Can You Take Doxycycline and Losartan Together?
No documented interaction was identified between losartan and doxycycline in the sources reviewed.
See the full Doxycycline page and Losartan page for other reviewed interactions and reference information.
What the interaction means
Losartan's FDA label does not mention doxycycline. Doxycycline's FDA label does not mention losartan, ARBs, or angiotensin.
No documented interaction was identified in the authoritative sources reviewed. This is not a guarantee that no interaction exists for every dose, formulation, or individual -- it means the sources checked did not document one.
Practical context
Both substances' own current authoritative sources were checked directly, full text, in both directions.
What the sources say
Last reviewed 2026-08-24
Medical information disclaimer: this information is general and educational. It does not diagnose conditions, prescribe treatment, or determine whether a combination is safe for you personally. Follow your prescription label and ask a pharmacist or clinician before starting, stopping, or combining products. Full disclaimer.
Related interactions
- Doxycycline and IronUse caution
- Doxycycline and ProbioticsInformational
- Doxycycline and MagnesiumUse caution
- Doxycycline and CalciumUse caution
- Doxycycline and CiprofloxacinInsufficient evidence
- Doxycycline and WarfarinInsufficient evidence
- Doxycycline and Vitamin B12Insufficient evidence
- Doxycycline and PotassiumInsufficient evidence
- Doxycycline and St. John's WortInsufficient evidence
- Doxycycline and AtorvastatinInsufficient evidence
- Doxycycline and MetforminInsufficient evidence
- Doxycycline and Vitamin DInsufficient evidence
- Doxycycline and LisinoprilInsufficient evidence
- Doxycycline and CoQ10 (Coenzyme Q10)Insufficient evidence
- Doxycycline and OmeprazoleInsufficient evidence
- Doxycycline and SertralineInsufficient evidence
- Doxycycline and MelatoninInsufficient evidence
- Doxycycline and Vitamin KInsufficient evidence
- Doxycycline and LevothyroxineInsufficient evidence
- Doxycycline and CreatineInsufficient evidence
- Doxycycline and CopperInsufficient evidence
- Doxycycline and SpironolactoneInsufficient evidence
- Doxycycline and ZincUse caution
- Doxycycline and CaffeineInsufficient evidence
- Doxycycline and TurmericInsufficient evidence
- Doxycycline and Omega-3 / Fish OilInsufficient evidence
- Doxycycline and Vitamin EInsufficient evidence
- Doxycycline and Vitamin CInsufficient evidence
- Doxycycline and Folate / Folic AcidInsufficient evidence
- Doxycycline and AshwagandhaInsufficient evidence
- Doxycycline and AmlodipineInsufficient evidence
- Doxycycline and AspirinInsufficient evidence
- Doxycycline and IbuprofenInsufficient evidence
- Doxycycline and EscitalopramInsufficient evidence
- Losartan and CreatineInsufficient evidence
- Losartan and IronInsufficient evidence
- Losartan and LevothyroxineInsufficient evidence
- Losartan and MagnesiumInsufficient evidence
- Losartan and LisinoprilAvoid combining
- Losartan and CaffeineInsufficient evidence
- Losartan and CiprofloxacinInsufficient evidence
- Losartan and CoQ10 (Coenzyme Q10)Insufficient evidence
- Losartan and AtorvastatinInsufficient evidence
- Losartan and CalciumInsufficient evidence
- Losartan and CopperInsufficient evidence
- Losartan and OmeprazoleInsufficient evidence
- Losartan and SertralineInsufficient evidence
- Losartan and TurmericInsufficient evidence
- Losartan and Vitamin DInsufficient evidence
- Losartan and ZincInsufficient evidence
- Losartan and MetforminInsufficient evidence
- Losartan and ProbioticsInsufficient evidence
- Losartan and St. John's WortInsufficient evidence
- Losartan and Vitamin B12Insufficient evidence
- Losartan and Vitamin KInsufficient evidence
- Losartan and IbuprofenMonitor
- Losartan and EscitalopramInsufficient evidence
- Losartan and AspirinMonitor
- Losartan and AmlodipineInsufficient evidence
- Losartan and Omega-3 / Fish OilInsufficient evidence
- Losartan and Vitamin CInsufficient evidence
- Losartan and AshwagandhaMonitor
- Losartan and Vitamin EInsufficient evidence
- Losartan and WarfarinInformational
- Losartan and Folate / Folic AcidInsufficient evidence
- Losartan and MelatoninInsufficient evidence
- Losartan and PotassiumMonitor
- Losartan and SpironolactoneUse caution