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Tag: Lab tests

Explore our medication guides and pharmacology articles within this category.

How long does it take for biotin to clear the body?

4 min read
With a typical half-life of around two hours, biotin, a water-soluble vitamin, is eliminated relatively quickly from the body. The total clearance time, however, depends significantly on the dose ingested and a person's kidney function, and understanding this process is crucial for avoiding interference with lab tests.

Does naproxen affect CRP levels? Understanding its Specific Impact on Inflammatory Markers

7 min read
In a meta-analysis involving multiple clinical trials, naproxen was uniquely associated with a significant decrease in C-reactive protein (CRP) levels, distinguishing its effect from the broader class of nonsteroidal anti-inflammatory drugs (NSAIDs). This crucial finding directly answers the question: does naproxen affect CRP levels, and highlights the importance of considering specific drug properties in pharmacological analysis.

Understanding the Safety: Can You Take Biotin With Cholesterol Medication?

4 min read
According to the U.S. Food and Drug Administration (FDA), high-dose biotin supplements can interfere with laboratory test results, potentially leading to misdiagnoses in serious conditions. This interference is a critical concern for anyone asking, **can you take biotin with cholesterol medication**, as it can impact the accuracy of heart and thyroid-related tests.

Can Vitamin B12 Cause a False Positive on Drug or Medical Tests?

3 min read
According to Boston Medical Center research, drug tests produce false positive results in 5% to 10% of cases. While pure vitamin B12 itself is generally not the direct cause, a false positive is a valid concern for individuals taking certain supplements containing B12, as other ingredients can interfere with common drug and medical tests.

How do you know if you're getting too much biotin?

3 min read
While true biotin deficiency is rare, the use of high-dose biotin supplements has increased dramatically in recent years. For those taking supplements for hair, skin, and nails, it is important to know if you're getting too much biotin and the potential consequences of over-supplementation.

When to Avoid Biotin: Risks, Interference, and Cautions

4 min read
Over 50% of immunoassay tests reviewed in one study relied on biotin-based methods, making high-dose biotin a significant cause of skewed lab results. Given this, it is critical to understand **when to avoid biotin**, especially before undergoing common medical tests, to prevent misdiagnosis and ensure appropriate treatment.