Does having a cold alter bloodwork? This is a common question that many people ask when they are scheduled for a blood test but are feeling under the weather. The answer is both yes and no, depending on the type of blood test and the severity of the cold. In this article, we will explore how a cold can affect bloodwork results and what you should consider if you are experiencing symptoms of a cold before your blood test.
A cold, which is typically caused by a viral infection, can lead to various physiological changes in the body. These changes can potentially impact the results of certain blood tests. One of the most common blood tests affected by a cold is a complete blood count (CBC). A CBC measures the levels of different types of blood cells, including red blood cells, white blood cells, and platelets. During a cold, the body’s immune system may respond by producing more white blood cells, which can cause the levels of white blood cells in your blood to appear elevated on a CBC. However, this does not necessarily indicate an infection, as the body’s response to a cold is different from that of a bacterial infection.
Another blood test that may be affected by a cold is the liver function test. A cold can cause inflammation in the liver, which may lead to elevated levels of certain enzymes, such as alanine aminotransferase (ALT) and aspartate aminotransferase (AST). However, these changes are usually temporary and should not significantly impact the overall interpretation of the test results.
It is important to note that not all blood tests will be affected by a cold. For example, blood tests that measure cholesterol levels, blood glucose levels, or thyroid function are unlikely to be influenced by a common cold. Furthermore, the impact of a cold on bloodwork results can vary from person to person, depending on the individual’s immune response and the severity of their cold symptoms.
If you are scheduled for a blood test and are feeling unwell with a cold, it is best to inform your healthcare provider. They may recommend waiting until you have recovered from the cold before undergoing the test, or they may proceed with the test and interpret the results with caution. In some cases, they may even repeat the test after you have recovered to ensure accurate results.
In conclusion, while having a cold can alter certain bloodwork results, the impact is usually minor and temporary. It is essential to communicate your cold symptoms to your healthcare provider to ensure that your blood test results are interpreted correctly. Remember, a common cold is a self-limiting condition, and your body will typically recover on its own without the need for medical intervention.
