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idocaine is a local anesthetic used as numbing medication that is used to numb an area of your body to help reduce pain or discomfort caused by invasive medical procedures such as surgery, needle punctures, or insertion of a catheter or breathing tube. Lidocaine is sometimes used to treat irregular heart rhythms that may signal a possible heart attack. Lidocaine is also given in an epidural to reduce the discomfort of contractions during labor.
How does Lidocaine work?
How to use Lidocaine?
What is Lidocaine used for?
Lidocaine is used to reduce pain or discomfort caused by skin irritations such as sunburn, insect bites, poison ivy, poison oak, poison sumac, and minor cuts, scratches, or burns. Lidocaine is also used to treat rectal discomfort caused by hemorrhoids.
Lidocaine is an amide local anesthetic. After blood absorption or intravenous administration, Lidocaine has obvious excitatory and inhibitory biphasic effects on the central nervous system, and there is no precursor to excitement.
When the blood concentration is low, analgesia, sleepiness and pain threshold will increase. With the increasing dose of Lidocaine, the effect and toxicity are enhanced. There is anticonvulsant effect when the concentration of Lidocaine in blood is subtoxic. Convulsions can occur when the concentration of Lidocaine in blood exceeds 5mg per milliliter.
At low doses, Lidocaine can promote K+ efflux in cardiomyocytes, reducing myocardial autonomy so that Lidocaine has the effect of anti-ventricular arrhythmia.
At therapeutic doses, Lidocaine has no effect on the electrical activity of cardiomyocytes, atrioventricular conduction and myocardial contraction. When having further increase concentration of Lidocaine in blood can cause cardiac conduction velocity to slow, atrioventricular block, inhibiting myocardial contractility and decreasing cardiac output.
Use Lidocaine exactly as directed on the label, or as Lidocaine has been prescribed by your doctor. Do not apply Lidocaine in larger amounts than recommended.
Improper use of Lidocaine may result in death.
Lidocaine comes in many different forms such as gel, spray, cream, lotion, ointment, liquid, and skin patch.
Do not take Lidocaine by mouth. Lidocaine is for use only on the skin. If Lidocaine gets in your eyes, nose, mouth, rectum, or vagina, rinse with water.
Use the smallest amount of Lidocaine needed to numb the skin or relieve pain. Your body may absorb too much of Lidocaine if you use too much, if you apply Lidocaine over large skin areas, or if you apply heat, bandages, or plastic wrap to treated skin areas. Skin that is cut or irritated may also absorb more Lidocaine than healthy skin.
Do not apply Lidocaine to swollen skin areas or deep puncture wounds. Avoid using Lidocaine on skin that is raw or blistered, such as a severe burn or abrasion.
Do not cover treated skin unless your doctor has told you to. Lidocaine may be applied with your finger tips or a cotton swab.
Keep both used and unused Lidocaine out of the reach of children or pets. The amount of Lidocaine could be harmful to a child or pet who accidentally sucks on or swallows the patch. Seek emergency medical attention if this happens.
Lidocaine is suitable for acute ventricular arrhythmias caused by acute myocardial infarction, surgery, digitalis poisoning and cardiac catheterization, including ventricular premature beats, ventricular tachycardia and ventricular fibrillation. Lidocaine is also used in status epilepticus for those who are ineffective with other anticonvulsants and local or intraspinal anesthesia. Lidocaine can also relieve tinnitus.
Lidocaine can mainly be used for peripheral block anesthesia, infiltration anesthesia, surface anesthesia and epidural anesthesia. Lidocaine can also be used to treat premature ventricular contractions after acute myocardial infarction, digitalis poisoning, cardiac surgery, and ventricular arrhythmia caused by cardiac catheterization.
Here are some medicaments that can be made from Lidocaine:
Lidocaine gel can be used for those who need local anesthesia for examination and treatment through the urethra.
Lidocaine patch can be used to relief of post-herpetic neuralgia.
Lidocaine glue is often used as surface anesthesia, including mucosal anesthesia during thoracoscopy or abdominal surgery.
Lidocaine aerosol are used as local anesthesia of skin and mucous membranes, such as minor oral and nasal mucosal surgery, dental extraction surgery, abscess incision surgery.
Lidocaine mouthwash is to relieve pain caused by irritation or inflammation of the oral cavity and pharynx mucosa; surface anesthesia for bronchoscopy and esophagoscopy; upper gastrointestinal pain.
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