Parenteral-local anesthetics are given by injection to cause loss of feeling before and during surgery, dental procedures (including dental surgery), or labor and delivery. These medicines do not cause loss of consciousness.
These medicines are given only by or under the immediate supervision of a medical doctor or dentist, or by a specially trained nurse, in the doctor's office or in a hospital.
Tell your doctor if you have ever had any unusual or allergic reaction to medicines in this group or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Children may be especially sensitive to the effects of parenteral-local anesthetics. This may increase the chance of side effects.
Elderly people are especially sensitive to the effects of parenteral-local anesthetics. This may increase the chance of side effects.
Local anesthetics have not been reported to cause birth defects in humans.
Use of a local anesthetic during labor and delivery may rarely cause unwanted effects. These medicines may increase the length of labor by making it more difficult for the mother to bear down (push). They may also cause unwanted effects in the fetus or newborn baby, especially if certain medical problems are present at the time of delivery. Before receiving a local anesthetic for labor and delivery, you should discuss with your doctor the good that this medicine will do as well as the risks of receiving it.
It is not known whether local anesthetics pass into breast milk. However, these medicines have not been reported to cause problems in nursing babies.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving any of the medicines in this class, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using medicines in this class with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other medical problems
The presence of other medical problems may affect the use of medicines in this class. Make sure you tell your doctor if you have any other medical problems, especially:
The dose medicines in this class will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of these medicines. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
The dose of a local anesthetic will be different for different patients. Your health care professional will decide on the right amount for you, depending on:
For patients going home before the numbness or loss of feeling caused by a local anesthetic wears off:
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
While you are in the hospital or your medical doctor's or dentist's office, your medical doctor, dentist, or nurse will carefully follow the effects of any medicine you have received. However, some effects may not be noticed until later.
Check with your doctor immediately if any of the following side effects occur:
Check with your doctor as soon as possible if any of the following side effects occur:
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.