Influenza Related Diseases & Conditions

Medical conditions are often related to other diseases and conditions. Our doctors have compiled a list of ailments related to the topic of Influenza. These conditions may be a cause or symptom of Influenza or be a condition for which you may be at increased risk.

  • Upper Respiratory Tract Infection An upper respiratory infection is a contagious infection of the structures of the upper respiratory tract, which includes the...learn more »
    In This Article
    Upper Respiratory Tract Infection Article
    • Upper respiratory infection facts
    • What is an upper respiratory infection?
    • Is an upper respiratory infection contagious?
    • What are the causes of upper respiratory infection?
    • What are the risk factors for upper respiratory infection?
    • What are the symptoms of upper respiratory infection?
    • When should you seek medical care for upper respiratory infection?
    • How is an upper respiratory infection diagnosed?
    • What is the treatment for upper respiratory infection?
    • What are some of the home remedies for upper respiratory infection?
    • What are some data on alternative therapies in treating upper respiratory infections?
    • What are the complications of an upper respiratory infection?
    • Can an upper respiratory infection be prevented?
    • What is the outlook for a patient suffering from an upper respiratory infection?
  • Headache Headaches can be divided into two categories: primary headaches and secondary headaches. Migraine headaches, tension headaches,...learn more »
    In This Article
    Headache Article
    • Headache facts
    • What is a headache?
    • How are headaches classified?
    • What are primary headaches?
    • What are secondary headaches?
    • What are cranial neuralgias, facial pain, and other headaches?
    • What causes tension headaches?
    • What are the symptoms of tension headaches?
    • How are tension headaches diagnosed?
    • How are tension headaches treated?
    • What causes cluster headaches?
    • What are the symptoms of cluster headaches?
    • How are cluster headaches diagnosed?
    • How are cluster headaches treated?
    • Can cluster headaches be prevented?
    • What diseases cause secondary headaches?
    • How are secondary headaches diagnosed?
    • What are the exams and tests for secondary headaches?
    • When should I seek medical care for a headache?
  • Sore Throat (Pharyngitis) Most sore throats are caused by viruses or mechanical causes (such as mouth breathing) and can be treated successfully at home....learn more »
    In This Article
    Sore Throat (Pharyngitis) Article
    • Sore throat facts
    • What causes a sore throat?
    • What are the symptoms of a sore throat?
    • How long should a sore throat last?
    • What are home remedies for a sore throat?
    • What is strep throat and why is it different?
    • When should I seek medical care for a sore throat?
    • What is the treatment for sore throat?
    • What if I have multiple recurrent episodes of strep throat?
    • What can I do if I have a sore throat and am pregnant?
  • Listeria Listeria is a type of bacteria that can cause food poisoning. Listeriosis symptoms include diarrhea, nausea and fever. Pregnant...learn more »
    In This Article
    Listeria Article
    • Listeriosis (Listeria monocytogenes infection) facts
    • What is listeriosis? What causes listeriosis?
    • What are listeriosis symptoms and signs?
    • What are the risk factors for listeriosis?
    • How is listeriosis diagnosed?
    • What is the treatment for listeriosis?
    • How does a person get listeriosis?
    • Can listeriosis be prevented?
    • What is the prognosis (outcome) for Listeria infections?
    • If a person has eaten recalled food potentially contaminated with Listeria, what should he or she do?
    • What is the government doing about listeriosis?
  • Eustachian Tube Problems (Problems Clearing Your Ears) The Eustachian tube is a membrane lined tube that connects the middle ear space to the back of the nose. Problems include partial...learn more »
    In This Article
    Eustachian Tube Problems (Problems Clearing Your Ears) Article
    • What is the Eustachian tube?
    • What are the functions of the Eustachian tube?
    • What can cause Eustachian tube blockage?
    • How do changes in altitude or air travel affect Eustachian tube problems?
    • How is Eustachian tube blockage treated?
