Fenasal - worming medication.

Structure and Composition fenasal

The drug release  Packing fenasal
   in the form of tablets of 250 mg. The active substance - niclosamide.

The package of 30 or 60 tablets.

Pharmacological action

Pharmacological action fenasal based on its ability to inhibit parasite resistance to enzymes in the gastrointestinal tract, which leads to their digestion with food entering the intestine.

According to the instructions fenasal causes paralysis of the neuromuscular apparatus of the worms, so that they can not be fixed on the walls of the intestines, eat and move. Enzymes from the body of worms killed are displayed along with the feces.

Indications fenasal

According to the instructions fenasal used as a sedative at:

  • teniarinhoze (infection of the naked or bovine chain);
  • hymenolepiasis (dwarf tsepnem infection);
  • diphyllobothriasis (broad tapeworm infection);
  • teniasis.


Fenasal has the following contraindications:

  • breast-feeding;
  • pregnancy;
  • Hypersensitivity to niclosamide.

Dosing and dosing regimen fenasal

The method of application and the dosage depends on the age of the patient and helminth detected in its intestine.

Generally, children under two years of drug prescribed only under strict indications, two tablets a day.

Children from two to five years, the dosage is 4 tablets per day.

Children from five to twelve years, appoint six tablets per day.

For children over the age of twelve adult dosage is 8-12 tablets per day.

When teniasis whole daily dosage of medication should be taken on an empty stomach in the morning, thoroughly chew and drinking plenty of fluids. Two hours after receiving fenasal be taken saline laxative. A month later, repeat the course, but without the laxative.

When hymenolepiasis daily dosage fenasal divided into four reception. It is necessary to strictly follow the time of taking the medicine and food. Meals must be consumed at eight o'clock in the morning at one o'clock and six o'clock in the evening. A medication taken at 10, 12, 14 and 16 hours. The duration of treatment is four days. The course is repeated after a four-day break.

When teniarinhoze and diphyllobothriasis daily dosage taken on an empty stomach in the morning. Allowed the drug after two or three hours after a light meal. Just before taking the drug need to drink two grams of baking soda dissolved in water. Two hours after the reception you can drink sweet tea with cookies or crackers. Throughout the day, after taking the drug in food should be consumed fatty foods is not easy, there are mashed potatoes, cereal, drink a lot of juice and jelly.

Side effects fenasal

In the opinion of fenasal  Antiparasitic agents fenasal
 well tolerated by patients. Possible side effects such as nausea, abdominal pain, dizziness, neurodermatitis, itching skin.


Overdose Fenasalom of instructions causes increased its side effects. It joins nausea vomiting, abdominal appear more severe pain, a rash appears on the skin of various sizes with a strong itch, the whole body felt weak.

If you experience the above symptoms should stop taking the drug and conduct symptomatic treatment.