If you don't replace lost fluids, you will get dehydrated.Anyone may become dehydrated, but the condition is especially dangerous for young children and older adults. If you don't drink enough fluids, you can become dehydrated. Small cell lung cancer is the least common type of lung cancer and can cause a cough, chest pain, and more.Pleural effusion is buildup of fluid in the pleura and can cause difficulty breathing or chest pain.Malnutrition occurs when the body isn't getting enough nutrients; sometimes the condition is life-threatening.Cocaine withdrawal may cause feelings ranging from anxiety, irritability and sleepiness to suicidal thoughts.Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.Being underweight means weighing less than you need for good health.Rectal cancer appears in the rectum and causes bloody stool and constipation.Dementia resulting from a head injury may cause memory problems, difficulty speaking, and personality changes.Motion sickness is a feeling of queasiness or nausea caused by moving in a car, bus, boat, or plane.Myasthenia gravis is caused by abnormal immune responses that weaken muscles, particularly of the face.Hyperthyroidism causes weight loss, shakiness, tiredness, sensitivity to heat, insomnia, and more.Hypopituitarism is a rare disorder of the pituitary glands, which can cause many different symptoms.Hemolytic anemia occurs when there aren't enough red blood cells in the blood. Regularly waking up feeling dizzy can be a sign of an underlying condition. Dehydration occurs when you use or lose more fluid than you take in, and your body doesn't have enough water and other fluids to carry out its normal functions. The most common cause of dehydration in young children is severe diarrhea and vomiting. Vertigo is slightly more precise in indicating the perceived sensation. Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.

Our pill identification tool will display pictures that you can compare to your pill.Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.Sign up to receive WebMD's award-winning content delivered to your inbox.WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms dry mouth, increased thirst and lightheadedness including Acute kidney failure, Aspirin poisoning, and Dehydration (Children).There are 35 conditions associated with dry mouth, increased thirst and lightheadedness.

Cause #4: Hypoglycemia. Our pill identification tool will display pictures that you can compare to your pill.Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.Sign up to receive WebMD's award-winning content delivered to your inbox.WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms dizziness, fatigue, increased thirst and lightheadedness including Medication reaction or side-effect, Heart rhythm disorder, and Anemia.There are 90 conditions associated with dizziness, fatigue, increased thirst and lightheadedness. Motion Sickness. Feeling faint is not a common sign of preeclampsia, which is characterized by the Please whitelist our site to get all the best deals and offers from our partners.The educational health content on What To Expect is During pregnancy, progesterone increases the flow of blood to your baby, resulting in lower blood pressure and reduced blood flow to your brain — giving you that dizzy feeling all over.Ab Exercises That Are Safe and Beneficial During PregnancyAb Exercises That Are Safe and Beneficial During PregnancyFind advice, support, and good company (and some stuff just for fun). Dehydration occurs when you lose more fluid than you take in. Dizziness or light-headedness when standing up occurs as a result of abnormal blood pressure regulation. Dizziness is a vague term but may indicate any sensation from a light headed feeling, faintness (just before one faints), impaired balance, changes in steadiness to cognitive disturbances (which may be described as ‘brain fog’, ‘spaced out’ or ‘high’). So if you actually pass out, call your doctor ASAP. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms Decreased appetite, Dizziness, Hyperactive behavior and … Search by name or medical condition.Enter the shape, color, or imprint of your prescription or OTC drug.