Tavegil - it is one of the oldest anti-allergic drugs, which has both advantages and disadvantages. The disadvantage is its side effects, which result in a number of contraindications to the use of this drug.
The principle of operation Tavegilum
Action Tavegilum based on the fact that it does not allow the appearance of the hearth allergy histamine blocker being its H1 receptor. If an allergic reaction has started, the lack of new revenues of histamine leads to its rapid decay.
Histamine - a biologically active substance which participates in many biochemical reactions, including it is a major cause of allergy symptoms as itching, increased permeability of small blood vessels (capillaries), which leads to the appearance of tissue edema and exudation - liquid secretions (e.g. from the nose). Severe allergic reaction, such as anaphylactic shock accompanied by a sharp drop in blood pressure.
Tavegil available in dosage forms for oral administration (tablets and syrup) and as a solution for injection, it can be used in all types of allergic reactions and many allergic diseases.
But tavegil has a lot of side effects, so you can not use it all. Absolute contraindication for use Tavegilum is the increased sensitivity to the patient.
Contraindications for use Tavegilum the central nervous system
Tavegil (like all first-generation antihistamines) through the bloodstream easily enters the central nervous system (CNS). Therefore, they have traditionally cause such contraindications to the simultaneous use of them with drugs that have an active effect on the central nervous system. But an absolute contraindication for receiving Tavegilum a simultaneous reception of one of the types of antidepressants - MAO inhibitors.
In addition, it is not necessary to combine the reception Tavegilum with taking sleeping pills, sedatives or alcohol.
Contraindications for use Tavegilum from respiratory
All antihistamines help to reduce exudation, tavegil is no exception. In the treatment of diseases of the bronchi and lungs are always trying to translate a dry cough
Dry cough - whether to worry about it?
in the wet, that is, cause increased mucus exudation. Admission Tavegilum reduces exudation and makes more viscous mucus that is not conducive to recovery.
Especially dangerous is the use Tavegilum bronchial asthma, bronchospasm attacks in which the end of a viscous glassy mucus release. The application in this case Tavegilum may violate patency of the bronchi and provoking a new attack of bronchospasm.
Tavegil during pregnancy, breast-feeding and children
Tavegil in any dosage form is contraindicated for the treatment of children under one year. And as it stands with human milk, it can not accept and nursing mothers.
Harder with Tavegilum during pregnancy. Absolute contraindications for its reception is not, however, recommended to use it with great caution and only in those cases where the benefit to the mother's body is much greater than the potential risk to the fetus.
In some cases, tavegil should be taken with caution
Some diseases require the appointment Tavegilum with extreme caution. Such diseases include, for example, angle-closure glaucoma
Glaucoma - a perspective possible blindness
In which the intraocular pressure can rise very quickly on any extension of the pupil, for example, from taking drugs, including Tavegilum. At the same time patients suddenly appears a severe headache and blurred vision.
There are relative contraindications for receiving Tavegilum and from the gastrointestinal tract. This various disorders passage of stomach contents to the duodenum, such as stenosis (narrowing) of the opening in place of the transition.
Precautions should apply Tavegilum well as violations of urination, e.g., an increase in prostate cancer (if it squeezes bladder) or when there is patency of the bladder neck
Urinary bladder - structure and function
In diseases of the heart and blood vessels, including high blood pressure, and improve thyroid function
The thyroid gland - is responsible for your hormones
Which may be accompanied by changes of the cardiovascular system, tavegil also relative contraindications and appoint a doctor.
Tavegilum - is an effective anti-allergic drug, which, however, has both absolute and relative contraindications for use.