Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Symptoms

  • Many women experience abnormal vaginal bleeding or spotting between periods sometime in their lives. Vaginal bleeding is considered to be abnormal if it occurs: When you are not expecting your menstrual period. When your menstrual flow is lighter or heavier than what is normal for you. At a time in life when it is...

  • Many people with Alzheimer's disease or another dementia can become agitated or upset easily. It may be helpful to: Keep distractions to a minimum. Keep noise levels low and voices quiet. Develop simple daily routines for bathing, dressing, eating,...

  • Learn ways to manage nausea and loss of appetite from cancer treatments.

  • Aura is the term used to describe symptoms that may occur before a seizure. An aura may include: Visual changes. Examples include: Bright lights. Zigzag lines. Slowly spreading spots. Distortions in the size or shape of objects. Blind or dark spots in the field of vision. Hearing voices or sounds (auditory...

  • Your heart normally beats in a regular rhythm and rate that is just right for the work your body is doing at any moment. The usual resting heart rate for adults is between 50 to 100 beats per minute. Children have naturally higher normal heart rates...

  • Discusses possible causes of chest pain, which include angina, heart attack, pneumothorax, or chest wall pain. Covers heart attack symptoms. Includes interactive tool to decide when to seek care. Offers home treatment and prevention tips.

  • Discusses fevers in children age 11 and younger. Includes info on temperatures considered normal, mild fever, or high fever. Offers home treatment tips to reduce fever. Includes interactive tool to help you decide when to call a doctor.

  • Discusses fevers in those age 12 and older. Includes info on temperatures considered normal, mild fever, or high fever. Covers causes of fever and offers home treatment tips. Includes interactive tool to help you decide when to see a doctor.

  • Many prescription and nonprescription medicines can cause confusion or make you less alert. A few examples are: Antidepressants. Antihistamines. Opioid pain medicines. Sedatives and tranquilizers. Medicines for bladder control problems (anticholinergics). Contact your doctor before you stop taking or reduce the...

  • Many health problems cause confusion or decreased alertness. It is not unusual for a person who is sick to be sleepy or confused when he or she wakes up. But extreme sleepiness may be a symptom of a more serious health problem. Confusion may range from mild to severe. Symptoms of confusion may include...

  • Sadness and yearning for a loved one, an object, or a way of life you have lost are the most common and expected feelings that occur after any loss. Probably the best thing you can do to cope with your sadness and yearning is to talk about how you...

  • Covers when feelings of sadness or anxiety may indicate need for treatment for depression. Offers tips to help with depression. Explains emergency symptoms, like talk about suicide. Includes interactive tool to help you decide when to call a doctor.

  • Learn how to recognize stroke symptoms and know when to call.

  • Learn the symptoms of stroke and why it's important to call emergency services right away.

  • Many prescription and nonprescription drugs can cause weakness and fatigue. A few examples are: Antianxiety medicines. Antidepressants. High blood pressure medicines. Statin medicines for high cholesterol. If you think a prescription or nonprescription medicine may be causing your weakness or fatigue, call your...

  • Weakness and fatigue are terms that are often used as if they mean the same thing. But in fact they describe two different sensations. It is important to know exactly what you mean when you say "I feel weak" or "I am fatigued" because it can help you and your doctor narrow down the possible causes of your symptoms...

  • This article covers the basics of COVID-19, including common symptoms, treatment, the course of the disease, and how to care for yourself.

  • Find out what COVID-19 is, how it's spread, its symptoms, and how to protect yourself and others.

  • Learn how to take care of yourself if you have COVID-19 and find out ways to prevent spreading it to others.

  • Learn how to take care of yourself if you have been exposed to COVID-19 and find out ways to prevent spreading it to others.

  • Learn what social distancing means and why it's important to keep your distance.

  • Discover things you can do to while keeping a social distance.

  • Learn the 5 steps to hand-washing.

  • The coronavirus disease (COVID-19) is caused by a virus. It is an illness that was first found in Wuhan, China, in December 2019. It has since spread worldwide. The virus can cause fever, cough, and trouble breathing. In severe cases, it can cause pneumonia and make it hard to breathe without help. It can cause...

  • During the coronavirus outbreak, learn what to do if you do if you feel sick.

  • Take a minute to find out what it means when you have a fever.

  • Discusses fevers in children age 11 and younger. Includes info on temperatures considered normal, mild fever, or high fever. Offers home treatment tips to reduce fever. Includes interactive tool to help you decide when to call a doctor.

  • Discusses fevers in those age 12 and older. Includes info on temperatures considered normal, mild fever, or high fever. Covers causes of fever and offers home treatment tips. Includes interactive tool to help you decide when to see a doctor.