    • Eustachian Tube Problems At A Glance
  • Bronchitis (Acute) Bronchitis is inflammation of the airways in the lung. Acute bronchitis is is short in duration (10 to 20 days) in comparison...learn more »
  • Fatigue Fatigue can be described in various ways. Sometimes fatigue is described as feeling a lack of energy and motivation (both mental...learn more »
    In This Article
    Fatigue Article
    • Fatigue Facts
    • Fatigue introduction
    • What causes fatigue?
    • What are the signs and symptoms of fatigue?
    • How is the cause of fatigue diagnosed?
    • What is the treatment for fatigue?
    • Can fatigue be prevented?
  • Mercury Poisoning Mercury is a naturally occurring element found in water, soil, and the air. Mercury is also contained in some fish, some of the...learn more »
    In This Article
    Mercury Poisoning Article
    • Mercury poisoning facts*
    • Mercury introduction
    • General information about mercury and mercury exposure
    • What are the health effects and symptoms of mercury exposure or poisoning?
    • What about mercury in batteries?
    • What about mercury in dental amalgam?
    • What about mercury in fish?
    • What about mercury in fluorescent light bulbs?
    • What about thimerosal in vaccines?
    • What about mercury in thermometers for fever?
    • What about mercury in recycling and waste disposal?
    • How are mercury spills cleaned up?
    • What are more mercury-containing products?
    • How can I find out about mercury exposure where I live?
  • Cold Sores (Nongenital Herpes Simplex Infections) Herpes simplex infections are common and when they appear around the mouth and lips, people often refer to them as "cold sores"...learn more »
    In This Article
    Cold Sores (Nongenital Herpes Simplex Infections) Article
    • Herpes simplex infections (nongenital cold sores) facts
    • What are herpes simplex infections?
    • What causes cold sores?
    • What makes herpes (cold sores) recur?
    • How do cold sores spread?
    • What are the signs and symptoms of cold sores?
    • What is primary oral herpes?
    • What does recurrent herpes look like?
    • How long do cold sores last?
    • What are the risk factors for herpes simplex infections?
    • What are the possible complications of oral herpes (cold sores)?
    • What is the prognosis for oral herpes (cold sores)?
    • What other conditions can look like oral herpes (cold sores)?
    • What is angular stomatitis?
    • What are canker sores?
    • How is oral herpes diagnosed?
    • What is the treatment for cold sores, are there any home remedies, and what medications are used?
    • Is it possible to prevent cold sores?
  • Chronic Bronchitis Chronic bronchitis is a cough that occurs daily with production of sputum that lasts for at least three months, two years in a...learn more »
    In This Article
    Chronic Bronchitis Article
    • Bronchitis facts
    • What is bronchitis?
    • What is acute bronchitis?
    • What are the symptoms of acute bronchitis?
    • What is chronic bronchitis?
    • What are the causes of chronic bronchitis?
    • What are the risk factors for chronic bronchitis?
    • What are the symptoms of chronic bronchitis?
    • When should an individual seek medical care for chronic bronchitis?
    • How is chronic bronchitis diagnosed?
    • What is the treatment for chronic bronchitis?
    • What are the complications of chronic bronchitis?
    • Can chronic bronchitis be prevented?
    • What is the outlook (prognosis) for chronic bronchitis?
  • Swine Flu Novel H1N1 influenza A virus infection (swine flu) is an infection that generally is transferred from an infected pig to a human,...learn more »
    In This Article
    Swine Flu Article
    • Swine flu (H1N1 and H3N2v influenza virus) facts
    • What is the swine flu?
    • What causes swine flu?
    • Why is swine flu now infecting humans?
    • What are the symptoms of swine flu?
    • How is swine flu diagnosed?
    • What is the treatment for swine flu?
    • What is the history of swine flu?
    • What are the risk factors for swine flu?
    • Can swine flu be prevented with a vaccine?
    • Can swine flu be prevented if the a flu vaccine (or other flu strain vaccine) is not readily available?
    • Was swine flu (H1N1) a cause of an epidemic or pandemic in the 2009-2010 flu season?
