Top 5 Foods to Avoid When Managing Nasal Polyps and Sinus Issues
Learn about five common foods that can worsen nasal polyps and sinus symptoms. Managing your diet by avoiding dairy, high-salicylate foods, histamine-rich items, refined sugars, and excessive red meat may help reduce inflammation and improve nasal health. Proper dietary choices can support treatment and decrease the risk of frequent infections or flare-ups.

Nasal polyps are benign growths that develop within the nasal passages or sinuses. Smaller polyps might be symptomless, but larger ones can obstruct airflow, leading to breathing difficulties. While medical treatments exist, diet also significantly influences nasal health and can help prevent infection or inflammation. Certain foods can worsen nasal polyps and trigger sinus problems. Identifying and avoiding these foods can aid in better symptom management and reduce the likelihood of complications.
Below are five foods that individuals with nasal polyps should consider limiting or avoiding.
Dairy Products
Dairy items tend to increase mucus production, which can further block nasal passages. Additionally, people sensitive or allergic to dairy proteins may experience growth of nasal polyps due to inflammatory responses.
To manage symptoms, it’s advisable to limit or steer clear of full-fat milk, cheeses, and yogurt when dealing with nasal polyps or sinus infections.
Legumes
Beans, lentils, and similar foods contain beneficial nutrients but also natural salicylates, which can aggravate nasal allergies in sensitive individuals. Consuming foods like cauliflower, pickled vegetables, strawberries, mushrooms, oats, corn, and herbs such as rosemary may worsen sinus inflammation or trigger allergic responses.
Tomatoes
Tomatoes contain histamine, a chemical involved in allergic reactions. Accumulation of histamine may cause symptoms like sneezing, nasal congestion, and breathing difficulties, particularly in those with sensitivities. Processed meats, avocados, eggplant, dried fruits, aged cheeses, chocolates, and wines also contain high levels of histamine and may exacerbate sinus issues.
Refined sugary foods such as candies, baked goods, chocolate, and fruit juices can promote inflammation, intensifying sinusitis symptoms. Although occasional indulgence is fine, reducing refined sugar intake is beneficial for nasal and sinus health.
Red Meat
Eating large quantities of red meat like beef, pork, or lamb can increase mucus production, leading to worsened nasal congestion and sinus inflammation. For those with polyps or sinus problems, moderating red meat consumption is recommended to help manage symptoms.