Type 2 diabetes
Genetic disorders are usually diagnosed by specialists after a person complains of symptoms. Occasionally, they may be diagnosed by geneticists, following a battery of tests.
Prickly heat can be diagnosed and treated by a dermatologist (skin disease specialist). The symptoms of a rash and dry skin in hot weather are usually sufficient to diagnose these conditions.
A fever is usually diagnosed using a thermometer.
Balanitis is usually diagnosed based on a brief physical examination.
That is true. It is usually used to treat skin conditions and certain cancers.
Usually not.
The term "hereditary disease" is usually used to refer to diseases which have a high likelihood of being inherited in one's offspring, usually by a predictable probability. For example, if you have Huntington's disease, there is a 50-50 chance that your child will have it. On the other hand, almost all diseases are more probable in the offspring of a person who has them than in the offspring of a person who does not. Thus, a tendency to develop a medical condition can run in families. Such conditions, however, are not usually referred to as hereditary diseases. For example, if you have allergies to pollens, then your children are more likely to develop such allergies, than are the children of your friend who does not have allergies.
People can be diagnosed with claustrophobia at any age. Usually people get claustrophobia when they are young.
Neurofibromatosis is usually diagnosed when the patient has 10 or more cafe-au-lait spots.
Vascular diseases are usually caused by conditions that clog or weaken blood vessels, or damage valves that control the flow of blood in and out of the veins, thus robbing them of vital blood nutrients and oxygen.
is usually diagnosed shortly after birth. In some people, it is not visible until they are older.