Diabetes mellitus is a metabolic condition that leads to high blood sugar. It includes several types with different causes. Knowing the common signs, risk factors and basic self-care steps helps you understand when to see a clinician and how to reduce long-term impact.
Diabetes is classified by how the body produces or responds to insulin. Type 1 usually involves immune-related loss of insulin production. Type 2 often begins with insulin resistance and may progress to reduced insulin secretion; age, genetics, excess weight and inactivity raise risk. Gestational diabetes appears during pregnancy and typically needs follow-up after delivery.
Common symptoms include frequent urination, excessive thirst, persistent fatigue, blurred vision, slow-healing wounds and numbness or tingling in hands or feet. Seek immediate emergency care for sudden severe signs such as difficulty breathing, fainting or confusion, chest pain, repeated severe vomiting or sudden intense abdominal pain.
Everyday management focuses on factors that influence blood glucose: balanced diet, regular physical activity, maintaining a healthy weight, avoiding tobacco and attending regular medical follow-up. Foot care, routine eye checks and dental care are important. Diabetes education and support from a dietitian can help set realistic, sustainable goals. Specific monitoring and follow-up plans should come from a health professional.
Over time, poorly controlled blood sugar can affect the eyes, kidneys, nerves and heart and blood vessels. Care often involves primary care plus specialists such as endocrinologists/diabetologists, ophthalmologists for retinal checks, nephrologists for kidney monitoring, cardiologists and teams for foot care or wound management. Regular screening and early intervention reduce complication risks.
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