Browse Health Conditions
45 conditions and symptoms with recommended lab tests. Find the right tests for your health concerns.
Low Testosterone in Men
Low testosterone affects up to 40% of men over 45, causing fatigue, decreased sex drive, mood changes, and other symptoms that can impact quality of life.
Erectile Dysfunction
Erectile dysfunction is the persistent difficulty achieving or maintaining an erection sufficient for sexual activity, affecting approximately 18% of men in the U.S.
Signs of Thyroid Problems
Thyroid problems can cause a wide range of symptoms affecting metabolism, energy, mood, and overall well-being, from unexplained weight changes to persistent fatigue.
Hypothyroidism (Underactive Thyroid)
Hypothyroidism occurs when the thyroid gland doesn't produce enough thyroid hormones, affecting metabolism and energy levels throughout the body.
Hyperthyroidism (Overactive Thyroid)
Hyperthyroidism occurs when the thyroid gland produces excessive amounts of thyroid hormones, causing symptoms like rapid heartbeat, weight loss, and anxiety.
Hashimoto's Thyroiditis
An autoimmune condition where the immune system attacks the thyroid gland, often leading to hypothyroidism and related symptoms like fatigue, weight gain, and brain fog.
Common STD Symptoms and When to Get Tested
Many sexually transmitted infections cause no symptoms initially, making regular testing essential for anyone who is sexually active.
Chlamydia — Symptoms, Risks, and Testing
Chlamydia is the most commonly reported sexually transmitted infection in the U.S., often causing no symptoms but potentially leading to serious reproductive health complications if left untreated.
Herpes (HSV-1 & HSV-2)
Herpes is a common viral infection caused by two types of herpes simplex viruses that can affect the mouth or genitals.
HIV Testing — When, Why, and How
Understanding HIV testing options, timing, and what results mean can help individuals make informed decisions about their health and protection strategies.
Hepatitis B
A viral liver infection that can become chronic and lead to serious complications. Testing and early detection are important for proper management and preventing transmission.
Hepatitis C — Who Should Get Tested
Hepatitis C is a viral infection that often causes no symptoms initially but can lead to serious liver damage. Testing helps identify infection early when treatment is most effective.
High Cholesterol
High cholesterol is when you have too much cholesterol in your blood. It can increase your risk of having a heart attack or stroke.
Prediabetes and Diabetes Risk
A condition where blood sugar levels are higher than normal but not yet diabetic, affecting more than 2 in 5 adults.
Heart Disease Risk Factors and Screening
Heart disease affects millions of adults and can be assessed through key biomarkers like cholesterol, inflammation markers, and blood sugar levels.
Chronic Fatigue — Could It Be Something Medical?
Chronic fatigue that persists for weeks or months may signal an underlying medical condition that can often be identified through targeted lab testing.
Iron Deficiency and Anemia
Iron deficiency anemia is the most common type of anemia worldwide, causing tiredness and shortness of breath when the body lacks adequate iron to produce healthy red blood cells.
Vitamin D Deficiency
Vitamin D deficiency is a common nutritional condition that can affect bone health, immune function, and overall well-being, often developing without obvious symptoms.
Vitamin B12 Deficiency
Vitamin B12 deficiency can cause fatigue, anemia, nerve problems, and cognitive issues when the body lacks this essential vitamin needed for red blood cells and nerve function.
Unexplained Weight Gain
Gaining weight without changes to diet or exercise can signal hormonal imbalances or other underlying health conditions that lab testing can help identify.
Unexplained Weight Loss
Significant weight loss without intentional diet or exercise changes can signal underlying health conditions that may require medical evaluation and testing.
Hair Loss — Possible Medical Causes
Hair loss affects millions of people and can result from various medical conditions including thyroid disorders, iron deficiency, hormone imbalances, and nutritional deficiencies.
