Vasoconstrictive nose drops - this is the most common drop, are used in the cold. However, the drop is far from safe, as have a number of side effects and contraindications for use. In addition, long-term use of vasoconstrictive drops runny nose increases, and to treat it becomes very difficult.
Vasoconstrictor nose drops - alpha-adrenoceptor agonists
Vasoconstrictive nasal drops help out perfectly with a cold when the nose refuses to breathe. But not all so simple, these drops have contraindications, moreover, they can even overdose. All vasoconstrictor drops belong to the group of alpha-agonists, ie stimulate the secretion of adrenaline.
Epinephrine is used to relieve local swelling and stop bleeding, as it causes instant narrowing of blood vessels. He is the mediator (transmitter) with nervous excitement sympathetic nerve endings in the tissue cells of various organs (adrenergic receptors).
Adrenergic receptors are divided into alpha and beta-receptors, the effects of mediators that causes a particular effect on the various organs and tissues. For each of these receptors have been thought up his drugs that increase their activity, they are called alpha and beta - agonists.
The effectiveness of local vasoconstrictor activity have alpha-adrenergic agonists, which are produced in the form of nose drops. This is the best vasoconstrictor nose drops. These include naphazoline (Naphthyzinum, Sanorin) xylometazoline (galazolin, xylene, ksimelin, dlyanos, Grippostad Reno, rinostop), oxymetazoline (nazivin, nazivin Sensitive), phenylephrine (nazol-baby).
These drops have a rapid, intense and prolonged vasoconstrictor effect, relieve swelling, redness, amount of bleeding from the nose.
After instillation of reduced blood flow to the nasal cavity, stops swelling of the mucosa and mucus, the free space in the nasal cavity increases, nasal breathing is restored.
But at the end of the term of the vasoconstrictor drops, blood vessels dilate again, and stronger than before the application of drops. But the systematic use of droplets are getting used to the vasoconstrictor nose drops: vessels lose their ability to independently maintain the right tone and are enhanced, despite the application of drops. Restore the motor activity of blood vessels in such cases, unable to work and after a long time. Therefore vasoconstrictive drops is not recommended for more than 5-7 days.
Contraindications to the use of vasoconstrictor nose drops and possible side effects
Contraindications: Hypersensitivity to the drug, high blood pressure, marked atherosclerosis of blood vessels, increased thyroid function
The thyroid gland - is responsible for your hormones
, Chronic runny nose, severe eye disease and diabetes
Diabetes - threatening and incurable disease
In applying the vasoconstrictor drops (especially when they overdose) may cause the following side effects: nausea, palpitations, headache, increased blood pressure
Blood pressure - dangerous if his swing?
Redness, swelling and irritation of the nasal mucosa. If you apply a drop of more than a week, there may be atrophy (shrinking) of the nasal mucosa. In overdose possible decrease in body temperature, increased blood pressure.
Children vasoconstrictor nose drops
Almost all types of drops are produced vasoconstrictor and children - to a lesser concentration. It is 0, 05% Naphthyzinum
Naphthyzinum - carefully overdose
, 0, 05% galazolin, 0, 05% dlyanos, 0, 01% nazivin (for children up to one year), 0, 025% nazivin (for children to 6 years) 0, 05% nazivin (for children after 6 years ), 0, 125% nazol-baby.
All children vasoconstrictor nose drops have the same indications, contraindications and side effects, as well as drops for adults.
Widespread in the treatment of children received drops nazivin pharmaceutical company Merck (Germany). A distinctive feature of this drug is the production drops for children of different ages with different concentration. This allows you to choose nazivin, for a newborn child, and children of any other age.
The producers have warned that a long period of continuous use Nazivin to treat a child can lead to the development of medical rhinitis, which manifests itself in the form of tachyphylaxis (resistant vasodilatation against application Nazivin), atrophy (reduction in the volume shrinkage) and constant swelling of the mucous membranes of the nasal cavity .
Vasoconstrictive nasal drops can be used no more than 5 consecutive days and better prescription.