Absorption (iron interaction)
- Iron forms complexes with susceptible drugs
- Oral absorption can fall markedly
- Antibiotics and levothyroxine are classic victims
- Multivitamins may contain enough iron to matter
- Separate by the drug-specific interval
Interaction at a glance
- Iron forms complexes with susceptible drugs
Mechanism
- Iron forms complexes with susceptible drugs
- Oral absorption can fall markedly
Mechanism / modifiers
- Antibiotics and levothyroxine are classic victims
- Multivitamins may contain enough iron to matter
Timing / washout
- Separate by the drug-specific interval
Self-check
- Why can iron reduce absorption of susceptible drugs?
It forms poorly absorbed complexes.
Drugs in this interaction (17)
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