LIDOCAINE & EPI Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor or nurse immediately if any of the following side effects occur: Incidence not known Bluish-colored lips, fingernails, or palms blurred or double vision chest pain or discomfort cold, clammy, pale skin confusion continuing ringing or buzzing or other unexplained noise in the ears cough dark urine difficulty breathing difficulty swallowing dizziness or lightheadedness dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position drowsiness fast heartbeat fever headache hearing loss hives, itching, skin rash irregular heartbeat irregular, fast or slow, or shallow breathing loss of consciousness puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue rapid or slow heart rate seizures slow or irregular heartbeat sore throat sweating tightness in the chest tremor twitching unusual bleeding or bruising unusual tiredness or weakness Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Incidence not known Cold or numb feeling false or unusual sense of well-being feeling of heat loss of bladder and bowel control loss of genital sensation and sexual function nervousness vomiting Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.