Like all medicines, Bio-glucosamine capsules may cause unwanted effects, so called side effects, in certain people. The most common effects reported (experienced by up to 10% of people) include indigestion, stomachache, nausea (feeling sick), constipation, diarrhea, headache and tiredness. Less common effects (experienced by up to 1% of people) include flushing, itching and rash development.
If the patient notices any of these effects, or experience any other unusual effects, please tell the doctor or pharmacist as soon as possible. It will help if the patient makes a note of the experience, when it started and how long it lasted.