Levothyroxine Interactions
Showing entire list of all interactions, including brand names and combination drugs.
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Medications known to interact with levothyroxine
Z
- Z-Bec (multivitamin with minerals)
- Z-COF 12 (dextromethorphan / guaifenesin / pseudoephedrine)
- Z-Cof 12DM (dextromethorphan / guaifenesin / pseudoephedrine)
- Z-Cof 8DM (dextromethorphan / guaifenesin / pseudoephedrine)
- Z-Cof DM (dextromethorphan / guaifenesin / pseudoephedrine)
- Z-Cof DM(obs) (dextromethorphan / guaifenesin / pseudoephedrine)
- Z-Cof HC (chlorpheniramine / hydrocodone / phenylephrine)
- Z-Dex (dextromethorphan / guaifenesin / phenylephrine)
- Z-Dex 12 D (chlorpheniramine / dextromethorphan / phenylephrine)
- Z-Gen (multivitamin with minerals)
- Z-Tuss 2 (chlorpheniramine / guaifenesin / hydrocodone / pseudoephedrine)
- Z-tuss DM (dextromethorphan / guaifenesin / phenylephrine)
- Z-Tuss E (codeine / guaifenesin / pseudoephedrine)
- Zafemy (ethinyl estradiol / norelgestromin)
- Zalvit (multivitamin, prenatal)
- Zantryl (phentermine)
- Zaptec PSE (guaifenesin / pseudoephedrine)
- Zarah (drospirenone / ethinyl estradiol)
- Zatean-CH (multivitamin, prenatal)
- Zatean-PN (multivitamin, prenatal)
- Zatean-PN DHA (multivitamin, prenatal)
- Zatean-PN Plus (multivitamin, prenatal)
- Zcort (dexamethasone)
- ZE-Plus (multivitamin with minerals)
- Zebeta (bisoprolol)
- Zebutal (acetaminophen / butalbital / caffeine)
- Zegerid (omeprazole / sodium bicarbonate)
- Zegerid (Original Formulation) (omeprazole)
- Zegerid OTC (omeprazole / sodium bicarbonate)
- Zema Pak (dexamethasone)
- Zenate (multivitamin, prenatal)
- Zenate Advanced Formula (multivitamin, prenatal)
- Zenate Prenatal (multivitamin, prenatal)
- Zenchent (ethinyl estradiol / norethindrone)
- Zenchent Fe (ethinyl estradiol / norethindrone)
- Zenzedi (dextroamphetamine)
- Zeosa (ethinyl estradiol / norethindrone)
- Zepbound (tirzepatide)
- Zephrex (guaifenesin / pseudoephedrine)
- Zephrex LA (guaifenesin / pseudoephedrine)
- Zephrex-D (pseudoephedrine)
- Ziac (bisoprolol / hydrochlorothiazide)
- Zilretta (triamcinolone)
- Zinc Plus Lozenges (multivitamin with minerals)
- Zincvit (multivitamin with minerals)
- Zingiber (calcium / folic acid / ginger / pyridoxine)
- Ziphex (multivitamin, prenatal)
- Zitamin (multivitamin, prenatal)
- Zituvimet (metformin / sitagliptin)
- Zituvimet XR (metformin / sitagliptin)
- Zituvio (sitagliptin)
- Zocor (simvastatin)
- Zodeac-100 (multivitamin with minerals)
- Zoden DM Drops (chlorpheniramine / dextromethorphan / phenylephrine)
- ZoDex (dexamethasone)
- Zodryl DAC (chlorpheniramine / codeine / pseudoephedrine)
- Zodryl DEC (codeine / guaifenesin / pseudoephedrine)
- Zoloft (sertraline)
- Zonacort (dexamethasone)
- Zonalon (doxepin topical)
- Zorcaine (articaine / epinephrine)
- Zotex (dextromethorphan / guaifenesin / phenylephrine)
- Zotex GPX (guaifenesin / phenylephrine)
- Zotex HC (dexchlorpheniramine / hydrocodone / phenylephrine)
- Zotex LAX (dextromethorphan / guaifenesin / phenylephrine)
- Zotex Pediatric (dextromethorphan / guaifenesin / phenylephrine)
- Zotex-12 (dextromethorphan / phenylephrine / pyrilamine)
- Zotex-12D (chlorpheniramine / dextromethorphan / phenylephrine)
- Zotex-C (codeine / phenylephrine / pyrilamine)
- Zotex-D (carbetapentane / pseudoephedrine / pyrilamine)
- Zotex-DM (chlorpheniramine / dextromethorphan / guaifenesin / phenylephrine)
- Zotex-EX (dextromethorphan / guaifenesin / phenylephrine)
- Zotex-GP (guaifenesin / phenylephrine)
- Zotex-PE (brompheniramine / phenylephrine)
- Zovia 1 / 35 (ethinyl estradiol / ethynodiol)
- Zovia 1 / 35E (ethinyl estradiol / ethynodiol)
- Zovia 1 / 50E (ethinyl estradiol / ethynodiol)
- Zumandimine (drospirenone / ethinyl estradiol)
- Zumenon (estradiol)
- Zutripro (chlorpheniramine / hydrocodone / pseudoephedrine)
- Zymine DXR (pseudoephedrine / triprolidine)
- Zymine HC (hydrocodone / pseudoephedrine / triprolidine)
- Zymine-D (pseudoephedrine / triprolidine)
- Zyrphen (guaifenesin / phenylephrine)
- Zyrtec-D (cetirizine / pseudoephedrine)
- Zyrtec-D 12 Hour (cetirizine / pseudoephedrine)
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Related treatment guides
Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
No interaction information available. |
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.