Having a family history of Diabetes and gaining weight too fast is definitely a call for Diabetes. Here gaining weight is a symptom rather than a cause. That follows loss of weight. The commonly known symptom of Diabetes is excessive thirst and frequent urination. It is highly disturbing and distressing. Spend sleepless nights frequenting toilet. Unknowingly you may be drinking a lot of soft drinks of fruit juices. You feel very tired and exhausted. You feel so hungry that you eat anything any time. To sum up, Excessive Thirst, Excessive urination, Weakness and Loss of weight, Craving for food, are all classical symptoms of Diabetes. Intense itching in skin folds and in private parts raises suspicion of diabetes. Fungal infection of inner ear hints Diabetes, Cuts and wounds taking longer to heal may point to Diabetes. Diabetes also can present without symptoms. Diabetes sometimes is diagnosed casually when you test for blood sugar as part blood donation. Social awareness of Diabetes is such that everybody is tempted for testing blood sugar these days.