- Dental abscess
A dental abscess, a severe tooth infection, can cause throbbing pain, swelling, redness, fever, and more.
- 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.
- Canker sores
Canker sore symptoms begin with a tingling sensation, followed by a red bump that becomes an ulcer.
- Gastroenteritis
Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting.
- 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.
- Diabetes, type 2
Diabetes can make you feel hungry, tired, or thirsty; you may urinate more than normal and have blurry vision.
- 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.
- Dehydration (Children)
Dehydration, or not getting enough fluid, causes dry and sticky mouth, tearless crying, and more in children.
- Diabetes, type 1
Diabetes can make you feel hungry, tired, or thirsty; you may urinate more than normal and have blurry vision.
- Coxsackie virus infection
Coxsackie virus infection can cause many cold-like symptoms as well as blisters on the mouth hands and feet.
- Dehydration (Adult)
Dehydration, or not getting enough fluid, causes low blood pressure, weakness, dizziness, fatigue, and nausea.
- Iron poisoning
Iron poisoning causes abdominal pain, vomiting, diarrhea, lethargy, and dehydration.
- Sickle cell disease
Sickle cell disease symptoms include repeated infections, yellow skin, fatigue, dizziness, pain, and more.
- Acute kidney failure
Acute kidney failure is sudden and can cause swelling, frequent dark urination, fatigue, nausea and more.
- Aspirin poisoning
Aspirin poisoning is a medical emergency and can cause nausea, vomiting, drowsiness and more.
- Diabetic ketoacidosis
Symptoms of diabetic ketoacidosis include dry mouth, excessive thirst and urination, and more.
- Mouth (oral) cancer
Oral cancer may start as a white patch on the cheek or gums or a mouth sore that doesn't go away.
- Scarlet fever
Scarlet fever is a red itchy rash on the body caused by streptococcal bacteria.
- Ulcerative colitis
Ulcerative colitis causes swelling in the large intestine and can lead to cramping, diarrhea, and more.
- Esophagitis
Esophagitis, an inflammation of the lining of the esophagus, causes chest pain, nausea, and more.
- Exercise or physical activity
Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.
- Salivary duct obstruction (sialolithiasis)
Salivary duct obstruction can lead to swelling and pain, often under the tongue or jaw.
- Heat exposure
Heat exposure can cause dizziness, nausea, headache, weakness, a fast heartbeat, muscle cramps, and more.
- Pemphigus
Pemphigus is a disease that causes blisters on the skin and sores on mucus membranes of the body.
- 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.
- Crohn's disease
Crohn's disease is a digestive condition that causes swelling, cramping, diarrhea, and nutritional problems.
