home > drugs a-z list > xylocaine viscous (lidocaine hydrochloride solution) drug center > xylocaine viscous (lidocaine hydrochloride solution) drug

What are the possible side effects of lidocaine viscous (Xylocaine Viscous)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using lidocaine viscous and call your doctor at once if you have any of these serious side effects:

• slow or uneven heartbeats;
• drowsiness, confusion;
• tremors, seizure (convulsions); or
• blurred vision.

Less serious side effects may include:

• mild irritation, redness, or swelling...

Read All Potential Side Effects and See Pictures of Xylocaine Viscous »

What are the precautions when taking lidocaine hydrochloride solution (Xylocaine Viscous)?

Before using lidocaine, tell your doctor, dentist, or pharmacist if you are allergic to it; or to other anesthetics (e.g., bupivacaine, prilocaine); or if you have any other allergies. This product may contain inactive ingredients (such as PABA), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your dentist, doctor, or pharmacist your medical history, especially of: bites/cuts/scrapes/sores in your mouth or throat, heart problems (e.g., irregular heartbeat), severe infection with high fever (e.g., sepsis), liver disease.

Lidocaine may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat...

Read All Potential Precautions of Xylocaine Viscous »