Ergocalciferol usage has been shown to cause some mild side effects. Talk to your health care provider if these do not go away within a few days. If you begin to experience more serious effects, seek medical attention immediately.
Common side effects reported from ergocalciferol use include:
- Changes in skin color
- Tiredness
Serious side effects include:
- Excessive fatigue/ tiredness
- Confusion
- Loss of appetite
- Nausea
- Vomiting
- Constipation
- Drowsiness
- Muscle aches
- Electrolyte disturbances
- Renal impairment
Seek medical attention right away if you begin to notice any of these effects. These are signs of a serious adverse reaction and medical treatment is required.
As with all prescription medication, inform your doctor of any medical conditions you are currently managing. Tell them about all medication, prescription drugs, and supplements you are taking before starting treatment with ergocalciferol. Ergocalciferol can interact with substances in the body, causing potentially serious adverse reactions.
Let your provider know if you have been diagnosed with high levels of calcium, vitamin D, or vitamin D sensitivity. You should also inform your provider if you have or have had kidney or liver disease.
Ergocalciferol can cause drowsiness. Because of this, you should not operate a motor vehicle or heavy machinery until you know how this medication affects you.
Finally, let your doctor know if you are pregnant or plan on becoming pregnant before starting treatment with ergocalciferol. If you become pregnant while taking ergocalciferol, inform your health care provider immediately.