Lidocaine
Instructions for use:
- 1. Pharmacological action
- 2. Release form
- 3. Indications for use
- 4. Contraindications
- 5. Instructions for use
- 6. Side effects
Prices in online pharmacies:
from 15 rubles.
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Lidocaine is a local anesthetic.
pharmachologic effect
Lidocaine is used for conduction, infiltration, terminal anesthesia. The drug has a local anesthetic, antiarrhythmic effect.
As an anesthetic, the drug acts by inhibiting nerve conduction by blocking sodium channels in nerve fibers and endings. Lidocaine is significantly superior to procaine, its action is faster and longer lasting - up to 75 minutes (in combination with epinephrine - more than two hours). When applied topically, lidocaine dilates blood vessels, does not have a local irritating effect.
The antiarrhythmic effect of the drug is due to the ability to increase membrane permeability for potassium, block sodium channels, and stabilize cell membranes.
Lidocaine has no significant effect on contractility, myocardial conductivity (it affects only in large doses).
The level of absorption of lidocaine when applied topically depends on the dosage of the agent and the place of treatment (for example, lidocaine is absorbed better on the mucous membranes than on the skin).
After intramuscular injections, Lidocaine reaches its maximum concentration 5-15 minutes after administration.
Release form
Lidocaine spray, lidocaine in ampoules (with injection solution) are produced.
Indications for the use of Lidocaine
Injections Lidocaine 2% is used for local anesthesia in dentistry, surgery, ophthalmology, otolaryngology, for blockade of nerve plexuses, peripheral nerves in patients with pain.
Lidocaine in ampoules 10% is used for anesthesia in the form of mucosal applications in ENT practice, gynecology, pulmonology, gastroenterology, dentistry during operations, diagnostic manipulations. A 10% solution is also used as an antiarrhythmic agent.
Lidocaine spray is used in dentistry to remove milk teeth, tartar, fix dental crowns, and carry out other manipulations that require short-term anesthesia; in otolaryngology - for tonsillectomy, truncation of nasal polyps, septum, anesthesia of the process of piercing and washing the maxillary sinus.
Spray Lidocaine is effective in carrying out diagnostic procedures (introduction of a gastroduodenal probe, replacement of a tracheotomy tube) for anesthesia of the pharynx.
In gynecology, the spray is used to remove stitches, dissect the female perineum during childbirth, and perform operations on the cervix.
In dermatology, the spray is used to relieve mucous membranes and skin during minor surgical procedures.
Contraindications
According to the instructions, lidocaine is contraindicated in case of atrioventricular blockade of the 2.3th degree, cardiac insufficiency of the 2.3th degree, severe bradycardia, arterial hypotension, cardiogenic shock, complete transverse heart block, porphyria, myasthenia gravis, severe renal, hepatic pathologies, hypovolemia, glaucoma (for eye injections), hypersensitivity, lactation, pregnancy.
Spray Lidocaine is prescribed with caution to weakened, elderly patients, children, patients with epilepsy, in shock, with bradycardia, liver function pathology, conduction disorders, pregnancy. During lactation, the spray can only be used in recommended dosages.
Instructions for the use of Lidocaine
Before using Lidocaine, according to the instructions, an allergy test should be carried out to identify possible sensitivity to the drug. If swelling or redness occurs, you cannot use Lidocaine for anesthesia.
A solution of 2% Lidocaine (in ampoules) is intended for subcutaneous, intramuscular administration, conduction anesthesia, instillation into the conjunctival sac, mucous membranes.
The dosage of the drug is individual, but the instructions for Lidocaine indicate the following average dosages: for conductive anesthesia, use 100-200 mg of the drug (no more than 200 mg), for anesthesia of the nose, ears, fingers - 40-60 mg of the drug.
When prescribing Lidocaine injections, epinephrine is additionally prescribed to achieve the maximum therapeutic effect (if there are no contraindications).
In ophthalmology, up to six drops of the solution are dripped, instilling two drops every 30-60 seconds. Usually 4-6 drops. enough for one eye for anesthesia before operations, diagnostic procedures.
For terminal anesthesia, the maximum permissible dose of Lidocaine according to the instructions is 20 ml. The processing time is 15-30 minutes.
When carrying out anesthesia for children, the total dosage should not exceed 3 mg per kg of the child's weight.
A solution of 10% Lidocaine (in ampoules) is administered intramuscularly and used as applications. The permissible volume of Lidocaine for applications is 2 ml.
To stop an arrhythmic attack, an intramuscular injection of Lidocaine is given - 200-400 mg. If the attack has not been stopped, a second injection is given after three hours.