  • Short-term, mild reactions to immunizations are common. Immunizations that may cause a fever include: Diphtheria, tetanus, acellular pertussis (DTaP) or diphtheria, pertussis, tetanus (DPT). Babies can have a fever of up to 104 F (40 C) within 2 to 3 hours of getting the DTaP or DPT shot. Children may be fussy...

  • A sponge bath may be given if: Your child's fever is 104 F (40 C) or higher and Acetaminophen or ibuprofen has not lowered the temperature and Your child is very uncomfortable. Give your child an appropriate dose of acetaminophen or ibuprofen before giving him or her a sponge bath. Wait 30...

  • Aspirin (such as Bayer or Bufferin) relieves pain and reduces fever and inflammation. Warning: Do not give aspirin to anyone younger than 20 unless your doctor tells you to do so because of the risk of Reye syndrome. Be sure to follow the nonprescription medicine precautions. Aspirin is a nonsteroidal...

  • It is not unusual to develop a viral illness that causes a fever during pregnancy or after your delivery. Mild fevers that last only a short time usually are not a concern. An ongoing fever that does not get better with home treatment, such as taking acetaminophen, or that does not improve after several days may mean...

  • You can take a temperature using the mouth (oral), anus (rectal), armpit (axillary), or ear (tympanic). But the temperature readings vary depending on which one you use, and you need an accurate body temperature to determine if a fever is present. Medical research hasn't determined an exact correlation between...

  • In Parkinson's disease, freezing (sometimes called motor block) is a sudden, brief inability to start movement or to continue rhythmic, repeated movements, such as finger-tapping, writing, or walking. Freezing most often affects walking, but it also...

  • Most women have an increased urge to urinate during pregnancy. This is a normal body response related to hormone changes that occur during pregnancy and to physical pressure on the bladder. Bladder infections are more common during pregnancy. When a bladder infection develops during pregnancy, you may have discomfort...

  • What are voice problems? Voice problems usually include pain or discomfort when you speak or difficulty controlling the pitch, loudness, or quality of your voice. As you exhale, air gently passes through your throat, across your open vocal cords, and out your mouth and nose. When you speak, your vocal cords close...

  • A hot flash is a sudden sensation of intense body heat, often with profuse sweating and reddening of the head, neck, and chest. These symptoms can occur with mild to severe heart palpitations, anxiety, irritability and, rarely, panic. Hot flashes are the most common symptom of a woman's changing estrogen levels around...

  • Hot flashes and night sweats are common in cancer patients and survivors. A hot flash is a sudden warm feeling over your face, neck, and chest that may cause you to sweat and your face to turn red. Sweating is your body's way of lowering body temperature by causing heat loss through your skin. Hot flashes combined...

  • Discusses options for managing perimenopause- and menopause-related hot flashes. Explains what hot flashes are. Discusses lifestyle changes that may help hot flashes. Looks at hormone therapy (HT) and treatment with medicines and herbs.

  • Hyperactivity refers to inappropriate or excessive activity for a person's age or situation. Hyperactivity is not always a continuous behavior, as is often assumed. A person who has attention deficit hyperactivity disorder (ADHD) with hyperactivity...

  • Impulsivity Impulsivity refers to acting without thinking first. Impulsivity in a person who has attention deficit hyperactivity disorder (ADHD) is highly likely to continue into adulthood. People with symptoms of impulsivity often: Are impatient...

  • Impulsivity Impulsivity refers to acting without thinking first. Impulsivity in a person who has attention deficit hyperactivity disorder (ADHD) is highly likely to continue into adulthood. People with symptoms of impulsivity often: Are impatient...

  • Attention deficit hyperactivity disorder (ADHD) in an adult is often not noticed because the person may maintain relationships and hold a steady job. It is not unusual for a parent to discover he or she has ADHD when his or her child is diagnosed with the disorder. The key to the diagnosis of ADHD for an adult is...

  • Home remedies may relieve itching. To relieve itching Avoid further contact with whatever you suspect is causing the itching. Keep the itchy area cool and wet. Apply a washcloth that has been soaked in ice water, or get in a cool tub or shower. But remember that repeated wetting and drying will...

  • Some changes in your feet and ankles are normal during pregnancy. These symptoms occur from normal hormonal changes and increased body weight and usually go away after delivery. Many women see a change in shoe size during pregnancy and that may not...

  • Pruritus is an itchy feeling that makes you want to scratch your skin. It may occur without a rash or skin lesions. Pruritus sometimes feels like pain because the signals for itching and pain travel along the same nerve pathways. Scratching may cause breaks in the skin, bleeding, and infection. If your skin feels itchy...

