Pollen-food allergy syndrome (PFAS)

Foods to avoid

The specific foods to avoid depend on your pollen allergies:

Tree pollen allergies

• Fruits: Apples, pears, peaches, plums, cherries, apricots, nectarines.
• Nuts: Almonds, hazelnuts.
• Vegetables: Carrots, Celery.

Grass pollen allergies

• Fruits: Melons (watermelon, cantaloupe, honeydew), oranges.
• Vegetables: Tomatoes, potatoes.
• Legumes: Peas, beans.

Weed pollen allergies

• Fruits: Bananas, melons.
• Vegetables: Cucumbers, zucchini, bell peppers.
• Herbs and spices: Chamomile, sunflower seeds, Mustard.

Important: Foods may need to be avoided raw but could be tolerated when cooked, as heat can break down the proteins that cause reactions.

Foods to include

Many foods are safe to eat, especially when cooked; Individual tolerance varies, so work with your healthcare provider to determine which foods are safe for you:

• Cooked fruits and vegetables: Most problematic foods can be eaten when cooked.
• Animal proteins: Meat, poultry, fish, eggs.
• Dairy products: Milk, cheese, yogurt.
• Grains: Rice, wheat, oats, corn.
• Legumes: When cooked thoroughly.

During a flare-up

If you experience symptoms, consider these dietary adjustments:

Foods to include

• Well-cooked foods: Heat-processed fruits and vegetables.
• Canned or frozen: These are often heat-treated and may be better tolerated.
• Peeled fruits: Removing the skin can reduce allergen exposure.

Foods to avoid

• Raw problematic foods: Avoid raw versions of foods that trigger your symptoms.
• Cross-contaminated foods: Be cautious with foods that may have come in contact with raw allergens.

Practical tips

• Keep a food diary: Track which foods cause symptoms and under what conditions.
• Cook problematic foods: Heat can break down the proteins that cause reactions.
• Peel fruits and vegetables: The skin often contains higher concentrations of allergens.
• Be seasonally aware: Symptoms may be worse during pollen seasons.
• Read labels: Check for potential cross-contamination in processed foods.

Important: Always carry appropriate medication (like antihistamines) if prescribed by your healthcare provider.

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