There are three things you can do.

First is to talk with your doctor. Many people who do not respond well to Allopurinol alone can find relief by combining is with colchicine.

Second is to learn which foods are high in purines and avoid them. Gout is cause when your body stops producing and enzyme that processes purines from foods and because of this turns them into uric acid. Here is a link that shows you which foods to avoid.

http://arthritis-symptom.com/Gout-Symptoms/gout-diet.htm

Third is to learn which foods can help you avoid a gout attack. Here is an article that shows you which foods are beneficial.
References :

http://www.artcademy.biz/gout%20treatmen...
References :

What would be helpful for the time being is to reduce risk factors involved in gout:
- purine rich foods – e.g. herring, liver, salmon
- being overweight
- alcohol intake (over 2 drinks a day)
- high cholesterol
- high blood pressure
- diabetes – glucose control is helpful
- arteriosclerosis
- high sugar soft drinks http://www.nlm.nih.gov/medlineplus/news/fullstory_60663.html
- certain medications/supplements (consult with doctor about alternatives) – diuretics (e.g. thiazides), niacin, aspirin, cyclosporines, some drugs used to treat cancer

Sources:
http://familydoctor.org/online/famdocen/home/articles/372.printerview.html
http://www.mayoclinic.com/print/gout/DS00090/DSECTION=all&METHOD=print

If you and your doctor are still having trouble relieving the frequent attacks, there are also many clinical trials for new gout treatments, they often offer treatments for free as well as complementary medical personnel follow up at
http://clinicaltrials.gov/search/open/condition=%22Gout%22
http://clinicaltrials.gov/search/open/condition=%22Uric+Acid%22
References :
more info on gout
http://www.nlm.nih.gov/medlineplus/gout.html