Frequently Asked Questions



Are there any side effects I should be aware of?

As with any medicine, there may be side effects associated with taking InVita D3, although not everybody gets them.

Possible side effects may include:
Uncommon (affects less than 1 in 100 people)

  • Too much calcium in your blood (hypercalcaemia)
  • Too much calcium in your urine (hypercalciuria)

Rare (affects less than 1 in 1000 people):

  • Skin rash
  • Itching
  • Hives

Note: If you notice any kind of side effect after taking this medicine, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: https://yellowcard.mhra.gov.uk.

By reporting side effects, you can help provide more information on the safety of this medicine.

I’ve forgotten to take my usual dose.
What should I do?

If you forget to take a dose of InVita D3, take the forgotten dose as soon as possible. Then take the next dose at the correct time. However, if it is almost time to take the next dose, do not take the dose you have missed; just take the next dose as normal.

Note: do not take a double dose to make up for a forgotten dose.

I’ve accidentally taken too much.
What should I do?

If you or your child takes more medicine than prescribed, do not take any more and contact your doctor. If it is not possible to talk to a doctor, go to the nearest hospital emergency department and take the medicine and all of its packaging with you.

The most common symptoms of overdose are: nausea, vomiting, excessive thirst, the production of large amounts of urine over 24 hours, constipation and dehydration, high levels of calcium in the blood (hypercalcaemia and hypercalciuria) shown by a blood test. If you have any further questions on the use of this medicine, ask your doctor, pharmacist or nurse.

What if I am pregnant?

Vitamin D is very important to pregnant and breastfeeding women as they have a higher need for it. There are doses of InVita D3 that can be taken by pregnant and breastfeeding women, but if you are pregnant or thinking about becoming pregnant, it’s best to talk to your doctor or pharmacist before taking InVita D3 or any other medicine.