When your calcium is low, you often feel muscle cramps, muscle spasms, and a numbness and tingling pins and needles feeling in your toes, around your mouth and in your fingers.
When your calcium level is low, you also may also feel fatigued and extremely tired, have dry skin, brittle nails and mood changes like anxiety, depression or irritability.
Severe cases of low calcium may also cause irregular heartbeats, breathing difficulties from the throat spasms, and seizures and confusion, which require immediate medical attention.
Neuromuscular conditions that can occur in mild to moderate calcium deficiencies are muscle aches, spasms and cramps, especially in the feet, hands, back and or legs.
Sensory changes that can occur in mild to moderate calcium deficiencies include tingling, burning or pins and needles feeling in the hands, feet and around your mouth.
And you may have dry, itchy skin and brittle nails that break easily as well as lack energy, feel weak and very tired and you can also experience mood swings, anxiety, depression and irritability and sometimes coarse hair.
In severe cases of calcium deficiencies you may have severe muscle spasms in your throat, which make it hard to breathe as well as irregular heartbeat, or even heart failure and you may experience neurological issues like seizures, confusion, memory loss and balance problems.
And when your vitamin D is extremely low, you often feel very tired, have widespread muscle weakness and aches, and you often have significant bone pain, especially pain that occurs in your back, hips and or legs.
With extremely low vitamin D you often also have frequent infections and mood changes, like depression, which can lead to serious softening of the bones, also known as osteomalacia, or even seizures, "seizures rarely occur with low vitamin D" or due to low calcium.
Extremely low vitamin D in children can cause ricks and bowed legs.
Overwhelming tiredness and fatigue, lack of energy and muscle weakness which makes getting up difficult or climbing stairs difficult, as well as deep and aching pain in the bones, that is often felt in your lower back, hips, pelvis, ribs, shins and tender to the touch as well as aches, cramps, spasms, increased sensitivity to pain or a pins and needles feeling of tingling are also common in people with extremely low vitamin D.
With extremely low vitamin D, you may also experience a general sour mood, irritability, anxiety and even depression as well as a weakened immune system, which causes more colds, flu or other infections and in some cases a severe vitamin D deficiency may cause significant hair loss and slow healing of wounds and bones.
A disease that is caused by lack of vitamin D is rickets in children, which are soft and bent bones.
And a disease in adults that is caused by lack of vitamin D is osteomalacia, which is weak bones, pain and muscle weakness, which also increase your risk of fracture.
A lack of vitamin D also contributes to osteoporosis and is also linked to other issues like respiratory infections and even autoimmune diseases.
Rickets is a condition in children when they don't get enough vitamin D that causes softening and bending of the child's bones, which lead to bowed legs, bone pain and joint deformities, which is a result of poor calcium and poor phosphorus absorption as well.
Osteomalacia in adults is a condition that is similar to that of rickets in children.
Osteomalacia causes bone pain, muscle weakness and an increased risk of fractures.
Osteoporosis can also occur with a lack of vitamin D as vitamin D as well as calcium is important to helping maintain your bone density, so a deficiency in vitamin D as well as calcium, increases your risk of osteoporosis, which is a bone thinning condition.
And muscle weakness can also occur due to a lack of vitamin D, as a lack of vitamin D can result in muscle aches, muscle weakness and an increased risk of falls, especially in older adults.
Other conditions that are associated with a lack of vitamin D or vitamin D deficiency include.
Autoimmune diseases, which are linked to conditions like MS or multiple sclerosis, rheumatoid arthritis and type 1 diabetes.
Respiratory infections, can also result from a lack of vitamin D and you're at an increased risk of COPD and other respiratory infections.
Pre-eclampsia is also associated with a lack of vitamin D or vitamin D deficiency in pregnant women.
A lack of vitamin D or vitamin deficiency can also contribute to schizophrenia, as a lack of vitamin D and vitamin D deficiency has also been linked to the development of schizophrenia.
Vitamin D is essential for bone health, immune function and calcium absorption.
Common symptoms of a vitamin D deficiency or lack of vitamin D include muscle weakness, bone pain and fatigue, although many cases of a vitamin D deficiency lack symptoms and are asymptomatic.
Causes of a vitamin D deficiency or lack of vitamin D include poor diet, absorption issues and limited sun exposure.
Vitamin D deficiencies are often treated with supplements and dietary changes.