Female Infertility — Understanding Testing Options
Female infertility affects approximately 10-15% of women of reproductive age and can result from various hormonal, structural, or unexplained causes that affect the ability to conceive or carry a pregnancy to term.
Male Infertility — Hormones and Testing
Male infertility affects about 50% of couples struggling to conceive, often involving hormonal imbalances that can be identified through targeted lab testing.
PCOS (Polycystic Ovary Syndrome)
A common hormonal condition affecting reproductive-aged women, causing irregular periods, excess male hormones, and potential fertility challenges.
Menopause and Perimenopause — Hormone Testing
Understanding hormonal changes during the menopause transition and finding the right tests to evaluate symptoms and plan for health.
High Cortisol and Chronic Stress
High cortisol levels from chronic stress can impact your physical and mental health, causing symptoms like weight gain, sleep problems, and mood changes.
Estrogen Imbalance in Women
Estrogen imbalance can cause irregular periods, mood changes, weight fluctuations, and other symptoms that may affect a woman's reproductive health and overall well-being.
Signs of Liver Problems
Early signs of liver problems can include fatigue, abdominal discomfort, yellowing of skin or eyes, and changes in urine or stool color. Understanding these symptoms can help identify liver issues before they become serious.
Kidney Disease — Risk Factors and Screening
Chronic kidney disease affects over 35 million Americans, but many don't know they have it. Early screening and detection can help prevent progression and protect kidney health.
Gout
Gout is a form of inflammatory arthritis caused by high uric acid levels that form painful crystals in joints, most commonly affecting the big toe.
Rheumatoid Arthritis Testing
Rheumatoid arthritis is an autoimmune condition causing joint pain, stiffness, and swelling. Early diagnosis through lab testing can help guide treatment decisions.
Lupus (SLE) - Systemic Lupus Erythematosus
Lupus is an autoimmune disease where the immune system attacks healthy tissues, causing widespread inflammation throughout the body.
Celiac Disease
An autoimmune disorder where consuming gluten damages the small intestine, affecting 1% of people and often going undiagnosed for years.
Lyme Disease
A tick-borne bacterial infection that progresses through three stages if untreated, causing symptoms ranging from characteristic rash and flu-like illness to severe neurological and joint complications.
Prostate Health — PSA Screening and What It Means
Understanding PSA levels and prostate health concerns, including enlarged prostate and cancer screening recommendations for men over 40.
Ovarian Cancer Screening — CA-125 and Beyond
Understanding the role of CA-125 testing and other blood markers in detecting ovarian cancer, plus when screening may be appropriate for high-risk women.
Food Allergies and Intolerances
Food allergies and intolerances can cause uncomfortable or serious reactions after eating certain foods, but diagnostic lab testing can help identify triggers.
Seasonal and Environmental Allergies
Seasonal allergies, also called allergic rhinitis or hay fever, affect millions of people when their immune systems overreact to environmental triggers like pollen, mold, or dust.
Lead Exposure — Risk Factors and Testing
Lead exposure can cause serious health problems affecting the brain, nervous system, and organs, with symptoms often appearing gradually or remaining undetected.
What to Know Before a Drug Test
Understanding drug test types, detection windows, privacy protections, and how to prepare can reduce anxiety and help you approach testing with confidence.
Insulin Resistance — The Silent Precursor to Diabetes
Insulin resistance occurs when cells become less responsive to insulin, potentially leading to prediabetes and type 2 diabetes if left unmanaged.
High Blood Pressure — Lab Tests That Help
Laboratory tests can help evaluate cardiovascular risk, identify underlying causes of high blood pressure, and assess potential organ damage.
Low Libido in Women — Hormonal Causes
Decreased sexual desire in women can often be linked to hormonal changes including low estrogen, testosterone, thyroid dysfunction, or elevated prolactin and cortisol levels.
Low Libido in Men — Is It Hormonal?
When men experience a persistent decline in sexual desire, hormonal imbalances may be the underlying cause.