Atovaquone/Proguanil and Tetracycline Interaction

Drug interaction information between Atovaquone/Proguanil and Tetracycline.

Atovaquone/Proguanil and Tetracycline have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Atovaquone/Proguanil and Tetracycline. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Atovaquone/Proguanil

Antimalarial Combination

Drug B

Tetracycline

Tetracycline Antibiotic

How They Interact

Tetracycline can lower the amount of atovaquone in your body, making it harder for the drug to fight off the infection.

FDA Label Information

( 7.2 ) • Tetracycline may reduce atovaquone concentrations; parasitemia should be closely monitored. 7.3 Tetracycline Concomitant treatment with tetracycline has been associated with a reduction in plasma concentrations of atovaquone [see Clinical Pharmacology ( 12.3 )] . Parasitemia should be closely monitored in patients receiving tetracycline.

Atovaquone/Proguanil Also Interacts With

View all Atovaquone/Proguanil interactions →

Frequently Asked Questions

What SPL severity band is on file for Atovaquone/Proguanil + Tetracycline?

Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Tetracycline has 12 labeled pairs on file vs Atovaquone/Proguanil's 4. In the minor band specifically: Atovaquone/Proguanil has 3 (also Warfarin, Metoclopramide); Tetracycline has 8 (also Zinc Sulfate, Cholestyramine, Colestipol, Dicloxacillin).

What mechanism field is on file for Atovaquone/Proguanil and Tetracycline?

Tetracycline can lower the amount of atovaquone in your body, making it harder for the drug to fight off the infection.

Tetracycline carries more major-labeled pairs than Atovaquone/Proguanil

SPL source-record counts only. This page's band is minor · classes on file: Atovaquone/Proguanil (Antimalarial Combination); Tetracycline (Tetracycline Antibiotic).

Tetracycline has 1 major-labeled pair vs Atovaquone/Proguanil's 0. This page itself is in the minor band, not the major band.

Atovaquone/Proguanil

0 major · 1 moderate · 3 minor · 4 total

Tetracycline

1 major · 3 moderate · 8 minor · 12 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.