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.
Lightheadedness
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Dizziness is a word that is often used to describe two different feelings. It is important to know exactly what you mean when you say "I feel dizzy," because it can help you and your doctor narrow down the list of possible problems. Lightheadedness is a feeling that you are about to faint or "pass out."...
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Many prescription and nonprescription medicines can make you feel lightheaded or affect your balance. A few examples are: Antibiotics. Blood pressure medicines. Medicines used to treat depression or anxiety. Pain medicines. Medicines used to treat cancer (chemotherapy). If you think a prescription or...
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Heart rhythm problems, called arrhythmias, can cause a few types of symptoms. These symptoms happen because the heart isn't beating regularly or may not be pumping blood as well as normal. Some of these symptoms include palpitations, lightheadedness, fainting, and shortness of breath. Palpitations Having palpitations...
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While there are certain symptoms that people with heart failure experience more commonly, there are many other symptoms that heart failure can cause. These symptoms are typically less common because they often result from more severe heart failure, when the body can no longer compensate properly for the failing heart...