- What are the symptoms of high blood calcium?
 
- Fatigue
 
- Headache
 
- Frequent urination
 
- Excessive thirst
 
- Nausea
 
- Vomiting
 
- Constipation
 
- Abdominal pain
 
- Muscle cramps
 
- Bone pain
 
- Fractures
 
- Arrhythmia
 
 
- What are the symptoms of low blood calcium?
 
- Muscle spasms
 
- Muscle cramps
 
- Numbness of hand, feet, or face
 
- Confusion
 
- Memory loss
 
- Depression
 
- Hallucinations
 
- seizures
 
- Easy fracturing of bones
 
- Which medicines may affect my test results?
 
- Calcium supplements
 
- Vitamin D supplements
 
- Lithium
 
- Calcium containing Antacids
 
- Thiazide diuretics
 
 
- How to prepare for this test?
 
Your doctor might recommend fasting overnight before the test. Inform your doctor about your complete medical and drug history. Wear a short-sleeved shirt to aid the collection of sample.
- What are the risks of this test?
 
Collecting blood from a vein is a very easy procedure and pose only minimum risk, including:
- Bruising
 
- Bleeding
 
- Infection
 
- Lightheadedness.
 
 
                         
                     
                
                                    
                        
                            Normal range: 8.5-10.5 mg/dL
 
- Interpretation of test results:
 
Causes of high calcium levels:
- Hyperparathyroidism
 
- Certain type of cancers
 
- Tuberculosis
 
- Hyperthyroidism
 
- Kidney transplant
 
- Thiazide diuretics
 
- HIV/AIDS.
 
 
Causes of low calcium levels:
- Low albumin levels
 
- Hypoparathyroidism
 
- Decreased levels of vitamin D
 
- Poor-calcium diet
 
- Magnesium deficiency
 
- Renal failure
 
- Increased levels of phosphorus.