    • What is the prognosis (outlook) and complications for patients who get swine flu?
    • Where can I find more information about swine flu?
  • Cold, Flu, Allergy Treatments Before treating a cold, the flu, or allergies with over-the-counter (OTC) medications, it's important to know what's causing the...learn more »
    In This Article
    Cold, Flu, Allergy Treatments Article
    • Facts about cold, flu, and allergy treatments
    • Introduction to cold, flu, and allergy treatments
    • What are the differences between allergy, cold, and flu symptoms?
    • What are the different types of medications for headaches, body aches, fever, and flu-like symptoms?
    • Nasal congestion, sneezing, and runny nose
    • Cough
    • Sore throat and other symptoms
    • What about vitamin C and zinc?
    • What are some important considerations for the safe use of OTC products?
  • Taste Disorders The most common taste disorder is phantom taste perception; that is, a lingering, often unpleasant taste even though you have...learn more »
    In This Article
    Taste Disorders Article
    • Taste disorders facts*
    • How common are taste disorders?
    • How does our sense of taste work?
    • What are the taste disorders?
    • What causes taste disorders?
    • How are taste disorders diagnosed?
    • Are taste disorders serious?
    • Can taste disorders be treated?
    • What research is being done?
  • Adenovirus 14 Adenovirus infection, particularly Ad14, or the "killer cold virus" has been on the increase in the past two years. Symptoms...learn more »
    In This Article
    Adenovirus 14 Article
    • Adenovirus 14 (Ad14) facts
    • What is the killer cold virus?
    • What are symptoms and signs of an Adenovirus 14 infection?
    • What causes an infection with Adenovirus 14 (Ad14)?
    • How is an Adenovirus 14 infection diagnosed?
    • What is the treatment for an Adenovirus 14 infection?
    • What are complications of an Adenovirus 14 infection?
    • What is the prognosis for an Adenovirus 14 infection?
    • Can an Adenovirus 14 infection be prevented?
    • Where can people get more information about the killer cold virus (Adenovirus 14)?
  • Adult-Onset Asthma Adult-onset asthma is asthma that is diagnosed in people over 20 years of age. Symptoms include wheezing, coughing, shortness of...learn more »
    In This Article
    Adult-Onset Asthma Article
    • What is asthma?
    • What is adult-onset asthma?
    • What is the difference between childhood asthma and adult-onset asthma?
    • How is adult-onset asthma diagnosed?
    • Who gets asthma?
    • How is asthma classified?
    • How is asthma treated?
    • Monitoring symptoms
    • Asthma action plan
  • Reye's Syndrome Reye's syndrome (RS, or Reye syndrome) is a sudden, sometimes fatal, disease of the brain with degeneration of the liver. Reye...learn more »
    In This Article
    Reye's Syndrome Article
    • Reye's syndrome facts
    • What is Reye's syndrome?
    • What causes Reye's syndrome?
    • What are risk factors for Reye's syndrome?
    • What are Reye's syndrome symptoms and signs?
    • How is Reye's syndrome diagnosed?
    • What is the treatment for Reye's syndrome?
    • What is the prognosis for Reye's syndrome?
    • Can Reye's syndrome be prevented?
    • What research is being done on Reye's syndrome?
    • Where can I find more information about Reye's syndrome?
  • Malaria Malaria is a disease that is spread by the bite of an infected Anopheles mosquito. Malaria symptoms include fever, chills,...learn more »
    In This Article
    Malaria Article
    • Malaria facts
    • What is malaria?
    • What causes malaria?
    • What are risk factors for malaria? Is it possible to prevent malaria?
    • What are malaria symptoms and signs?
    • How do physicians diagnose malaria?
    • What is the treatment for malaria?
    • What is the prognosis of malaria?
    • Is there a malaria vaccine?
    • Can malaria reoccur after treatment?
