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You won't cure your nasal allergies with a special diet. But what you eat can make a difference in how you feel. Some foods may make symptoms better, and some may make them worse.

Nasal Allergies: Foods That Help

Fish. Some studies have found that omega-3 fatty acids -- found naturally in salmon, tuna, and other fish -- may lower the risk of getting allergies in the first place. Could they help treat people who already have allergies? While some early evidence is promising, it's too soon to say, says Clifford W. Bassett, MD, an allergist at the NYU School of Medicine.

Fruits and vegetables. One Spanish study found that kids with allergic asthma who ate lots of tomatoes, eggplant, cucumber, green beans, and zucchini had fewer symptoms than kids who didn't. Fruits and vegetables high in vitamins C and E -- such as spinach, broccoli, and tomatoes -- may also lessen swelling in the airways.

Hot drinks and soup. Fluids like these can indirectly warm up the airways as they go down. That helps break up mucus in the lungs, making it easier to cough up.

Mediterranean diet. Nuts, healthy oils, fresh fruits and vegetables, fish, and even red wine are good for your heart, and maybe your airways, too. One study found that the diet helped control severe asthma symptoms. Another found that pregnant women who ate this way were less likely to have kids with allergies or asthma.

Yogurt. You might not think that your gastrointestinal tract has much to do with your runny nose. While there is conflicting evidence, some experts say that having healthy "good" bacteria -- probiotics -- in the intestines may help allergy symptoms such as runny nose and congestion of the nasal passages. One study found that allergic kids who drank milk enriched with probiotics had fewer pollen allergy symptoms. Yogurt is a good natural source of probiotics. Buy a brand that has live cultures in it.

Foods to Avoid

Raw fruits and vegetables. Some pollens have proteins that are very similar to those in common fruits and vegetables. Your body can mistake the two. If you're allergic to ragweed, for example, you might also have symptoms after eating cantaloupe or watermelon.

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