The infection may rapidly become severe, and signs and symptoms of the underlying condition may become worse.

CNN: Bronchiolitis

In older children and adults: Have signs and symptoms included urinary incontinence?

CNN: Hydrocephalus

Mental health conditions in children are diagnosed and treated based on signs and symptoms and how the condition affects a child's daily life.

CNN: Mental illness in children: Know the signs

In older children and adults: Have signs and symptoms included headache?

CNN: Hydrocephalus

Make sure your close friends and family know the signs and symptoms of stroke and understand that it's critical to act fast in the event of a possible stroke.

CNN: Carotid artery disease

The immune system cells produce a protein called interleukin-6 (IL-6) that contributes to the overgrowth of lymphatic cells and leads to many of the signs and symptoms of Castleman disease.

CNN: Castleman disease

Anglian Water has also written to GPs and hospitals asking them to be vigilant for signs and symptoms of cryptosporidiosis.

BBC: Schools still shut over water bug

Although thermal scanners used in airports may detect travelers with symptoms, they are not effective since people exposed to an infectious disease could travel without any signs or symptoms and yet still be infectious.

CNN: Commentary: Flu and your health on a plane

The tests your doctor uses will depend on what kind of signs and symptoms you have.

CNN: Conversion disorder

The signs and symptoms of hypothyroidism vary widely, depending on the severity of hormone deficiency.

CNN: Hashimoto's disease

In some cases, anxiety signs and symptoms are the first indicators that you have a medical illness.

CNN: Anxiety

Without treatment, signs and symptoms gradually become more severe and your thyroid gland may become enlarged (goiter).

CNN: Hashimoto's disease

We physicians spend thousands of hours memorizing Latin words, learning to recognize signs and symptoms of illness.

FORBES: Do Starbucks Employees Have More Emotional Intelligence than Your Physician?

These signs and symptoms develop because this type of tumor produces an excess of chemical compounds called catecholamines.

CNN: Pheochromocytoma

According to these criteria, you must have certain signs and symptoms before a doctor diagnoses irritable bowel syndrome.

CNN: Irritable bowel syndrome

Following the incubation period, a sudden onset of flu-like signs and symptoms occurs.

CNN: Smallpox

The signs and symptoms are mainly those of an underactive thyroid gland (hypothyroidism).

CNN: Hashimoto's disease

These mutations result in signs and symptoms related to vision (ocular) and those related to skin (cutaneous), hair and iris color.

CNN: Albinism

First, of course, what are the clinical signs and symptoms of these diseases because few of us have ever seen cases?

CNN: Dr. William Hall: Medical impact of bioterrorism

In infants: Have signs and symptoms included problems with eating or breathing?

CNN: Hydrocephalus

Based on specific signs and symptoms, additional studies can pinpoint the cause.

CNN: Male hypogonadism

The best experimental model is the mouse, but infected mice may take two years to show signs and symptoms of prion diseases.

ECONOMIST: Mad cows

But as the disease progresses, you may develop more-obvious signs and symptoms.

CNN: Hashimoto's disease

There was also a lack of awareness of signs and symptoms of complications in children whose weight had dropped to seriously low levels.

BBC: Doctors 'miss' underweight children, UCL study suggests

Nobody knows exactly what causes the signs and symptoms of post-polio syndrome to appear so many years after the first episode of polio.

CNN: Post-polio syndrome

There are more than 70 types of primary immunodeficiency disorders, and signs and symptoms differ depending on the particular type of disorder you have.

CNN: Primary immunodeficiency

Market forces, mainly driven by the pharmaceutical industry, have turned each of the signs and symptoms of sedentary living into seemingly acceptable recognised "medical" diseases.

BBC: Laziness will send us to an early grave

Seek urgent medical care if you suddenly or frequently experience any of these signs and symptoms at a time when you wouldn't expect to feel them.

CNN: Heart arrhythmias

We are also providing training to health care providers to help them recognize the signs and symptoms of Alzheimer's disease and care for those who suffer from it.

WHITEHOUSE: The White House

How much will treatment improve my physical signs and symptoms?

CNN: Hirsutism