Can Food Allergies Cause Mouth Sores?

Plus: The 5 Best Over-the-Counter Nasal Sprays in 2026

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May 5, 2026   TODAY'S TOP STORY Can Food Allergies Cause Mouth Sores? READ ON   The 5 Best Over-the-Counter Nasal Sprays in 2026 READ ON   What Are the Symptoms of Eosinophilic Esophagitis? READ ON   What to Know About Dog Allergies and When to See a Doctor READ ON LIVING WELL More healthy reads 🧴 What to Know About Homeopathic Remedies for Eczema 🫁 Can COPD Cause Finger Clubbing? 🩺 What Does Ulcerative Colitis Feel Like, and Where Is It Located? 🌻 How Often Can You Dye Your Hair?   TODAY'S RESOURCE     How to Apply Eye Drops There's a bit of technique involved. DOWNLOAD NOW       HEALTHLINE HUBS More Asthma & Allergies resources Everything You Need to Know About Allergies Get to know the various symptoms and possible treatments available to you. LEARN MORE   Asthma Hub How to navigate and live well with severe asthma. LEARN MORE We'd love to hear from you! Send us a message at newsletters@healthline.com to let us know what else you’d like to see. Until then, Take care of yourself, and we’ll see you again soon! View in browser Did a friend send you this email? Subscribe here. To see all newsletters, click here. Privacy   |   Unsubscribe We may feature your messages to our inbox within our content. Please do not provide any personal identifiable information. Replies may be edited for length and clarity. For more, see our Privacy Policy. Our website services, content, and products are for informational purposes only. Healthline does not provide medical advice, diagnosis, or treatment and should not be used as a substitute for medical advice from a healthcare professional. Healthline encourages you to make any treatment decisions with your healthcare professional. Every product we recommend has gone through either Healthline’s or Optum Now’s vetting processes. If you buy through links on this page, we may receive a small commission or other tangible benefit. Healthline has sole editorial control over this newsletter. Potential uses for the products listed here are not health claims made by the manufacturers. Healthline and Optum Now are owned by RVO Health. © 2026 RVO Health 1101 Red Ventures Drive Fort Mill, SC 29707