Heat stroke symptoms include confusion, altered behavior, slurred speech, loss of coordination, seizures, fainting, and dangerously high body temperature. Skin may be hot and dry, but heavy sweating can also occur. Heat stroke is a life-threatening emergency: call emergency services and begin rapid cooling rather than waiting to see whether the person improves. How Can…
Skin cancer symptoms may include a changing mole, a new unusual spot, a sore that won’t heal, or a raised, scaly, bleeding, crusted, shiny, or scar-like area. Melanoma warning signs are often summarized by the ABCDE rule: asymmetry, border irregularity, color variation, diameter, and evolution. The most useful word is evolution. A spot that changes…
Bursitis symptoms often include localized pain, tenderness, swelling, warmth, and stiffness near a joint. Movement or direct pressure may worsen the discomfort. Repetitive kneeling, leaning, lifting, running, or lying on one side can irritate a bursa, but infection and injury may cause similar symptoms. What Is a Bursa and Why Does It Hurt? A bursa…
Emphysema symptoms commonly include gradually worsening shortness of breath, coughing, wheezing, chest tightness, and fatigue. The condition damages the lung’s air sacs and makes it harder to move old air out. Smoking is the leading cause, but long-term exposure to other irritants and certain genetic factors can also contribute. What Does Early Emphysema Feel Like?…
Ear infection symptoms may include ear pain, pressure, temporary hearing difficulty, fever, fluid drainage, irritability, and disturbed sleep. Young children may tug at an ear, cry more than usual, lose balance, or stop responding to quiet sounds because they cannot explain what hurts. What Does an Ear Infection Feel Like? Middle-ear infections commonly cause an…
Glaucoma symptoms are often absent during the early stages of the most common form. Vision may seem normal while optic-nerve damage develops gradually. Later, peripheral vision can narrow. A less common form called acute angle-closure glaucoma can cause sudden eye pain, redness, blurred vision, nausea, and requires emergency treatment. Why Is Glaucoma Called a Silent…
High cholesterol symptoms usually don’t exist. You generally cannot feel LDL cholesterol rising or plaque gradually forming inside arteries. A blood test is the dependable way to learn your cholesterol levels. Waiting for chest pain, leg discomfort, or stroke symptoms means waiting for a possible complication rather than identifying the risk itself. Are There Any…
Alzheimer’s symptoms usually develop gradually and affect more than occasional recall. Early changes may involve repeatedly forgetting recent information, struggling to find words, losing track of plans, or having difficulty completing familiar tasks. Later stages can affect communication, judgment, mobility, and basic personal care. How Do Early Alzheimer’s Symptoms Differ From Normal Forgetfulness? Everyone misplaces…
Most poliovirus infections cause no noticeable illness. When polio symptoms occur, they may begin with fever, sore throat, headache, tiredness, nausea, or stomach pain. A much smaller group develops meningitis, tingling, muscle weakness, or sudden flaccid paralysis. Unexplained limb weakness requires urgent assessment, especially after travel or incomplete vaccination. What are the mild early symptoms…
Early HIV symptoms may resemble influenza or another common viral illness. Possible signs include fever, chills, rash, night sweats, sore throat, fatigue, muscle aches, swollen lymph nodes, and mouth sores. Some people develop no symptoms, so testing—not symptom recognition—is the only way to determine HIV status. When can early HIV symptoms appear? Flu-like illness may…
