PFT (FeNo), in Guwahati

Fasting and dietary instructions:

No fasting is required for this test. However, as a general precaution, avoid alcohol and a heavy, fatty meal the evening before any blood test. These can temporarily alter several commonly tested markers even in tests that do not require strict fasting.

Medication guidance:

Continue taking all regular prescribed medication unless your doctor has specifically asked you to stop before this test. Inform the lab staff about all medications, supplements, and herbal remedies you are currently taking. Some substances affect specific test values, and this information helps your doctor interpret results accurately.

What to bring:

Bring your doctor's test requisition or prescription, a valid government-issued photo ID, and your health insurance card if you plan to use cashless OPD benefits. Wear clothing that allows easy access to the inside of your elbow , a short-sleeved top or a sleeve that can be rolled up comfortably.

Timing:

Morning appointments are recommended for most blood tests. Biological markers tend to be most stable before meals and physical activity, giving the most consistent, comparable results. Booking an early slot also means you can eat and resume normal activity sooner after the test.

When does a doctor order PFT (FeNo)?

PFT (FeNo) is ordered when a doctor needs objective laboratory data to support, confirm, or rule out a clinical diagnosis. It may also follow up on a previously abnormal result, assess your response to a new treatment, serve as a baseline before starting a medication that affects the measured marker, or form part of a pre-operative health assessment.

Who should get PFT (FeNo) done?

PFT (FeNo) is commonly used within asthma evaluation and pulmonary function testing panels to check airway inflammation. Doctors may order it for wheeze, chronic cough, or unexplained breathlessness. Adults above 30 benefit from including PFT (FeNo) in a periodic preventive health panel. People with chronic conditions such as diabetes, hypertension, or autoimmune disease, those on long-term prescription medication, and individuals with a relevant family history should have this test at the frequency their doctor recommends.

What happens after the results are ready?

Your doctor will interpret the results in the context of your symptoms, medical history, and risk factors. Results outside the normal range do not automatically indicate disease , they are a signal that requires clinical interpretation. GetVisit's digital report is saved to your health timeline and remains accessible and shareable at any time, making follow-up consultations more efficient.