What are the possible causes of red spots on the roof of the mouth?

Red spots on the roof of the mouth can have various causes. While most of them are harmless and go away on their own, some may indicate more serious health conditions. Here are some possible causes of red spots on the roof of the mouth:

1. Canker Sores: Canker sores are common culprits of red or white spots in the mouth, including the roof. These open mouth ulcers can be painful and have a yellow or white center. They usually last for about two weeks and can be managed with over-the-counter topical gels and antimicrobial mouthwashes [3].

2. Strep Throat: Small red patches on the roof of the mouth can be a symptom of strep throat. This infection is characterized by fever, swollen lymph nodes, and pain while swallowing. Treatment typically involves a course of antibiotics, along with rest and fluids [3].

3. Physical Injury: Burns from consuming hot food or drinks, cuts from sharp foods, or injuries caused by broken or chipped teeth, uneven dental fillings, or broken crowns or bridges can result in red spots on the roof of the mouth. Treating the underlying cause of the injury can help resolve the red marks [3].

4. Hand, Foot, and Mouth Disease (HFMD): HFMD is a common viral infection that primarily affects children under 5 years old but can also occur in older children and adults. It can cause red spots on the roof of the mouth that can develop into painful blisters. Other symptoms may include fever, sores on the hands, feet, and body, sore throat, and feeling ill. HFMD usually resolves on its own within a week to a week and a half, and over-the-counter medications and mouthwashes can help alleviate discomfort [2][3].

5. Oral Herpes: Oral herpes, caused by the herpes simplex virus, can result in red bumps or sores on the roof of the mouth. These sores are typically white but can appear red initially or while healing. Cold sores, as they are commonly known, usually take about two weeks to disappear on their own. It is important to avoid physical contact or sharing items with others to prevent the spread of the virus [3].

It is important to note that this is not an exhaustive list, and there may be other possible causes of red spots on the roof of the mouth. If you notice red bumps in or around your mouth, it is recommended to consult with a dental or healthcare professional for an accurate diagnosis and appropriate treatment [3].

Learn more:

1. Red spots on roof of mouth: Causes and other symptoms
2. What Causes Red Spots On The Roof Of Your Mouth? | Colgate®
3. 5 Causes of Red Spots on Roof of the Mouth