What are the possible side effects of buprenorphine (Subutex)?
Like other narcotic medicines, buprenorphine can slow your breathing. Death may occur if breathing becomes too weak. 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. Call your doctor at once if you have any of these serious side effects: • slow or shallow breathing; • feeling light-headed, fainting; • confusion, unusual thoughts or behavior; or • nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes). Less serious side effects may be more likely to occur, such as: • headache; • stomach pain, nausea, vomiting, constipation; • warmth or tingly feeling; • increased sweating; • weakness; • back pain; • anxiety, depression; • sleep problems (insomnia); or • runny nose. Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothe