List of local anesthetics

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Lidocaine Injection

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Local, or regional, anesthesia involves the injection or application of an anesthetic drug to a specific area of the body. This is in contrast to general anesthesia, which provides anesthesia to the entire body and brain. Local anesthetics are used to prevent patients from feeling pain during medical, surgical, or dental procedures.

Over-the-counter local anesthetics are also available to provide temporary relief from pain, irritation, and itching caused by various conditions such as cold sores, 1 xylocaine for local anesthesia, canker sores, sore throats, sunburn, insect bites, poison ivy, and minor cuts and scratches. People who feel strongly that they do not want to 1 xylocaine for local anesthesia awake and alert during certain procedures may not be good candidates for local or regional anesthesia.

However, other medications that have systemic effects may be 1 xylocaine for local anesthesia in addition to an anesthetic to relieve anxiety and help the patient relax. Local anesthetics should be used only for the conditions for which they are intended. For example, a topical anesthetic meant to relieve sunburn pain should not be used on cold sores. Anyone who has had an unusual reaction to any local anesthetic in the past should check with a doctor before using any type of local anesthetic again.

The doctor should also be told about any allergies to foods, dyes, preservatives, or other substances. Older people may be more sensitive to the effects of local anesthetics, especially lidocaine. Children may also be especially sensitive to some local anesthetics, and certain types should not be used at all on young children.

People caring for these groups need to be aware that they are at increased risk of more severe side effects. Packages should be followed carefully so that the recommended dosage is not exceeded. A doctor or pharmacist should be consulted about any concerns. Serious and possibly life-threatening side effects may occur when injectable or inhaled anesthetics are given to people who use street drugs.

Doctors and nurses should inform patients about the dangers of mixing anesthetics with cocaine, marijuana, amphetamines, barbituratesphencyclidine PCP, or angel dustheroin, or other street drugs. Some anesthetic drugs may interact with other medicines. When this happens, the effects of one or both of the drugs may change, or the risk of side effects may be greater.

In select cases, a urinalysis can help identify drug use. Patients who have a personal or family history of malignant hyperthermia after receiving a 1 xylocaine for local anesthesia anesthetic must also be cautious when receiving regional or local anesthetics. Malignant hyperthermia is a serious reaction that involves a fast or irregular heartbeat, high fever, breathing problems, and muscle spasms.

All patients should be asked if they are aware of such a risk in their family before receiving any kind of anesthetic. Although problems are rare, some side effects may occur when regional anesthetics are used during labor and delivery.

Anesthetics can prolong labor and increase the risk of requiring a cesarean section. Doctors should discuss the risks and benefits associated with epidural or spinal anesthesia with pregnant patients.

Regional anesthetics should be used only by an experienced anesthesiologist in a properly equipped environment with suitable resuscitative equipment. Although these anesthetics are generally safe when properly selected and administered, severe adverse reactions are still possible. If inadvertent subarachnoid injection occurs, the patient is likely to require resuscitation with oxygen and drug therapy. Careful positioning of the patient is essential to prevent leaking of cerebrospinal fluid.

Patients should not drive or operate machinery immediately following a procedure involving regional anesthesia because numbness or weakness may cause impairment. Doctors and nurses should also warn patients who have had local anesthesia, especially when combined with drugs to make patients sleep or to reduce pain, about operating any type of machinery.

Until the anesthetic wears off, patients should be careful not to inadvertently 1 xylocaine for local anesthesia the numbed area. If the anesthetic was used in the mouth, patients should not eat or chew gum until feeling returns. Unless advised by a doctor, topical anesthetics should not be used on or near any part of the body with large sores, broken or scraped skin, severe injury, or infection. They should also not be used on large areas of skin.

Some topical anesthetics contain alcohol and should not be used near an open flame or while smoking. Patients should be careful not to get topical anesthetics in the eyes, nose, or mouth. If a spray-type anesthetic is to be used on the face, it can be applied with a cotton swab or sterile gauze pad. After using a topical anesthetic on a child, the caregiver should make sure the child does not get the medicine in his or her mouth or eyes.

Topical anesthetics are intended for the temporary relief of pain and itching. They should not be used for more than a few days at a time. A doctor should be consulted if:. Dental anesthetics should not be used if certain kinds of infections are present. Package directions should be checked or a dentist, pharmacist, or doctor should be consulted if there is any uncertainty.

Dental anesthetics should be used only for temporary pain relief. Consult the dentist if problems such as toothache, mouth sores, or pain from dentures or sam-e and neurontin interaction continue or if signs of general illness such as fever, rash, or vomiting develop.

Patients should not eat or chew gum while the mouth is numb from a dental anesthetic to avoid accidentally biting the tongue 1 xylocaine for local anesthesia the inside of the mouth. In addition, nothing should be eaten or drunk for one hour after applying a dental anesthetic to the back of the mouth or throat, because the medicine may interfere with swallowing and may cause choking.

