- Dental abscess
A dental abscess, a severe tooth infection, can cause throbbing pain, swelling, redness, fever, and more.
- Canker sores
Canker sore symptoms begin with a tingling sensation, followed by a red bump that becomes an ulcer.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Acute sinusitis
Acute sinusitis, an inflammation of the sinuses, causes sinus pain and tenderness, facial redness and more.
- Oral (mouth) herpes
Oral herpes is a viral infection and causes cold sores or fever blisters, usually around the mouth.
- Teething
Teething can cause crankiness, fussing, biting on objects, swollen gums, and drooling in infants.
- Toothache
A toothache is any pain or soreness in or around a tooth.
- Toothbrush irritation
Toothbrush irritation, from improper brushing, causes receding gums, worn enamel, and tooth sensitivity.
- Erythema multiforme
Erythema multiforme is a rare and potentially serious skin condition that causes a rash and blisters.
- Dental caries (cavities)
Dental cavities are tiny holes in teeth and can aching pain in the tooth and jaw.
- Thermal burn of mouth or tongue
A thermal burn of the mouth or tongue can cause pain, blisters, peeling skin, and temporary loss of taste.
- Salivary duct obstruction (sialolithiasis)
Salivary duct obstruction can lead to swelling and pain, often under the tongue or jaw.
- Abscess
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
- Coxsackie virus infection
Coxsackie virus infection can cause many cold-like symptoms as well as blisters on the mouth hands and feet.