  • Children's Cough Causes and Treatments Children's cough causes include infection, acid reflux, asthma, allergies or sinus infection, whooping cough, and exposure to...learn more »
    In This Article
    Children's Cough Causes and Treatments Article
    • What is a cough?
    • What are the common causes of acute cough in children?
    • What are the common causes of chronic cough in children?
    • How is the cause of childhood cough diagnosed?
    • What are the various therapies and home remedies for childhood cough?
    • When should I contact my doctor for childhood cough symptoms?
  • Respiratory Syncytial Virus Respiratory syncytial virus (RSV) is a highly contagious viral infection. Symptoms include fever and nasal congestion and...learn more »
    In This Article
    Respiratory Syncytial Virus Article
    • Respiratory syncytial virus (RSV) infection facts
    • What is the respiratory syncytial virus (RSV)?
    • When does RSV infection occur, and who gets it?
    • Who is at risk for severe disease?
    • Is RSV infection contagious, and how is RSV infection transmitted?
    • What are the symptoms of RSV infection?
    • How is RSV infection diagnosed?
    • What is the treatment for an RSV infection?
    • How can RSV infection be prevented?
    • Is there an RSV vaccine?
    • What is the prognosis of a respiratory syncytial virus infection?
  • Bird Flu Bird flu (avian flu, avian influenza) infection in humans may result from contact with infected poultry. There is a vaccine to...learn more »
    In This Article
    Bird Flu Article
    • Bird flu facts
    • What is bird flu?
    • What causes bird flu?
    • What are risk factors for bird flu?
    • What are bird flu symptoms and signs?
    • How is bird flu diagnosed?
    • What is the treatment for bird flu?
    • What are the complications of bird flu?
    • What is the prognosis of bird flu?
    • Can bird flu be prevented with a vaccine?
    • Where can people find more information about bird flu?
  • Antibiotic Resistance (Drug Resistance, Antimicrobial Resistance) Drug resistance (antimicrobial resistance) is the ability of bacteria, fungi, parasites, and viruses to grow, even in the...learn more »
    In This Article
    Antibiotic Resistance (Drug Resistance, Antimicrobial Resistance) Article
    • Drug resistance facts*
    • Drug resistance definitions
    • Antimicrobial
    • Antibiotic
    • Antibacterial
    • MRSA and VRE
    • What is drug resistance?
    • History of antimicrobial drug resistance
    • Causes of antimicrobial drug resistance
    • Diagnosis of antimicrobial drug resistance
    • Treatment of antimicrobial drug resistance
    • Prevention of antimicrobial drug resistance
    • Antimicrobial resistance: A growing health issue
    • Drug-resistant microbes of concern today
    • Methicillin-resistant staphylococcus aureus (MRSA)
    • Vancomycin-resistant enterococci (VRE)
    • Microbes increasingly resistant to drugs
  • SARS Severe acute respiratory syndrome (SARS) is a respiratory disease caused by the coronavirus SARS-CoV. Symptoms include fever and...learn more »
    In This Article
    SARS Article
    • Severe acute respiratory syndrome (SARS) facts
    • What is severe acute respiratory syndrome (SARS)?
    • What causes SARS? How is SARS transmitted?
    • What are risk factors for SARS?
    • What are SARS symptoms and signs?
    • How is SARS diagnosed?
    • What is the treatment for SARS?
    • What is the prognosis of SARS?
    • Is it possible to prevent SARS?
    • Is there a SARS vaccine? What research is being done on SARS?
    • Where can people get more information about SARS?
  • Bioterrorism Bioterrorism is a form of terrorism where there is the intentional release of biological agents such as viruses, germs, or...learn more »
    In This Article
    Bioterrorism Article
    • What is bioterrorism?
    • What are the biological agents that can be utilized for bioterrorism?
    • What are the causes of bioterrorism in food?
    • What are the sources for detailed information on bioterrorism?
    • How can I prepare myself for a bioterrorism attack?
    • What are the warning signs of a bioterrorism attack?
    • What should I do if there has been a bioterrorism attack?
