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Synera is part of the Local Anesthetics class and treats Pain and Anesthesia. Local anesthetics are used as anesthesia and to treat pain, postherpetic neuralgia, and ear infections. They work by blocking pain signals in the nerves. Synera is only available as a brand name drug. Compare local anesthetics.
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What is Synera?

Commonly Used Brand Name(s)Synera

Therapeutic ClassificationsAnesthetic Combination

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OverviewTOP

Lidocaine and tetracaine combination is used on the skin to cause numbness or loss of feeling for patients having certain medical or skin procedures.

Lidocaine and tetracaine combination belongs to a group of medicines known as topical local anesthetics. It deadens the nerve endings in the skin. This medicine does not cause unconsciousness as general anesthetics do when used for surgery.

This medicine is available only with your doctor's prescription.

Proper UseTOP

A nurse or other trained health care professional will apply this medicine before your medical procedure.

The patch is applied to your skin about 20 to 30 minutes before your procedure. Tell your doctor if you still have feeling in the skin after 30 minutes have passed.

Be careful not to get any of this medicine in your eyes, because it can cause severe eye irritation. If any of the medicine does get in your eyes, wash the eyes with water and check with your doctor right away.

Before UsingTOP

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

AllergiesTOP

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine 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.

PediatricTOP

Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of lidocaine and tetracaine combination in children. However, safety and efficacy have not been established in children below 3 years of age.

GeriatricTOP

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of lidocaine and tetracaine combination in the elderly.

Drug InteractionsTOP

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 this medicine, 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 this medicine 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.

Other InteractionsTOP

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 ProblemsTOP

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

  • Infection at or near the place of application or
  • Large sores, broken skin, or severe injury at the area of application—Use with caution. The chance of side effects may be increased.
  • Liver disease, severe or
  • Pseudocholinesterase deficiency (enzyme problem)—Use with caution. The effects may be increased because of slower removal of the medicine from the body.

PrecautionsTOP

It is very important that your doctor check you closely for any problems or unwanted effects that may be caused by this medicine.

This medicine may cause a serious type of allergic reaction called anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you have itching; hives; hoarseness; trouble with breathing; trouble with swallowing; or any swelling of your hands, face, or mouth while you are using this medicine.

Check with your doctor right away if you have a skin rash, burning, stinging, swelling, or irritation of your skin.

Lidocaine and tetracaine combination cause numbness or loss of feeling in the skin. Be careful not to injure the treated skin by rubbing, scratching, or exposing the skin to extreme cold or heat.

Chemical ClassificationsTOP

Amino Amide
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