Hello! Thanks for using healthcaremagic.com I read carefully your question and understand your concern. There is no way an online doctor can give you prescription, you need a certified medic in Canada in order to prescribe medicine in Canada. Demerol its a heavy restricted medicine since its derived from morphine. As a recommendation i suggest change your life style and try to eat healthy. The three most important elements in foods that cause migraine are: 1) Foods rich in salt. 2) Chemical stimulants (tyramine, phenylethylamine, alcohol). 3) Allergenic foods. It is advisable to remove each of these food groups one by one in order to detect which one is causing the migraine. Alcohol: contains histamines that lead to vacillation, especially the content of beer, red wine, brandy, bourboun, gin and whiskey. The liquor that less stimulates the vascular system is vodka. Foods containing aspartame sometimes contribute to the presence of migraine. Food allergens Milk is the most known allergenic food, taking more than 1 or 1½ glasses a day can produce histamines that are responsible in some people for intolerance to dairy products. Other foods like wheat, corn, nuts, pork, peanuts, peanut butter, coconut can cause migraine. Yeast is a common irritant in patients suffering from migraine, so homemade breads and coffee muffins should not be consumed until they have cooled. In general a patient with migraine should avoid the following foods: Snacks Toasted potatoes, pretzels, walnuts, crackers, olives, chocolate confections, donuts, peanut butter, peanut butter cookies, brownies, foods containing aspartame. Drinks (More than 2 cups per day), tea (more than 2 per day), beer, red wine, whiskey, bourboun, gin, brandy, sherry.