    • How do I know if I have been exposed to a bioterrorism agent?
    • Should I have some antibiotics on hand just in case I get exposed?
  • Plague (Black Death) Plague is an infectious disease caused by the bacteria Yersinia pestis. Transmission to humans occurs via fleas that have bitten...learn more »
    In This Article
    Plague (Black Death) Article
    • Plague (Black Death) facts
    • What is plague? What is the history of plague?
    • What causes plague?
    • What are risk factors for plague?
    • What are plague symptoms and signs?
    • How do physicians diagnose plague?
    • What is the treatment for plague?
    • What is the prognosis of plague?
    • Is it possible to prevent plague?
    • What are modern concerns about plague?
  • Emphysema, Chronic Bronchitis, and Colds If you have a COPD such as emphysema, avoiding chronic bronchitis and colds is important to avoid a more severe respiratory...learn more »
    In This Article
    Emphysema, Chronic Bronchitis, and Colds Article
    • Introduction
    • What is emphysema and chronic bronchitis?
    • What happens with emphysema and chronic bronchitis and colds?
    • Why should I take colds seriously with emphysema or chronic bronchitis?
    • Which cold treatment should I use with emphysema or chronic bronchitis?
    • Can I prevent colds if I have emphysema or chronic bronchitis?
  • Exercise-Induced Asthma Exercise-induced asthma is asthma triggered by vigorous exercise. Symptoms include coughing, shortness of breath, chest...learn more »
    In This Article
    Exercise-Induced Asthma Article
    • What is exercise-induced asthma?
    • Why does exercise induce asthma?
    • If I have asthma, should I avoid exercise?
    • Can my exercise-induced asthma be prevented?
    • What are the best exercises for someone with asthma?
    • Are there some tips to prevent and treat exercise-induced asthma?
  • Pregnancy: Swine Flu and the H1N1 Vaccine Pregnant and women who are breastfeeding are encouraged to receive the seasonal flu shot as well as the 2009 H1N1 influenza...learn more »
    In This Article
    Pregnancy: Swine Flu and the H1N1 Vaccine Article
    • Pregnancy and H1N1 influenza (swine flu) introduction
    • What if I am pregnant and I get 2009 H1N1?
    • What can I do to protect myself, my baby and my family?
    • Is it safe for pregnant women to get a flu shot?
    • What are the symptoms of seasonal and 2009 H1N1 flu?
    • What should I do if I get sick?
    • How is 2009 H1N1 flu treated?
    • When should I get emergency medical care?
    • Why does CDC advise pregnant women to receive the 2009 H1N1 influenza (flu) vaccine (shot)?
    • Will the seasonal flu shot also protect against the 2009 H1N1 flu?
    • Are there flu vaccines that pregnant women should not get?
    • Can the seasonal flu shot and the 2009 H1N1 flu shot be given at the same time?
    • Is the 2009 H1N1 flu shot safe for pregnant women?
    • What are the possible side effects of the 2009 H1N1 flu shots?
    • What about the H1N1 nasal spray vaccine?
    • What about breastfeeding and the H1N1 influenza and vaccinations?
  • Treating the Flu in People with Health Risks Certain portions of the population are at an increased risk of suffering serious complications from the flu. Some of these...learn more »
    In This Article
    Treating the Flu in People with Health Risks Article
    • Treating the flu in people with health risks facts*
    • Do you have Asthma, Diabetes or Chronic Heart Disease?
    • Why am I at greater risk of serious flu complications?
    • Can the flu be treated?
    • What should I do if I think I have the flu?
    • Should I still get a flu vaccine?
    • What are the benefits of antiviral drugs?
    • What are the possible side effects of antiviral drugs?
    • When should antiviral drugs be taken for treatment?
    • What antiviral drugs are recommended?
    • How long should antiviral drugs be taken?
    • Can children and pregnant women take antiviral drugs?
    • Who should take antiviral drugs?
    • What are the health and age factors that are known to increase a person's risk of getting serious complications from the flu?

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