  • Hydrocortisone cream, gel, or ointment is available without a prescription. It is commonly used to treat skin inflammation and itching. Precautions Carefully read and follow all label directions on the medicine bottle or box. Do not use the cream on children younger than age 2 unless your doctor tells...

  • Guides you through how to control itching when you or your child has chickenpox (varicella) rash. Includes home treatment with baths, over-the-counter medicines, and lotions. Covers avoiding scratching to prevent infection and scarring.

  • Ask yourself some questions to see whether you smoke to relieve tension, irritability, and stress or to improve your mood. Does smoking a cigarette automatically come to mind when you are frustrated, angry, or sad? Does smoking a cigarette calm you when you are upset? Do you smoke more cigarettes when you are under...

  • It is normal for your growing child to be moody or somewhat irritable as he or she moves through adolescence. But symptoms of prolonged sadness or irritability and a loss of pleasure in activities the child enjoyed before can point to depression....

  • Night sweats are heavy sweating during sleep.This kind of sweating is different than the occasional sweating people have from sleeping deeply, being in a warm room, or having too many blankets. Night sweats are often so heavy that your clothing and...

  • Hot flashes and night sweats are common in cancer patients and survivors. A hot flash is a sudden warm feeling over your face, neck, and chest that may cause you to sweat and your face to turn red. Sweating is your body's way of lowering body temperature by causing heat loss through your skin. Hot flashes combined...

  • Pain can be caused by many things, such as an injury, a surgery, or a health problem like low back pain or cancer. Long-term pain that isn't controlled can make it harder to enjoy life. But there are ways you can learn to manage pain. And managing pain can have a lot of benefits, like being able to do more activities or...

  • Learn how you can work with your doctor and care team to manage pain while in the hospital.

  • A pain diary may help you and your doctor find out what makes your pain better or worse. Use the diary and pain scale below to keep track of when you have pain, how bad it is, and what you are doing to treat it. This figure has been reproduced with...

  • Aspirin (such as Bayer or Bufferin) relieves pain and reduces fever and inflammation. Warning: Do not give aspirin to anyone younger than 20 unless your doctor tells you to do so because of the risk of Reye syndrome. Be sure to follow the nonprescription medicine precautions. Aspirin is a nonsteroidal...

  • If you develop symptoms of a sexually transmitted infection (STI), it is important to be evaluated by a health professional soon after your symptoms start. Symptoms of an STI include: A change in vaginal discharge (thicker, discolored, or bad-smelling) over a period of several days to 2 weeks. Pain, burning, or...

  • Urinary problems and injuries are a concern in children. A young child may not be able to tell you about his or her symptoms, which can make it hard to decide what your child needs. An older child may be embarrassed about his or her symptoms. When your child has a urinary problem or injury, look at all of his or her...

  • Most people will have some kind of urinary problem or injury in their lifetime. Urinary tract problems and injuries can range from minor to more serious. Sometimes, minor and serious problems can start with the same symptoms. Many urinary problems and injuries are minor, and home treatment is all that is needed to...

  • Sadness and yearning for a loved one, an object, or a way of life you have lost are the most common and expected feelings that occur after any loss. Probably the best thing you can do to cope with your sadness and yearning is to talk about how you...

  • Covers heartburn and when symptoms may be caused by a more serious problem like gastroesophageal reflux disease (GERD). Offers home treatment and prevention tips. Discusses emergencies. Includes interactive tool to help you decide when to call a doctor.

  • Discusses swelling symptoms caused by collection of body fluid, tissue growth, or abnormal movement or position of tissue. Includes swelling caused by disease, allergic reaction, and circulation problems. Covers legs, feet, hands, and other body areas.

  • A person with multiple sclerosis (MS) may have difficulty emptying the bladder completely, because the muscle that helps to retain urine cannot relax (a form of spasticity). Sometimes urination can be stimulated by pressing or tapping the bladder...

  • Some people who have a stroke suffer loss of bladder control (urinary incontinence) after the stroke. But this is usually temporary. And it can have many causes, including infection, constipation, and the effects of medicines. If you have problems...

  • A vaginal discharge is common for most women. Discharge may be more noticeable during the middle of the menstrual cycle ( ovulation). Some women even find it necessary to wear a pad or panty liner because of the amount of discharge. Normal vaginal discharge: Does not smell bad. Is not accompanied by pain, itching...

  • If you develop symptoms of a sexually transmitted infection (STI), it is important to be evaluated by a health professional soon after your symptoms start. Symptoms of an STI include: A change in vaginal discharge (thicker, discolored, or bad-smelling) over a period of several days to 2 weeks. Pain, burning, or...

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