It is a topical anesthetic that causes loss of feeling in the skin and surrounding tissues.
LIDOCAINE; PRILOCAINE (LYE doe kane; PRIL oh kane) is a topical anesthetic that causes loss of feeling in the skin and surrounding tissues. It is used to numb the skin before procedures or injections.  Lidocaine/prilocaine is a eutectic mixture of equal quantities (by weight) of lidocaine and prilocaine. A 5% emulsion preparation, containing 2.5% each of lidocaine/prilocaine, is marketed by APP Pharmaceuticals under the trade name EMLA (an abbreviation for Eutectic Mixture of Local Anesthetics). INDICATIONS. EMLA Cream (a eutectic mixture of lidocaine 2.5% and prilocaine 2.5%) is indicated as a topical anesthetic for use on: - normal intact skin for local analgesia. - genital mucous membranes for superficial minor surgery and as pretreatment for infiltration anesthesia. When applying EMLA (lidocaine and prilocaine) to the intact skin of young children, it is important that they be carefully observed by an adult in order to prevent the accidental ingestion of or eye contact with EMLA Cream. Uses of This Medicine. Lidocaine and prilocaine topical cream is used on the skin or in the genital area to cause numbness or loss of feeling before certain medical procedures. It is used to prevent pain caused by an injection, the drawing of blood from a vein, or minor surgeries such as removing warts.  Prilocaine /ˈpraɪlɵkeɪn/ is a local anesthetic of the amino amide type first prepared by Claes Tegner and Nils Loefgren. Löfgren in its injectable (form trade Name), citanest it is often used in. dentistry In its injectable form (trade name Citanest), it is often used in dentistry. It is also often combined with lidocaine as a topical preparation for dermal anesthesia (lidocaine/prilocaine or EMLA), for treatment of conditions like paresthesia. Lidocaine and prilocaine are local anesthetics (numbing medicines). They work by blocking nerve signals in your body. Lidocaine and prilocaine topical (for the skin) is a combination medicine used to numb the skin or surfaces of the penis or vagina. This medicine is used to prepare you for minor surgery or medical procedures on these areas. Lidocaine and prilocaine topical may also be used for purposes not listed in this medication guide. An overdose of numbing medicine can cause fatal side effects if too much of the medicine is absorbed through your skin. DRUG CLASS AND MECHANISM: Lidocaine and prilocaine is a topical anesthetic cream. Lidocaine and prilocaine enter through the skin and block pain receptors in nerve endings. Lidocaine and prilocaine reduce conduction of nerve impulses by interrupting the transfer of sodium ions across the membranes of nerve cells. 
http://www.cvs.com/drug/lidocaine-prilocaine/topical-cream https://en.wikipedia.org/wiki/Lidocaine/prilocaine http://www.rxlist.com/emla-drug/indications-dosage.htm http://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0010945/?report=details https://en.wikipedia.org/wiki/Prilocaine http://www.everydayhealth.com/drugs/lidocaine-prilocaine-topical http://www.medicinenet.com/lidocaine_wprilocaine-topical_cream/article.htm
what is prilocaine