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GTT- Glucose Tolerance Test
Overview
The Glucose Tolerance Test (GTT) is a diagnostic procedure used to assess how well your body processes glucose. It typically involves fasting overnight, followed by consuming a glucose-rich beverage. Blood samples are then taken at intervals—usually at fasting, 1 hour, and 2 hours after consuming the drink—to measure blood sugar levels. The results help diagnose conditions such as diabetes and prediabetes by evaluating how efficiently your body manages blood sugar over time. Elevated blood glucose levels at specific intervals can indicate impaired glucose tolerance or diabetes. The GTT is a valuable tool for understanding metabolic health and guiding appropriate treatment or lifestyle modifications.
Frequently Asked Questions
The GTT evaluates how well your body processes glucose to diagnose conditions like diabetes or prediabetes by measuring blood sugar levels at various intervals after consuming a glucose solution.
You should fast for at least 8-12 hours before the test. You can drink water, but avoid other beverages, foods, and medications unless instructed otherwise by your healthcare provider.
After fasting, you’ll drink a glucose solution. Blood samples will be taken at specific intervals—typically fasting, 1 hour, and 2 hours after drinking the solution—to measure your blood sugar levels.
The GTT is generally safe, but some people may experience mild discomfort, nausea, or dizziness from drinking the glucose solution. Rarely, more serious side effects can occur.
Normal results indicate your body processes glucose efficiently. Elevated blood sugar levels at specific times can suggest impaired glucose tolerance, prediabetes, or diabetes.
Why OrbitoAsia Diagnostics?
Orbito Asia Labs and Scans is a comprehensive healthcare imaging and diagnostic facility under one roof. It prides itself on providing the most advanced infrastructure, the best possible medical facilities, the most competitive prices, and thorough individualised attention so that the customer can have diagnostic tests performed in the most efficient and cost-effective manner at a single location by our experienced and certified physicians and friendly staff.
