Like all medicines, this medicine can cause side effects, although not everybody gets them. Side effects with Vitamin D3 may include:
Uncommon side effects (affecting less than 1 in 100 people) : Too much calcium in your blood (hypercalcemia). You may feel or be sick, lose your appetite, have constipation, stomach ache, feel very thirsty, have muscle weakness, drowsiness or confusion - too much calcium in your urine (hypercalciuria).
Rare side effects (affecting less than 1 in 1000 people) : - skin rash - itching - hives
If you are allergic (hypersensitive) to vitamin D or any of the other ingredients in the capsules.
- Have high levels of vitamin D in your blood (hypervitaminosis D)
- Have high blood levels of calcium (hypercalcemia) or high urine levels of calcium (hypercalciuria)
- Have kidney stones or serious kidney problems
- You are already taking additional doses of calcium or vitamin D. Whilst you are taking cholecalciferol your doctor will monitor your blood levels of calcium to make sure they are not too high.
Talk to your doctor before taking Vitamin D3 if you are being treated for heart disease.
Take this medication regularly in order to get the most benefit from it. To help you remember, take it at the same time each day.
This Medicine should not be use in Pregnancy.
In particular the following medicines may interact with Vitamin D3: Heart medicines (cardiac glycosides such as digoxin) , Medicines to treat epilepsy (such as phenytoin) or medicines to make you sleep (barbiturates such as phenobarbitone) as these medicines can decrease the effect of vitamin D , Glucocorticoids (steroid hormones such as hydrocortisone or prednisolone). These can decrease the effect of vitamin D. Thiazide diuretics (Water tablets) can increase the concentration of calcium in the blood , Laxatives (such as para n oil) or a cholesterol lowering drug called cholestyramine may reduce the absorption of vitamin D , Actinomycin (a medicine used to treat some forms of cancer) and imidazole antifungals (medicines such as clotrimazole and ketoconazole used to treat fungal diseases) as they may interfere with the metabolism of vitamin D.