But here are the more common symptoms: Fatigue, General muscle pain and weakness, Muscle cramps, Joint pain, Chronic pain, Weight gain, High blood pressure, Restless sleep, Poor concentration, and Headaches. ...Read more.
https://www.healthtap.com/topics/causes-of-weakness-and-shakiness
In its most extreme form, this is referred to as Addison's disease, a condition that causes muscle weakness, weight loss, low blood pressure and low blood sugar, and can be life threatening. At the other end of the spectrum, as well as in between, lies adrenal fatigue (also known as hypoadrenia).
http://articles.mercola.com/sites/articles/archive/2009/09/05/most-common-cause-of-fatigue-that-is-missed-or-misdiagnosed-by-doctors.aspx
When your adrenal glands are fatigued, a condition known as adrenal fatigue or adrenal exhaustion, your entire body feels it and suffers from extreme exhaustion as well. Your body has two adrenal glands, located just above each of your kidneys.
http://articles.mercola.com/sites/articles/archive/2009/09/05/most-common-cause-of-fatigue-that-is-missed-or-misdiagnosed-by-doctors.aspx
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.
http://www.webmd.com/a-to-z-guides/tc/weakness-and-fatigue-topic-overview
A low thyroid level (hypothyroidism) can cause fatigue, weakness, lethargy, weight gain, depression, memory problems, constipation, dry skin, intolerance to cold, coarse and thinning hair, brittle nails, or a yellowish tint to the skin.
http://www.webmd.com/a-to-z-guides/tc/weakness-and-fatigue-topic-overview
Muscle Tremors and Weakness and Fatigue 39 Causes. The freeMD virtual doctor has found 39 conditions that can cause Muscle Tremors and Weakness and Fatigue. Mouse over to view each condition's most common symptoms. There is 1 common condition that can cause Muscle Tremors and Weakness and Fatigue. Benign Essential Tremor Syndrome.
http://www.freemd.com/s2/0227/muscle-tremors-weakness-and-fatigue.htm
Can it cause taccycardia, weakness shakiness... Adrenaline surges: A pheochromocytoma is a tumor that secretes excessive adrenal hormones, causing life-threatening spikes in blood pressure. Symptoms include sweating, palpitations, headaches, nausea and rapid increases in blood pressure. Think of it as adrenaline surges.
https://www.healthtap.com/topics/causes-of-weakness-and-shakiness
As the names implies, the most common symptom of adrenal fatigue is unrelenting fatigue, a feeling of being run down or not able to keep up with your daily demands. And because fatigue is such a common symptom, the syndrome is very often missed or misdiagnosed by physicians.
http://articles.mercola.com/sites/articles/archive/2009/09/05/most-common-cause-of-fatigue-that-is-missed-or-misdiagnosed-by-doctors.aspx
Fatigue, Muscle weakness, Shaking and Trembling. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms fatigue, muscle weakness, shaking and trembling including Lack of exercise, Hypocalcemia, and Parkinson disease. There are 90 conditions associated with fatigue, muscle weakness, shaking and trembling. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.
http://symptomchecker.webmd.com/multiple-symptoms?symptoms=fatigue|muscle-weakness|shaking|trembling&symptomids=98|290|548|237&locations=66|66|66|66
Both weakness and fatigue are symptoms, not diseases. Because these symptoms can be caused by many other health problems, the importance of weakness and fatigue can be determined only when other symptoms are evaluated.
http://www.webmd.com/a-to-z-guides/tc/weakness-and-fatigue-topic-overview
what causes weakness and shakes and fatigue
Lack of exercise, hypocalcemia, and Parkinson disease are the causes of weakness, shakes, and fatigue. Lack of exercise, Hypocalcemia, and Parkinson disease cause weakness, shakes, and fatigue.