Skip to main content

Will it be harmful to take doxycycline with iron supplements?

Medically reviewed by Drugs.com. Last updated on April 7, 2025.

Official Answer by Drugs.com

I just started taking iron supplements and I also need to take doxycycline for a short periods of time. Will either of the two medicines affect each other?

If you take iron supplements and doxycycline at the same time then less doxycycline will be absorbed. It is best to separate the doses of iron and doxycycline by 2 to 3 hours.

Read next

Is Doxycycline safe for dogs? Uses, dosage, side effects

Doxycycline is usually well tolerated and is considered safe for dogs. It is widely prescribed for a range of different conditions such as bacterial infections and oral gum disease. Continue reading

Doxycycline for STDs: Effectiveness, Dosage and Side Effects

Doxycycline is an antibiotic that can be taken within 72 hours of unprotected sex to help prevent common bacterial STDs (sexually transmitted diseases). When doxycycline is used in this way it is called Doxy PEP (postexposure prophylaxis). Doxy PEP significantly protects against 3 STDs, syphilis, chlamydia, and gonorrhea, in high-risk, sexually active adults. STDs may also be called sexually transmitted infections or STIs.

Continue reading

Should doxycycline be taken with food?

Doxycycline, a tetracycline antibiotic, is used to treat many different bacterial infections and skin conditions such as acne and rosacea. Different doxycycline products may have different instructions for how to take the medication. In general, most brands of doxycycline may be taken with food.

Continue reading

See also:

Related medical questions

Drug information

Related support groups