It is best to avoid taking iron supplements while being treated with doxycycline.
The absorption of both medicines may be reduced.
If you need to take the ferrous sulfate stagger the doses as much as possible - by at least three hours.
- Ferrous Sulfate Information for Consumers
- Ferrous Sulfate Information for Healthcare Professionals (includes dosage details)
- Side Effects of Ferrous Sulfate (detailed)
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