- 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.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- 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.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Anemia, iron deficiency
Anemia , a lack of red blood cells, can cause fatigue, pale skin and gums, brittle nails, irritability, and more.
- Scarlet fever
Scarlet fever is a red itchy rash on the body caused by streptococcal bacteria.
- 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.
- 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.