Lidocaine viscous mouth rinse is used to relieve pain of inflammation or sores of the mouth or throat. It is also used to reduce gagging during x-rays of the mouth or dental x-rays. It works by blocking nerve signals in your body. Lidocaine viscous is used to treat sores inside the mouth, during dental procedures to numb the gums, and to numb the mouth and throat before a surgery or medical procedure. Lidocaine viscous should not be used to treat teething pain in infants. Lidocaine Viscous package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Overview: Lidocaine for mucous membranes (such as the mouth and throat) is commonly used to prevent and relieve pain or to numb part of your body before a procedure. The most common side. In the setting of teething pain, Xylocaine 2% Viscous Solution should generally not be used. For other conditions, the use of the product in patients less than 3 years of age should be limited. Lidocaine viscous 2% (also known as viscous lidocaine) is commonly used to numb red, swollen, and painful sores in the mouth and throat. It's available by prescription only. The typical dose for adults is to swish and spit (or swallow) 15 mL of lidocaine viscous 2% every 3 hours, as needed. In the setting of teething pain, Lidocaine Viscous 2% should generally not be used. For other conditions, the use of the product in patients less than 3 years of age should be limited to those situations where safer alternatives are not available or have been tried but failed. Lidocaine viscous (Xylocaine Viscous) is a drug mainly used to numb sore mucous membranes (such as in the throat) for surgical purposes or disease symptom relief. Learn about side effects, drug interactions, recommended dosages, and storage information. Lidocaine can cause serious side effects, especially in children, if it gets into the mouth and is swallowed. If you are using the viscous topical solution medicine in the mouth or throat, be aware of signs of toxicity. Lidocaine Viscous (Lidocaine Hydrochloride Oral Topical Solution USP) is indicated for the production of topical anesthesia of irritated or inflamed mucous membranes of the mouth and pharynx. It is also useful for reducing gagging during the taking of X-ray pictures and dental impressions.