Like all medicines, Suboxone can cause side effects, although not everybody gets them.
After the first dose of Suboxone, you may have some opiate withdrawal symptoms, see section 3 ?HOW TO TAKE SUBOXONE?.
Very common side effects (occurring in at least 1 in 10 patients) that may occur with Suboxone are: insomnia, constipation, nausea, sweating, headache, withdrawal syndrome.
Common side effects (occurring in at least 1 in 100 patients) that may occur during treatment with Suboxone are: weight loss, swelling (hands and feet), tiredness, drowsiness, anxiety, nervousness, tingling, depression, decreased sexual drive, muscle spasms, abnormal thinking, tearing disorder, blurred vision, flushing, increased blood pressure, migraines, runny nose, sore throat and painful swallowing, increased cough, upset stomach, diarrhoea, abnormal liver function, loss of appetite, flatulence, vomiting, rash, itching, hives, pain, joint pain, muscle pain, leg cramps, impotence, urine abnormality, abdominal pain, back pain, weakness, infection, chills, chest pain, fever, flu syndrome, feeling of general discomfort, accidental injury, faintness and dizziness, drop in blood pressure on changing position from sitting or lying down to standing.
Uncommon side effects (occurring in at least 1 in 1,000 patients) with Suboxone are: swollen glands (lymph nodes), agitation, tremor, abnormal dream, excessive muscle activity, depersonalization (not feeling like yourself), medicine dependence, amnesia (memory disturbance), loss of interest, exaggerated feeling of well being, convulsion (fits), speech disorder, small pupil size, problems with urination, conjunctivitis, rapid or slow heart beat, low blood pressure, palpitations, myocardial infarction (heart attack), shortness of breath, asthma, yawning, pain and sores in mouth, tongue discolouration, acne, skin nodule, hair loss, dry or scaling skin, inflammation of joints, urinary tract infection, blood in urine, abnormal ejaculation, menstrual or vaginal problems, kidney stone, sensitivity to heat or cold, allergic reaction, feelings of hostility.
Rarely (occurring in at least 1 in 10,000 patients), the following have occurred with buprenorphine alone:
- respiratory depression (severe difficulty in breathing) - see ?Take special care with Suboxone?,
- liver problems with or without jaundice- see ?Take special care with Suboxone?,
Misusing this medicine by injecting it can cause withdrawal symptoms, infections, other skin reactions and potentially serious liver problems - see ?Take special care with Suboxone?.
If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.