It is recommended to take Fosavance 70 mg5600 IU Tablet on an empty stomach It is important to take it regularly at the same time every day to help remember The full benefit of this drug may take several days to be achieved Do not stop taking the medicine without your doctors approval as it may be part of a larger treatment program that includes dietary changes other medications and vitamin supplements Common side effects of this medicine include headache back pain musculoskeletal pain indigestion heartburn and diarrhea These side effects are usually mild and resolve on their own If they persist or worsen it is important to inform your doctor Your doctor may have suggestions for preventing or reducing these side effects Before using this medicine inform your doctor about any medical conditions or disorders you have It is also important to inform your doctor about all other medications you are taking You may need frequent medical tests to monitor kidney function and mineral levels while on this treatment Consumption of large amount of alcohol should be avoided as it can contribute to bone loss Pregnant and breastfeeding mothers should consult their doctors before using this medicine