Diabetes mellitus is a disease characterized by persistent hyperglycemia it is a metabolic disease caused due to the imbalance in the blood sugar level that requires medical diagnosis, treatment and immediate controlling with some precautions.

Type 1: This form is known as insulin dependent diabetes because in this form the diabetic person needs to have daily injections of insulin.

Type 2: This form is known as noninsulin-dependent. As it is slow onset and because it can usually be controlled with diet and oral medication.

Individuals who are at high risk of developing diabetes mellitus include people who:

- Are obese (more than 20% above their ideal body weight) 
- Have a relative with diabetes mellitus 
- Belong to a high-risk ethnic population (African-American, Native American,  
   Hispanic, or Native Hawaiian) 
- Have been diagnosed with gestational diabetes or have delivered a baby 
   weighing more than 9 lbs (4 kg) 
- Have high blood pressure (140/90 mmHg or above) 
- Have a high density lipoprotein cholesterol level less than or equal to 35 mg/dL 
   and/or a triglyceride level greater than or equal to 250 mg/dL 
- Have had impaired glucose tolerance or impaired fasting glucose on previous    testing. 

Other then those symptoms most commonly experienced problems for a person suffering from Diabetes:

Recognize early Symptoms diabetes: As we know diabetes is a gradually going disease hence, it expresses some early symptoms for its presence.

Rapid weight loss: Early diabetes is often revealed through unexplained weight loss. Diabetic cases even if they ate more, still there’ll be weight loss.

Frequent urination: The kidneys have to work overtime in order to purify the body of excess sugar in the case of diabetes which increases in the frequency of urination. Due to this it leads to dehydration, which causes health problems.

Thirst: The loss of water in the body due to dehydration and excess sugar can trigger thirst. Fatigue is experienced as a result of access dehydration and glucose loss.

Blurred vision: The rise in blood sugar levels causes changes in the fluids found in the eyes, which affects the diabetic’s vision.

 
Diagnosis

Diabetes can be pre-diagnosed mainly on the basis of symptoms. Urine tests and blood tests can be used to confirm diagnose of diabetes based on the amount of glucose in the urine and blood. Urine tests can also detect ketones and protein in the urine which may help diagnose diabetes and assess how well the kidneys are functioning. Standardized diet, oral medications, or insulation is done after that periodic tests can also be used to monitor the disease.