Is Calcium safe with Levothyroxine?
Usually yes, but with one precaution. Calcium and Levothyroxine are flagged "Caution" because calcium reduces absorption of thyroid medication when taken together.
The short version
- Verdict
- Yes, with care — this combination needs a precaution.
- Timing
- Separate Calcium and Levothyroxine by at least 4 hours. Taking them in the same window is what causes the issue, not taking them on the same day.
- What to do
- Separate by about 4 hours.
People also ask
Is Calcium safe with Levothyroxine?
Usually yes, but with one precaution. Calcium and Levothyroxine are flagged "Caution" because calcium reduces absorption of thyroid medication when taken together.
Can you take Calcium and Levothyroxine at the same time of day?
Separate Calcium and Levothyroxine by at least 4 hours. Taking them in the same window is what causes the issue, not taking them on the same day.
What does DoseRoutine rate the Calcium and Levothyroxine combination?
Yes, with care — this combination needs a precaution. Calcium and Levothyroxine can be taken together, but the combination needs a precaution.
What should someone taking Calcium and Levothyroxine do?
Separate by about 4 hours. This is educational information, not medical advice — a prescriber who knows the full routine is the one to confirm it.
Before you combine anything
Counterfeit and mis-dosed product is a bigger risk than most pairwise interactions. How to protect yourself when buying and using compounds covers what to check first.
Related questions
DoseRoutine is educational and does not diagnose, prescribe, or recommend a dose. Nothing here replaces advice from a prescriber who knows your full routine.