The drug "Betahistin" refers to a group of agents that improve the microcirculation of the capillaries of the inner ear and their permeability. The medication is a synthetic analogue of histamine. When it is taken, the restoration of vestibular function is accelerated, the generation of action potentials of neurons of the medial and lateral nuclei is reduced. The intensity of activity depends on the adopted dose of Betagistin, the indications for the use of which we will consider. The medicine is usually prescribed for the treatment of common vestibular apparatus disorders. After oral administration, an almost complete and rather rapid absorption of the drug from the gastrointestinal tract is observed. The drug is metabolized, resulting in the formation of an inactive product - 2-pyridylacetic acid.
Medication "Betahistin." Indications for use
The medicine is recommended for Meniere's syndrome to eliminate the symptoms that accompany it. In particular, this remedy is prescribed to patients with dizziness, complicated by vomiting or nausea, tinnitus, as well as with hearing loss. The medication is effective in symptomatic treatment of vertigo (vestibular dizziness).
Dosage regimen
When prescribing Betagistin (the indications for use are described above), the intensity of the symptoms is the main criteria in choosing a dosage. The medication is recommended with meals, inside. Tablets "Betagistin" at 8 mg take 1-2 pcs. 3 r / d, 16 mg each - 0.5-1 pcs. 3 r / d, 24 mg each - 1 pc. 2 p / d.
Side effects
During therapy, dyspeptic symptoms, nausea, bloating are likely. Digestive disorders, as a rule, are eliminated when taking the medicine with food or when reducing the dosage. In some cases, allergic hypersensitivity reactions are noted. In particular, itching, irritation on the skin, rashes, and hives appear. Anaphylactic shock, angioedema also relate to complications that may occur due to therapy with Betagistin. Indications for use in this regard are not the main information that should be considered when choosing a treatment regimen. Of great importance in therapy is the patient's tolerance to the drug.
Contraindications
No medicine is prescribed for patients with hypersensitivity. The medication is not recommended for children under 18 years of age. The feasibility of its use during pregnancy or during lactation is established by a specialist. For patients with gastric ulcer, bronchial asthma, pheochromocytoma, dose adjustment may be required.
additional information
In practice, several cases of overdose are described. When taking 640 mg, mild or moderate nausea, pain in the stomach, and drowsiness are likely. Higher doses provoke cardiac and pulmonary complications, convulsions. As a treatment, symptomatic therapy is recommended. The drug does not affect the ability to concentrate and the speed of psychomotor type reactions. When prescribing a medicine, the patient should inform the doctor about all the medicines he receives.