Summary
Cold sores, also known as fever blisters, are a common viral infection that appear as tiny, fluid-filled blisters on and around the lips.
1
Canker sores, also known as mouth ulcers, usually appear inside the lips, but can also appear on the tongue, cheeks, and gums.
2
3
They are usually under a half-inch long, are white or yellowish, and are oval-shaped, often with a red ring around them and slightly raised.
2
3
Transient lingual papillitis, also known as tongue or “lie” bumps, are small, inflamed sores on the tongue.
3
Canker sores are commonly caused by trauma like biting the inside of your cheek, burns, allergies, or sensitivities
2
, while cold sores are caused by the herpes simplex virus.
1
Folate deficiency and anemia can also cause canker sores.
2
According to
Summary
Cold sores — also called fever blisters — are a common viral infection. They are tiny, fluid-filled blisters on and around your lips. These blisters are often grouped together in patches. After the blisters break, a scab forms that can last several days.
Cold sore - Symptoms and causes - Mayo Clinic
mayoclinic.org
Summary
Canker sores. Canker sores may look like small oval-shaped ulcers in your mouth that appear white, gray, or yellow. They may be surrounded by a red “halo” of irritation.
What causes canker sores in your mouth? Canker sores are commonly caused by trauma like biting the inside of your cheek, burns, allergies, or sensitivities.
Cold sores. Cold sores look like fluid-filled blisters that appear near the mouth and lips. They can appear red or darker in color. The affected area may tingle or burn before the sore is visible.
Folate deficiency and anemia. A folate deficiency is caused by not having enough folate, also known as vitamin B9. Folate is an important B vitamin used to make and repair DNA.
Mouth Sores: Pictures, Causes, Types, Symptoms, and Treatments - Healthline
healthline.com
Summary
Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums. Unlike cold sores, canker sores don't occur on the surface of your lips and they aren't contagious. They can be painful, however, and can make eating and talking difficult.
Canker sore - Symptoms and causes - Mayo Clinic
mayoclinic.org
Summary
Canker sores , also known as mouth ulcers , usually appear inside the lips, but they can also appear on the tongue, cheeks, and gums. They are usually under a half-inch long, are white or yellowish, and are oval-shaped, often with a red ring around them and slightly raised.
What Are Causes of Blisters in the Mouth? - MedicineNet
medicinenet.com
A blister on the lip could have many causes, including viral infections, allergies, or trauma. It may occur with other symptoms, such as swelling or fever. The appearance, location, and…
What causes lip blisters? - Medical News Today
medicalnewstoday.com
Several different things can cause blisters inside the mouth: Tissue Trauma or Irritation. If you have a broken filling or sharp tooth, they can very easily cut into your mouth...
How Blisters In Mouth Tissue Occur | Colgate®
colgate.com
Mouth sores can develop anywhere in the mouth , including the tongue, inside the cheeks, the roof of the mouth , underneath the tongue, and the lips . While many types of mouth …
Mouth Sores: Symptoms, Causes, and Treatment
verywellhealth.com