In-depth

Alcohol intolerance

Amenorrhea

Although the absence of menstruation (amenorrhea) is seldom serious, the condition can often be linked to an underlying problem requiring treatment.

Antiphospholipid syndrome

Antiphospholipid syndrome is a rare disorder in which your immune system attacks certain blood proteins, creating clotting abnormalities that can cause stroke and pregnancy complications.

Aplastic anemia

Aplastic anemia occurs when your bone marrow stops producing enough new blood cells. It's a serious problem, but treatments are available.

Aspergillosis

Astigmatism

Many people have astigmatism, an irregular curvature of the eye's surface that can cause blurred vision. Treatments include corrective lenses and laser surgery.

Bee stings

Bee stings — Comprehensive overview covers prevention, treatment of bee stings.

Bell's palsy

Brain aneurysm

Brucellosis

Brucellosis is an infectious disease that spreads from animals to people, mainly via unpasteurized dairy products. Travelers should take special care to avoid infection.

Bruxism (teeth grinding)

Carbon monoxide poisoning

Carotid artery disease

Chagas disease

Child abuse

Coarctation of the aorta

Cold sore

Concussion

Concussions can be serious injuries that need sufficient time to heal.

Convergence insufficiency

 

Cough headaches

Dehydration

You normally lose about 10 cups (2.4 liters) of water every day — much more during exercise or illness. Learn how to stay hydrated.

Dengue fever

Depression

Ebola virus and Marburg virus

Ehrlichiosis

Encephalitis

Encephalitis is inflammation of the brain usually caused by a viral infection. Severe cases can cause brain damage, even death.

Essential thrombocythemia

Exercise headaches

External compression headaches

Eyestrain

Farsightedness

Fever

Don't be in a hurry to treat a low-grade fever — it's probably helping your body fight infection. High or lasting fevers may need medical attention.

Fibromyalgia

Fatigue and widespread pain are common with fibromyalgia, a condition affecting mainly women. Treatment often focuses on managing symptoms with medication and self-care.

Genital herpes

Giant cell arteritis

Grand mal seizure

Hangovers

Hantavirus pulmonary syndrome

Hantavirus pulmonary syndrome is initiated by a rodent-carried virus that infects the lung tissues, bringing on flu-like symptoms, respiratory problems and even death.

Heat exhaustion

Heatstroke

Hemophilia

Histoplasmosis

HIV/AIDS

Hydrocele

Hyperglycemia in diabetes

Hyperparathyroidism

Hyponatremia

Hypoparathyroidism

Impacted wisdom teeth

Intermittent explosive disorder

Intracranial hematoma

Iron deficiency anemia

Iron deficiency anemia may leave you feeling sapped of energy. This condition is especially common in women. Iron supplements usually help.

Jellyfish stings

Lead poisoning

Listeria infection

Most people exposed to listeria don't become ill. But for those at risk of a listeria infection — a foodborne illness — the consequences can be severe.

Lung cancer

Lupus

Lyme disease

Meningioma

Mental illness

Myocarditis

Naegleria infection

Nasal polyps

Nasal polyps, inflammation-related growths in the nasal passages or sinuses, can block the flow of air and fluid in your nose.

Nasopharyngeal carcinoma

Nearsightedness

Panic attacks and panic disorder

Parvovirus infection

Pheochromocytoma

Polio

One of the most feared diseases of the 20th century, polio has been eradicated from the developed world but remains a threat in less developed nations.

Polycystic kidney disease

Polycythemia vera

Polycythemia vera is a rare blood disorder in which a person's bone marrow makes too many blood cells.

Polymorphous light eruption

Polymorphous light eruption is a sun-induced skin rash affecting people who develop a sensitivity to sunlight.

Post-concussion syndrome

Postpartum preeclampsia

Preeclampsia

Premenstrual syndrome (PMS)

Presbyopia

Prolactinoma

Pseudotumor cerebri

Pseudotumor cerebri — Comprehensive overview covers symptoms, causes, treatment of increased pressure inside the skull.

Pulmonary edema

Q fever

Rabies

Rabies is a serious infection that usually spreads through the bite of an animal infected with the virus.

Radiation sickness

Recurrent breast cancer

Respiratory syncytial virus (RSV)

Rocky Mountain spotted fever

Rubella

Salmonella infection

Salmonella infection will cause only diarrhea and stomach pain in some people, but for infants and immunocompromised people, this bacterial illness can cause life-threatening complications.

Scarlet fever

Scarlet fever is a bacterial infection that causes a rash, fever and sore throat and usually affects children and adolescents.

Serotonin syndrome

Serotonin syndrome — caused by mixing some antidepressants and other medications — can be life-threatening if left untreated.

Shingles

Sleep apnea

Smallpox

Staph infections

Sunburn: Soothing solutions

Swine flu (H1N1 flu)

Thrombocytosis

Thunderclap headaches

Tonsillitis

Toxic shock syndrome

Traumatic brain injury

While mild traumatic brain injury generally results in few long-term problems, more severe injury can cause several physical, emotional, behavioral, communication and cognitive problems.

Trichinosis

Tularemia

Typhoid fever

Valley fever

Whiplash

Yellow fever

May 04, 2016