Can Allergies Cause Mouth Ulcers?

Women Showing Mouth Ulcers

Allergies themselves do not typically cause mouth ulcers, but allergic reactions can indirectly lead to the development of mouth ulcers in some individuals. Here’s how this can happen:

  • Allergic Reactions: Some allergic reactions, particularly those that cause severe itching or skin irritation, may lead to a person scratching or rubbing the skin around their mouth or lips. This repeated physical irritation can cause small breaks or sores in the skin, which may develop into mouth ulcers.
  • Medications: Allergic reactions to certain medications can cause mouth ulcers as a side effect. If you are taking a medication and develop mouth ulcers after starting the treatment, it’s important to discuss this with your healthcare provider.
  • Food Allergies: Allergic reactions to certain foods can sometimes cause oral symptoms, including itching, swelling, or discomfort in the mouth and throat. Severe food allergies, such as those that cause anaphylaxis, can lead to more significant oral and throat reactions, which may include ulceration or swelling.

It’s essential to differentiate between mouth ulcers and other oral conditions, as various factors can lead to the development of ulcers in the mouth, including viral infections, trauma, and autoimmune conditions like aphthous stomatitis (canker sores).

If you are experiencing persistent mouth ulcers or are concerned about the impact of allergies on your oral health, it is advisable to consult with a healthcare provider or an allergist. They can help diagnose and manage both your allergies and any associated symptoms or complications.