Ketotifen: Administration, Side Effects, Precautions, Overdose and Storage

It is a drug used to decrease the frequency and levels of asthma conditions, but it is not as effective when the attacks remain active regularly.

Asthma is a very common or recurrent disease in society; in most cases is chronic and is extremely dangerous if not controlled because it affects the airways, which causes great difficulty breathing.

This condition usually inflames the air passages where it passes and oxygen resulting in a temporary narrowing or narrowing of the channels or ducts. The symptoms or characteristics of an asthma attack are:

  • Chest tightness.
  • Whistle from the throat passage when trying to breathe.
  • Difficulty or decrease of breathing.
  • In some cases, it can hinder speech.

Asthma can be controlled and allowed a quiet life. Still, if it is not treated or if the treatment is not followed as indicated by the specialist doctor, it may limit the performance of sports activities or exercises.


This medication can be taken twice a day or as recommended by the treating doctor. To obtain optimal results, the patient can not skip the daily doses, so it is recommended to maintain a routine in the schedule of the intake of the amount.

Ketotifen should not be crushed before taking it. Otherwise, it may decrease its effectiveness or lose part of the dosage.

If the affected person has nervous or chronic asthma, the doctor will likely increase the dose slowly while the organism adapts to the drug’s components. The desired results may occur after several weeks of treatment.


Side effects

Ketotifen does not usually generate severe side effects or threaten the life or health of the patient. However, it can cause:

  • Dizziness until the body adapts to the dosage.
  • Constant sleepiness or difficulty acquiring sleep.
  • Symptoms that resemble the common flu.

In case, after several weeks, the patient does not stop presenting these conditions, he should notify his specialist doctor because he may have to reduce the dose of the treatment.

On the other hand, if you regularly present the following conditions, you should stop treatment or contact your treating doctor quickly to investigate the causes before continuing to take Ketotifen:

  • Constant pain in the stomach.
  • Increase or decrease in weight sharply.
  • Skin rash
  • Acne.
  • Unusual bleeding can become a hemorrhage.
  • Chronic nervousness
  • Constant irritability


Ketotifen is an invasive medication in the body responsible for preventing or reducing asthma attacks; before starting treatment, the affected should tell his doctor if he has suffered from other diseases before asthma.

It is also essential to indicate what other medications have been used to combat this condition or if you have had allergies while dosing to prevent future altercations.

It is recommended to avoid consuming alcoholic beverages because they are not compatible with the drug and can cause the activation of side effects.

While the patient is starting treatment with Ketotifen should avoid driving or performing activities of high concentration because sometimes this medication can cause drowsiness, which represents a danger to the person under treatment because he could fall asleep without realizing it.

In the case of pregnant women, they should ingest this drug only if it is strictly necessary because it can produce adverse effects on the unborn baby.

In the same way, it can not be ingested by women during breastfeeding because the medicine can pass into breast milk and have counterproductive or risky effects on the baby.


In general, this medication can rarely produce an overdose when consumed in treatment and under the supervision of a specialist; however, the patient should immediately contact his treating doctor if he presents:

  • Confusion or disorientation.
  • Difficulty in conveying or thinking clearly about an idea.
  • Cold sweating or chills.
  • Babbling or difficulty speaking.
  • Cardiac arrhythmia.
  • Fainting or loss of consciousness.
  • Convulsions


This medicine should be kept a room temperature, it is not necessary to refrigerate it, and it should be in places of little or no sunlight and humidity.

It is essential to keep out of the reach of small children or pets because it can harm them to consume without apparent prescription.