

Novocainamide has a membrane stabilizing effect.
Reduces the excitability and conductivity of the heart muscle, inhibits the formation of impulses in the foci of automatism, has a local anesthetic effect.
Applied with various violations of the heart rhythm:
Ventricular arrhythmias.
Extrasystole.
Paroxysmal ventricular tachycardia.
Supraventricular arrhythmias.
Paroxysmal atrial fibrillation or atrial flutter.
Novocainamide 0.25 g (250 mg).
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IM - 5–10 ml of 1–2% solution 3 times a week for a month, after which a 10-day break is taken.
For infiltration anesthesia, 0.25–0.5% solutions are used, for conductive and epidural - 2% solution; inside - 1/2 tsp (with pain).
From the central and peripheral nervous system: headache, dizziness, drowsiness, weakness, motor restlessness, loss of consciousness, convulsions, trismus, tremor, visual and auditory disturbances, nystagmus, horse tail syndrome (paralysis of the legs, paresthesia), paralysis of the respiratory muscles, impaired sensory and motor conduction, paralysis respiratory center often develops with subarachnoid anesthesia.
Carefully
Local anesthetics increase the inhibitory effect on the central nervous system of other drugs. Anticoagulants (ardeparin sodium, dalteparin sodium, danaparoid sodium, enoxaparin sodium, heparin, warfarin) increase the risk of bleeding.
During periods of pregnancy and breastfeeding, the drug should be used when the benefit to the mother exceeds the risk to the fetus or child.
During the period of treatment, care must be taken when driving vehicles and engaging in other potentially hazardous activities that require increased concentration and psychomotor speed.
Symptoms: pallor of the skin and mucous membranes, dizziness, nausea, vomiting, increased nervous irritability, cold sweat, tachycardia, decrease in blood pressure to almost collapse, tremor, convulsions, apnea, methemoglobinemia, respiratory depression, sudden cardiovascular, respiratory depression, sudden hemorrhage, apnea, methemoglobinemia, respiratory depression, sudden cardio-vascular
The effect on the central nervous system is manifested by a sense of fear, hallucinations, convulsions, motor agitation. In cases of overdose, the administration of the drug should be immediately stopped. When conducting local anesthesia, the site of injection can be tipped with adrenaline.
Treatment: general resuscitation measures that include inhalation of oxygen, if necessary, carrying out artificial ventilation of the lungs.
If convulsions continue for more than 15–20 sec, they are stopped by intravenous administration of thiopental (100–150 mg) or diazepam (5–20 mg).
In case of arterial hypotension and / or depression of the myocardium, ephedrine (15-30 mg) is injected intravenously, in severe cases, detoxification and symptomatic therapy.
In the event of intoxication after injection of novocaine into the muscles of the leg or arm, an urgent imposition of the harness is recommended to reduce the subsequent flow of the drug into the bloodstream.
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