Signs & Symptoms

Read articles on Signs and Symptoms to help identify early warning signs of health conditions and take timely action for better prevention and care.


  • Coronary Artery Spasm

    Coronary Artery Spasm

    What is a coronary artery spasm? A Coronary artery spasm occurs when the muscular wall of a heart artery suddenly tightens. This abrupt contraction causes the artery to narrow, temporarily limiting or blocking blood flow to the heart muscle. Although these episodes are usually short-lived, a coronary artery spasm can sometimes result in serious heart-related complications, including a heart attack. Individuals who already have cardiovascular risk factors—such as high cholesterol…

  • Amarillo, verde, marrón y más: ¿Qué significa el color de mi mucosidad?

    Amarillo, verde, marrón y más: ¿Qué significa el color de mi mucosidad?

    Por qué cambia el color de la mucosidad Si alguna vez has tenido secreción nasal o has estornudado sin pañuelo, probablemente te has encontrado observando tus mocos de cerca. Seguramente has notado que su color o textura varían con el tiempo. La mucosidad puede ser transparente, verde, negra o pasar por una amplia gama de tonos intermedios. La mucosidad protege la nariz y los senos paranasales frente a partículas como…

  • What Causes Dark Eyelids and How Are They Treated?

    What Causes Dark Eyelids and How Are They Treated?

    The delicate skin around your upper eyelids can sometimes appear darker or bruised. If you’ve ever wondered, Why is my eyelid bruise for no reason, the answer often lies in changes affecting your blood vessels, pigmentation, minor unnoticed trauma, or even congenital conditions present from birth. It’s possible to experience both darkened eyelids and under-eye circles simultaneously, though one can occur without the other. These concerns are not always directly…

  • What Causes Dizziness and Fatigue? 9 Possible Causes

    What Causes Dizziness and Fatigue? 9 Possible Causes

    Many different health issues — from ear infections to low blood sugar — can leave you feeling light headed and tired all the time. In some cases, these sensations are short-lived. In others, they may return periodically or persist until the underlying cause is treated. (img by MD Live) Dizziness is a broad term used to describe a sense of spinning, imbalance, or disorientation. If you’re trying to explain your…

  • Treatments for Dizziness

    Treatments for Dizziness

    Understanding how to stop feeling dizzy starts with identifying what’s triggering the sensation. In many cases, you can find short-term relief by drinking water, resting in a safe position, moving slowly, and avoiding known triggers. However, dizziness itself is not a standalone medical condition — it is a symptom that signals an underlying issue. Because dizziness can stem from a variety of causes, treatment depends on the specific reason behind…

  • Dosage Details for Eliquis (Apixaban)

    Key takeaways Eliquis is prescribed to treat or prevent blood clots and to reduce the risk of stroke in certain adults. Its dosage varies based on the condition being treated and other individual factors. The standard Eliquis dosage for stroke prevention in adults with atrial fibrillation is 5 milligrams (mg) taken twice daily. Get immediate medical care if you suspect an Eliquis overdose, as it may lead to severe bleeding…

  • Side Effects of Eliquis: What You Need to Know

    Key takeaways Eliquis isn’t known to cause any distinct side effects specifically in elderly adults (ages 65 years and older). However, children who took Eliquis in studies reported higher rates of headache and vomiting compared with other age groups. Eliquis 5 mg side effects and other dose-related reactions are generally more likely at higher dosages. For instance, someone taking 2.5 or 5 mg twice a day may face a lower…

  • New COVID Variant Nimbus May Cause Painful ‘Razor Blade Throat’ Symptom

    New COVID Variant Nimbus May Cause Painful ‘Razor Blade Throat’ Symptom

    (As the Nimbus variant increases in the U.S., many are reporting an unusually intense sore throat, described as feeling like swallowing razor blades. Ozgur Cankaya/Getty Images) The Nimbus variant of COVID-19 is increasing nationwide, with many people describing a painful symptom they call “razor blade throat.” If you develop a severe sore throat, testing is important to rule out strep throat and prevent serious complications. COVID-19 prevention strategies such as…

  • COVID-19 Cases Rising As New ‘Stratus’ XFG Variant Emerges: What to Know

    COVID-19 Cases Rising As New ‘Stratus’ XFG Variant Emerges: What to Know

    (New CDC data indicate that “Stratus” has become the predominant variant in the United States. Rifka Hayati/Getty Images) A recent rise in COVID-19 cases has been associated with a new Omicron subvariant XFG, commonly referred to as “Stratus.” Updated CDC data suggest that “Stratus” is now the predominant variant circulating in the United States. As of August 5, CDC figures show that COVID-19 cases are increasing across 45 states. With…

  • As Earth Hits New Heat Records, How Hot is Too Hot for Humans?

    As Earth Hits New Heat Records, How Hot is Too Hot for Humans?

    (Heat waves have impacted large areas of the U.S. this summer. Researchers continue studying how elevated temperatures influence the human body. Aleksandar Nakic/Getty Images) Evidence suggests that the upper temperature limit for humans likely falls between 40°C (104°F) and 50°C (122°F). Severe heat forces the body to work harder to maintain normal function and may result in heat-related illness or even death. High-risk groups, including older adults and people with…