Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood vessel disease (e.g., Raynaud's disease, stroke), dental/jaw problems (e.g., bridges, temporal mandibular joint disease-TMJ), diabetes, heart disease (e.g., chest pain, heart attack, irregular heartbeat), high blood pressure, liver disease, severe kidney disease, stomach/intestinal sores (peptic ulcers), certain adrenal problem (pheochromocytoma), overactive thyroid (hyperthyroidism)
Nitrosamines: Potent carcinogens formed during tobacco curing and combustion
American Cancer Society
An acute ear infection starts over a short period and is painful
55% versus 44%)