Ginkonex 40mg Tablet should be taken with food. It is advised to take medicine at the same time each day as this helps to maintain a consistent level of medicine in the body. Take this medicine in the dose and duration advised by your doctor. 
Headache, upset stomach and gastrointestinal discomfort are some common side effects of this medicine.  If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. It may also cause dizziness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Pregnant or breastfeeding women should consult their doctor before taking this medicine.