Many people with Interstitial Cystitis (IC) have found that eliminating certain foods can improve their treatment results. Some foods are know to cause flare-ups and are best avoided. While everyone reacts differently to different foods, the following chart may be helpful in determining which foods are right for you.
| Food type | Foods We Recommend | Foods to Avoid |
| Fruits | Melons (other than cantaloupes) and peas | Apples, apricots, avocados, bananas, cantaloupes, citrus fruits, cranberries, grapes, nectarines, peaches, pineapples, plums, pomegranates, strawberries, and juices made of these fruits |
| Vegetables | Potatoes, homegrown tomatoes & some vegetables (see next column) | Fava beans, lima beans, onions, rhubarb, tofu, tomatoes |
| Milk & Dairy | White Chocolate, cottage cheese, American cheese & milk | Aged cheese, sour cream, eggs, yogurt and chocolate |
| Carbohydrates &Grains | Pasta, rice, some breads (see next column) | Rye & sourdough bread |
| Meats & Fish | Poultry, some fish & some meats (see next column) | Aged, canned, cured, processed, or smoked meats & fish, anchovies, caviar, chicken livers, corned beef, and meats that contain nitrates or nitrites |
| Nuts | Almonds, cashews, pine nuts | Most other nuts |
| Beverages | Bottled or spring water, decaffeinated, acid free coffee & tea, some herbal teas | Alcoholic beverages, beer, wine, carbonated drinks, coffee, tea, and cranberry juice (see fruits) |
| Seasonings | Garlic and some other seasonings | Mayonnaise, miso, spicy foods (especially Chinese, Indian, Mexican, and Thai foods) |
| Preservatives & Additives | | Benzol alcohol, citric acid, monosodium glutamate, aspartame, (NutraSweet), saccharin, foods containing preservatives & artificial ingredients & colors |