Lidocaine and its analgesic effect

Many people are afraid of toothache and its treatment. The pain itself leads to a lot of acute and unpleasant sensations. The treatment procedure is even more difficult. Additional manipulations in the oral cavity greatly increase the existing painful condition. In order to facilitate the finding of the patient in the dentist’s chair, the doctors use anesthesia for topical pain relief. Lidocaine over the counter in dentistry is used especially often.


What does Lidocaine do?


Lidocaine is a local remedy. An antiarrhythmic effect is added to the effect of anesthesia In comparison with other pain relievers, a small percentage of allergic reactions are recorded. The effectiveness of medicament is 70-95%. It is used together with vasoconstrictors in the form of a solution of 1-2% and acts quickly enough. The maximum concentration of the drug is reached within 5-10 minutes. Lidocaine mechanism of action blocks nerve conduction due to damage to nerve endings and fibers. The anesthetic preparation dilates the blood vessels well and does not irritate tissues. As a result, the product is smoothly and evenly distributed throughout the body’s vessels. How long does Lidocaine stay in your system? The level of absorption in topical application depends on the dosage of the agent and the site of treatment (for example, preparation on mucous membranes is absorbed better than on the skin).


Forms of Lidocaine


It is possible to buy Lidocaine produced in following forms:

-in ampoules;

-in the form of a gel;

-in the form of a spray.


Necessity of application

What is Lidocaine used for? Remedy is applied when:


-removing sick teeth;


-very painful teething;

-the formation and dissection of cysts;

-removing benign formations;

-applying sutures in the oral cavity;

-installing prosthesis on the teeth;

-removing the interdental nipples;

-there are consequences in the form of irritation from the installation of dentures;

-the treatment of mucosal trauma;

-excising abscesses;

-fixing crowns;

-removing the bone fragments formed after the impact.


How to apply Lidocaine and interaction with other medicinal products


The prescribed dose depends on the situation and severity of the disease. What is Lidocaine? Medicament is released in different percentages. Therefore, the used dosage is an individual case. Influencing factors are age, weight, clinical illness and other factors. In the treatment of acute pain after dental operations people usually use Arcoxia medicament only in the acute period not more than 3 days. If you combine it with other types of medicines, the risk of allergic reactions increases dramatically. Also, joint application leads to an increase in the metabolic process in the liver. The concentration of remedy in the plasma is also increased. As a result the effectiveness of preparation somewhat is decreased. There is a certain list of drugs that should not be combined with it. Joint use causes brightly expressed disorders of the central nervous system: hallucinations appear, excitation increases sharply, ventricular arrhythmia appears, breathing becomes oppressed, neuromuscular blockade occurs. To prevent terrible consequences, it is necessary to tell the doctor about all the medications that you take.


Do not use Lidocaine and unpleasant adverse reactions


Preparation is not recommended if:

-there is an allergy;

-the patient has profuse bleeding;

-there are violations in the proper functioning of the liver.

-there is weakness of the sinus node;

-the place of application of the preparation is infected;

-there is a myasthenia gravis;

-cardiogenic shock on face;

-the bradycardia is expressed;

-there is an antrioventricular intracardiac blockade and other severe heart diseases;

-low blood pressure.

Analgesic preparations including Lidocaine, Emla, Feldene, Indometacin, Arcoxia pain reliever should also be used with caution in elderly patients. Lidocaine can cause a number of undesirable side effects:



-general weakness;

-a sharp decrease in pressure;

-disturbance of the functioning of the cardiovascular system;

-gag reflex and vomiting;

-adverse allergic reactions.


Pregnancy and children


Lidocaine is not used in childhood and during pregnancy of the patient. It is allowed to use a single form, spray. It has an effect on the local level and can somewhat anesthetize dental manipulation. During lactation, preparations based on lidocaine are also not recommended. Children teeth should be gelled. Use it carefully. Do not allow a child to swallow even a small amount of remedy.


Signs of an overdose


In case of Lidocaine overdose, the symptoms of oppression of the activity of the central nervous and cardiovascular systems, increased sweating, pallor of the skin, chills, drowsiness or, conversely, psychomotor agitation, a state of agitation, numbness of the tongue, dizziness, headache, painful sensitivity to sounds and noise in the ears, visual impairment (inability to focus the eyes, double vision), tremor, muscle twitching, sometimes turning into generalized convulsive seizures lasting from a few seconds to several minutes, episodes of spontaneous arrest of breathing, lowering blood pressure, reducing heart rate, violation of the heart rate can be noted in humans.