If normal feeling does not return to the mouth within a few hours after receiving a dental anesthetic or if it is difficult to open the mouth, the dentist should be consulted. When anesthetics are used in the eye, it is important not to rub or wipe the eye until the effect of the anesthetic has worn off and feeling has returned. Rubbing the eye while it is numb could cause injury. Medical procedures and situations that regularly make use of local or regional anesthesia include the following:.

Surgery involving the chest or abdomen is usually performed under general anesthesia. Laparoscopy and hernia repair, however, may be performed under local or regional anesthesia. Local and regional anesthesia have many advantages over general anesthesia. Most importantly, the risk of unusual and sometimes fatal reactions to general anesthesia is lessened.

More minor, 1 xylocaine for local anesthesia, but significant, risks of general anesthesia include longer recovery time and the psychological discomfort of losing consciousness. Regional anesthesia typically affects a larger area than local anesthesia.

As a result, regional anesthesia is typically used for more involved or complicated procedures. The duration of action of an anesthetic depends on the type and amount animal cancer and imaging anesthetic administered.

Regional anesthetics are injected. Local anesthesia involves the injection into the skin or application to the skin surface of an anesthetic directly where pain will occur. Local anesthesia can be divided into four groups: Local and regional anesthesia work by altering 1 xylocaine for local anesthesia flow of sodium molecules into nerve cells neurons through the cell membrane.

The exact mechanism is not understood, since the drug apparently does not bind to any receptor on the cell surface and does not seem to affect the release of chemicals that transmit nerve impulses neurotransmitters from the nerve cells. Experts believe, however, that when the sodium molecules do not get into the neurons, nerve impulses are not generated and pain impulses are not transmitted to the brain. Local and regional anesthetics may be administered with other drugs to enhance their action.

Examples include vasoconstrictors such as epinephrine adrenaline to decrease bleeding, or sodium bicarbonate to lower acidity, which may make a drug work faster.

In addition, medications may be administered to help a patient remain calm and more comfortable or to make them sleepy.

Injectable local anesthetics provide pain relief for some part of the body during surgery, dental procedures, or other medical procedures. Some commonly used injectable local anesthetics are lidocaine Xylocainebupivacaine Marcaineand mepivacaine Carbocaine.

Topical anesthetics such as benzocaine, lidocaine in smaller quantities or dosesdibucaine, and tetracaine relieve pain and itching by blocking the sensory nerve endings in the skin. They are ingredients in a variety of nonprescription products that are applied to the skin to relieve the discomfort of sunburn, insect bites or stings, poison ivy, and minor cuts, 1 xylocaine for local anesthesia, scratches, and burns.

These products are sold as creams, ointments, sprays, 1 xylocaine for local anesthesia, lotions, and gels.

Topical dental anesthetics are intended for pain relief in the mouth or throat. They may be used to relieve throat pain, teething pain, painful canker sores, toothaches, or discomfort from dentures, braces, or bridgework. Others may be purchased over the counter, including products such as Num-Zit, Orajel, Chloraseptic lozenges, and Xylocaine.

Ophthalmic anesthetics are designed for use in the eye, 1 xylocaine for local anesthesia. Lidocaine and tetracaine are used to numb the eye before certain eye examinations.

Eye doctors may also use these medicines before measuring eye pressure or removing stitches or foreign objects from the eye. These drugs are to be given only by a trained health care professional. The recommended dosage of a topical anesthetic depends on the type of local anesthetic and the purpose for which it is 1 xylocaine for local anesthesia used.

When using a nonprescription local anesthetic, 1 xylocaine for local anesthesia, patients are advised to follow the directions on the package. Questions concerning how to use a product should be referred to a doctor, dentist, or pharmacist.

Most patients can return home immediately after a local anesthetic, but some 1 xylocaine for local anesthesia might require limited observation.

The degree of aftercare needed depends on where the anesthetic was given, how much was given, and other individual circumstances. Patients who have had their eyes numbed should wear a patch after surgery or treatment until full feeling in the eye area has returned. If the throat was anesthetized, the patient cannot drink until the gag reflex returns.

If a major extremity was anesthetized, the patient may have to wait until function returns before being discharged.

Some local anesthetics can cause cardiac arrhythmias and therefore require monitoring for a time with an EKG. Patients who have had regional anesthesia or larger 1 xylocaine for local anesthesia of local anesthesia usually recover in a post-anesthesia care unit before being discharged. There, medical personnel watch for immediate postoperative problems. These patients need to be driven home after discharge.

Side effects of regional or local anesthetics vary depending on the type of anesthetic used and the way it is administered, 1 xylocaine for local anesthesia.

Any unusual symptoms following the use of an anesthetic requires the immediate attention of a doctor. Paralysis after a regional anesthetic such as an epidural, spinal, or ganglionic blockade is extremely rare, but can occur.

Paralysis reportedly occurs even less frequently than deaths due to general anesthesia. There is also a small risk of developing a severe headache called a spinal headache following a spinal or epidural block.


1 xylocaine for local anesthesia