Dr. Colleen A Hagen M.D.

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• What Are Hallucinations?

  In psychiatry, hallucinations are defined as a perception experienced in the absence of an external stimulus to the corresponding sense organ. In simple terms, hallucinations are when people see, hear, feel, smell, or taste things that really don’t exist outside of their minds. For a...

• What Are the Signs and Symptoms of Hepatitis B?

  Hepatitis B is a disease that is caused by the hepatitis B virus, which can seriously damage the liver. Very few people who have the disease realize its symptoms. Hepatitis B virus usually develops in a carrier body within two to three months.In most adult cases, they get it for a short duration and...

• What Are the Most Common Medications For Diabetes?

  Diabetes is often quoted as a 'silent killer.' According to available statistics, the total number of diabetics patients in India is estimated about 50 million. In 2030, it is expected that about 80 million of our population will suffer from diabetes. About 50,000 of the affected have their legs...

• Questions You Should Be Asking Your Doctor

  IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...

• Anemia Symptoms

  What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

• What Is Pyrexia: Causes, Symptoms, and Treatment

  Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...