Drugs A - Z
Lidocaine, Tetracaine Medicated plaster
Generic Name: lidocaine-tetracaine topical
Brand Names: Synera
What is this medicine?LIDOCAINE; TETRACAINE (LYE doe kane; TET ra kane) causes loss of feeling in the skin and surrounding tissues. It is used to numb the skin before a procedure.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?They need to know if you have any of these conditions:
- liver disease
- pseudocholinesterase deficiency
- skin infection or problem
- an unusual or allergic reaction to lidocaine, tetracaine, other anesthetics, para-aminobenzoic acid (PABA), parabens, medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
How should I use this medicine?The patch will be applied and removed from your skin by a healthcare professional.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?This does not apply.
What may interact with this medicine?
- medicines to control heart rhythm like mexiletine, tocainide
- other products that may contain anesthetic medicine
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?After use of this medicine, you will be numb for some time. Be careful to avoid injury while the area is numb and you are not aware of pain. Do not scratch, rub, or expose the skin to hot or cold while you are numb.
Do not touch this medicine to the eye. It may cause irritation and injury. If this medicine does touch the eye, wash the eye out with water or saline for eyes. Then protect the eye until feeling returns.
Do not cut the patch or remove the top cover as this could cause the patch to overheat and burn the skin. Do not cover the holes on the top side of the patch as this could cause the patch not to heat.
If you are going to have a magnetic resonance imaging (MRI) procedure, tell your MRI technician if you have this patch on your body. It must be removed before a MRI.
What side effects may I notice from receiving this medicine?Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
- blister, pain where applied
- breathing problems
- changes in vision
- chills, fever
- confused, excitable, nervous, restless
- dizzy, drowsy
- irregular heartbeat
- nausea, vomiting
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- red or pale color skin, swelling or tingling at the application site
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?This drug is given in a hospital or clinic and will not be stored at home. Throw away used patches out of the reach of children. Chewing on or eating a new or used patch may cause harm to children or pets.
NOTE:This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.