Drug interactions for the following drug(s)

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Interactions between your selected drugs

Moderate

Doxycycline<>levothyroxine

Applies to: Levothyroxine Sodium 0.15 MG Oral Tablet [Synthroid] <> Doxycycline Monohydrate 100 MG Oral Capsule

The metabolism of Levothyroxine can be decreased when combined with Doxycycline.

No other interactions were found between your selected drugs.

Note: this does not necessarily mean no interactions exist. Always consult with your doctor or pharmacist.

Interactions between your selected drugs

Moderate

Doxycycline<>levothyroxine

Applies to: Levothyroxine Sodium 0.15 MG Oral Tablet [Synthroid] <> Doxycycline Monohydrate 100 MG Oral Capsule

Drug1 (rxcui = 966201, name = Levothyroxine Sodium 0.15 MG Oral Tablet [Synthroid], tty = SBD). Drug2 (rxcui = 1649990, name = Doxycycline Monohydrate 100 MG Oral Capsule, tty = SCD). Drug1 is resolved to Doxycycline, Drug2 is resolved to levothyroxine and interaction asserted in DrugBank between Doxycycline and Levothyroxine. Drug1 is resolved to levothyroxine, Drug2 is resolved to doxycycline anhydrous and interaction asserted in DrugBank between Levothyroxine and Doxycycline.

No other interactions were found between your selected drugs.

Note: this does not necessarily mean no interactions exist. Always consult with your doctor or pharmacist.

DrugInteractionChecker.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex® (updated Sep 28th, 2016), Cerner Multum™ (updated Oct 2nd, 2016), Wolters Kluwer™ (updated Oct 1st, 2016) and others. To view content sources and attributions, please refer to our editorial policy.