In case of arrhythmias, 1, 2% solution can be administered intravenously in a stream - 50-100 mg, after which, according to the instructions, Lidocaine is administered intramuscularly.
When using Lidocaine in ampoules of 2 and 10%, you should monitor the ECG, refrain from disinfecting the injection site with solutions with heavy metals in the composition.
When prescribing the drug in high doses, barbiturates are taken before the injection.
Spray Lidocaine is used only topically. Spray the drug from a short distance directly to the place requiring pain relief, avoiding contact with the eyes and respiratory tract.
When irrigating the oral cavity due to decreased sensitivity, care must be taken not to cut the tongue with teeth.
In dentistry, dermatology, 1-3 doses of 10% Lidocaine are used; in otolaryngology, craniofacial surgery - 1-4 doses of 10% Lidocaine; for endoscopic examination - 2-3 doses of 10% solution; in gynecology - 4-5 doses (while in obstetric practice it is allowed to use up to 20 doses of a 10% solution).
When treating large areas, you can use a tampon sprayed with Lidocaine from a spray can.
Similarly, it is recommended to use a spray when carrying out anesthesia for children (the permissible "child" dose is 3 mg per kg of body weight).
Side effects
After the drug, weakness, headache, nystagmus, fatigue, euphoria, photophobia, hearing impairment, numbness of the tongue, lips, drowsiness, nightmares, diplopia (double vision), disturbances in the rhythm and conduction of the heart, transverse heart block, low blood pressure, chest pain, paresthesia, paralysis of the respiratory muscles, impaired sensitivity, convulsions, tremors.
Lidocaine in large doses can lead to heart block, collapse, cardiac arrest.
Also, the drug can cause shortness of breath, apnea, allergic rhinitis, conjunctivitis, dermatitis, dyspnea, urticaria, anaphylactic shock, nausea, vomiting, a decrease in body temperature, a feeling of fever, chills, numbness of the extremities, soreness in the place where the injections of Lidocaine were injected.
Spray Lidocaine can provoke: burning sensation, allergic manifestations, decreased blood pressure, heart attack, depression, drowsiness, anxiety, loss of consciousness, spasms, paralysis of the respiratory tract, irritability
Lidocaine: prices in online pharmacies
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Drug name Price Pharmacy |
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Lidocaine (eye drops) 2% eye drops 5 ml 1 pc. RUB 15 Buy |
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Lidocaine 20 mg / ml solution for injection 2 ml 10 pcs. RUB 19 Buy |
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Lidocaine 2% solution for injection 2 ml 10 pcs. RUB 21 Buy |
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Lidocaine 20 mg / ml solution for injection 2 ml 10 pcs. RUB 24 Buy |
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Lidocaine (eye drops) 2% eye drops 1.5 ml 5 pcs. RUB 24 Buy |
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Lidocaine 20 mg / ml solution for injection 2 ml 10 pcs. RUB 26 Buy |
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Lidocaine 20 mg / ml solution for injection 2 ml 10 pcs. RUB 27 Buy |
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Lidocaine 20 mg / ml solution for injection 2 ml 10 pcs. RUB 27 Buy |
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Lidocaine (eye drops) 2% eye drops 1.3 ml 5 pcs. RUB 27 Buy |
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Lidocaine 20 mg / ml solution for injection 2 ml 10 pcs. 28 RUB Buy |
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Lidocaine 20 mg / ml solution for injection 2 ml 10 pcs. RUB 30 Buy |
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Lidocaine 20 mg / ml solution for injection 2 ml 10 pcs. 32 RUB Buy |
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Lidocaine solution for injection 2% 2ml 10 pcs. Organic 35 RUB Buy |
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Lidocaine (spray) 10% spray for local and external use 38 g 1 pc. 132 RUB Buy |
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Lidocaine (spray) 4.6 mg / dose 650 doses spray for topical use, dosed 38 g 1 pc. 172 r Buy |
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Lidocaine spray for topical application 10% 650 doses 38g 228 r Buy |
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Lidocaine Asept (spray) spray for topical application 50 ml 1 pc. 247 r Buy |
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Lidocaine 4.6 mg / dose spray for local and external use 38 g 1 pc. 247 r Buy |
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Lidocaine (spray) 4.6 mg / dose 650 doses spray for topical use, dosed 38 g 1 pc. RUB 314 Buy |
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Reviews Lidocaine (spray) RUB 314 Buy |
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Lidocaine spray for local. approx. 10% 650 doses 38g RUB 360 Buy |
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Information about the drug is generalized, provided for informational purposes only and does not replace the official instructions. Self-medication is hazardous to health!
