Terfenadine

Terfenadine is an antihistamine used to treat hay fever and relieve symptoms such as sneezing, itching and watery eyes. It is prescribed for oral administration and has an antiallergic effect by blocking H1 histamine receptors.

Possible side effects of terfenadine include drowsiness, headaches and gastrointestinal dysfunction. These effects are usually not pronounced and disappear with continued use of the drug.

Terfenadine is marketed under the trade name Triludan and is used to relieve allergy symptoms in adults and children over 12 years of age. When taking terfenadine, use caution in patients with cardiac arrhythmias and avoid combination with certain other medications.



Terfenadine is an antihistamine that is used to treat hay fever. It blocks the effects of histamine in the body, which helps reduce symptoms such as sneezing, itching and tearfulness.

Terfenadine is usually taken orally as tablets or capsules. It may cause some side effects, such as drowsiness, headache, and gastrointestinal disturbances, but these effects usually go away when you stop taking the drug.

Trade names for terfenadine include triludan and terfenadine. Both drugs have similar side effects and can be used to treat hay fever in adults and children over 12 years of age.

It is important to note that you should consult your doctor before starting any medications.



Terfenadine is a drug from the group of antihistamines that acts mainly on the early and late phases of the reaction of allergic inflammation and the effects of histamine on smooth muscles. Used in the treatment of hay fever (hay fever).

The drug has a high therapeutic effect for allergic skin diseases in the form of dermatitis of various origins, eczema, urticaria, itching of various generations, hay fever, allergic reactions, chronic choriatitis. It is also used to shorten the duration and reduce the intensity of rhinitis (runny nose), urticaria during blood tests, including allergy tests.

Terfenadinine simultaneously has a central vasodilator effect, as well as a blocking effect on the sympathetic junction, and has an antispasmodic effect, exhibits the ability to relax the sinus of the heart, dilates the coronary arteries, and reduces ventricular contractility.

One tablet contains 60 mg of terfenadine hydrobromide, which is converted under the influence of the liver body into the active metabolite 3-hydroxyterafenadine. It is also necessary to take into account that the active component of the drug (terfenadine) is actively metabolized in the liver and intestines into the pharmacological agent itself.

The drug is used after meals with water. As a rule, the drug is used for daily use once a day, the daily dose can be reduced to 320 mg in patients with moderate severity. In particularly severe or difficult to tolerate cases, the dosage is adjusted by the attending physician in accordance with the patient’s symptomatic response.

Side effects include: a feeling of drowsiness, headache, depersonalization, confusion, dizziness, acute depression of the central nervous system, apathy, nausea, vomiting, diarrhea, the appearance of milk in the stool, apathy, taste disturbances, decreased psychomotor reactions, weakness, irregular frequency heart rate, rhinorrhea, dry mouth, abdominal pain, polyuria, irritability