ingredients has an antispasmodic effect on the stomach muscles, supports the natural stomach movement, calms the stomach nerves and reduces gastric acid production. In addition, an anti-inflammatory effect could be demonstrated. Iberogast® catches so-called free radicals and thus has an antioxidant effect. Furthermore, the herbal medicine modulates components of the body's own defense system, the so-called cytokines.


  • Adults and also Young people aged 13 and over to take 3 times Every day 20 drops Iberogast®.
  • children take from six to twelve years 3 times Every day 15 drops Iberogast®.
  • children aged three to five years to have Every day only a maximum of three times a day 10 drops To take Iberogast®, as there is no experience with the treatment of children with Iberogast.

Iberogast overdose

If too large a quantity of Iberogast® has been taken, the normal dosage should then be taken as instructed in the package insert.

So far there are no indications of the negative effects of an overdose, but the alcohol content of Iberogast® should be considered as a negative influencing factor.

Skipped intake

Became a Ingestion from Iberogast® to forget, so should still continue as in the Dosage instructions proceed and no unauthorized Doubling the dose next time.

Side effects

Side effects are also possible with Iberogast®, as with all drugs, but do not necessarily occur in all patients.

In very rare cases, the following side effects can occur when taking Iberogast®:

  • skin rash
  • itching
  • Difficulty breathing

If one of these side effects occurs, the drug Iberogast® should be discontinued immediately and the doctor should be consulted, who will then decide on further necessary measures.

In general, Iberogast® is a very safe drug with extremely rare side effects and is therefore highly recommended before stronger drugs are used.

There have been isolated reports of liver damage or liver transplantation after taking Iberogast®.

Side effect diarrhea

Iberogast® usually has a stomach-calming effect. But because it contains 31% alcohol, intolerance and diarrhea can occur in some cases. Certain ingredients can also have a laxative effect in individual cases. In addition, the concentration-dependent mechanism of action on the intestinal muscles and the activation of the chloride channels at high concentrations or a sensitive reaction to Iberogast® can contribute to diarrhea. If you are unsure, it is advisable to consult your doctor or pharmacist.

Important application information

If the symptoms do not improve with the use of Iberogast® and there is no alleviation of the symptoms even after a week, a doctor must be consulted urgently in order to rule out organic causes for the symptoms.
In principle, children under 6 years of age should not treat abdominal pain on their own, but always consult a doctor so that no serious causes are overlooked.

Iberogast during pregnancy

Since Iberogast® contains alcohol, it should only be taken with caution during pregnancy. We recommend that you consult your doctor beforehand.

Read more on the topic: Alcohol during pregnancy

Bayer® introduced a restriction in the package insert on September 12, 2018 and advises against taking it for pregnant and breastfeeding women.

What are the side effects of the pill?

There is usually no connection between Iberogast® and reduced contraceptive protection due to the birth control pill. It is different if the combination of active ingredients is not tolerated by the Iberogast®. If this leads to diarrhea and / or vomiting, the contraceptive pill is no longer available.

Iberogast for heartburn

Most of the time, heartburn is harmless. However, it is not always possible to avoid the triggers for what is known as heartburn.
There are various drugs that bind stomach acid, but do not address the cause. The mechanism of Iberogast® is different. With its herbal combination of active ingredients, Iberogast® influences several factors. After all, these not only lead to the discomfort in the gastrointestinal area being alleviated. To a certain extent, it can also combat possible causes. If the heartburn persists regularly or for a long period of time, it is advisable to consult a doctor.

Also read our topic: Heartburn - What Can You Do About It?