Duracal 300000IU Injection is a medicine used in the treatment of vitamin D deficiency. It helps the body absorb calcium and phosphorus. It is important for maintaining strong bones and used to treat and prevent bone disorders. Duracal 300000IU Injection should be taken in the dose and duration as directed by your doctor. It is generally administered by a healthcare professional. You should not self-administer it at home. This medicine may be only part of a complete program of treatment that also includes making changes to your diet and taking calcium and vitamin supplements. Learn about the foods you should eat to make sure you get enough calcium and vitamin D in your diet. Duracal 300000IU Injection is generally well tolerated, however, it may cause few side effects such as weakness, headache, sleepiness, nausea, vomiting, dry mouth, and constipation in some people. Using it for a long period in doses higher than recommended may cause excessively high levels of calcium in the blood. Before taking this medicine, you should let your doctor know if you have high levels of calcium in your blood or if you have heart or kidney disease. Some other medicines can decrease the absorption of vitamin D, so let your doctor know all the other medicines you are taking to make sure you are safe. It is important to ask the advice of the doctor before taking any other vitamin supplements.