Symptoms of Diabetes:

Frequent urination
Increased thrist
Extreme tiredness
Weight loss (in spite of increased appetite)
Blurred vision
Slow-healing infections or wounds
Pain, numbness of tingling in the feet
Stomach pain
Vomiting
Rapid, shallow breathing
Sexual problems (impotence in men decrease in vaginal fluids in women)

 
Other signs that may indicate possible diabetes are:
Low levels of high-density lipoproteins in the blood
High triglyceride levels

Symptoms can appear suddenly or over time. And, it’s unlikely that anyone would have all of these symptoms. It is possible to have type 2 diabetes with no early symptoms.