Levothyroxine Interactions
Showing entire list of all interactions, including brand names and combination drugs.
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Medications known to interact with levothyroxine
W
- Wal-Zyr D (cetirizine / pseudoephedrine)
- warfarin
- WE Allergy (chlorpheniramine / methscopolamine / phenylephrine)
- We Mist II LA (guaifenesin / pseudoephedrine)
- We Mist LA (guaifenesin / pseudoephedrine)
- Wee Care (carbonyl iron)
- Wegovy (semaglutide)
- Welchol (colesevelam)
- Wellbid-D (guaifenesin / phenylephrine)
- Wellbid-D 1200 (guaifenesin / phenylephrine)
- Wellesse Calcium and Vitamin D (multivitamin with minerals)
- Wellesse Liquid Calcium with Vitamin D (calcium / vitamin d)
- Welltuss EXP (dihydrocodeine / guaifenesin / pseudoephedrine)
- Welltuss HC (chlorpheniramine / hydrocodone / pseudoephedrine)
- Wera (ethinyl estradiol / norethindrone)
- WesCap-C-DHA (multivitamin, prenatal)
- WesCap-PN DHA (multivitamin, prenatal)
- WesNate DHA (multivitamin, prenatal)
- West-Decon (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- West-Decon M (chlorpheniramine / phenylephrine / phenyltoloxamine)
- WesTab Plus (multivitamin, prenatal)
- Westrim (phenylpropanolamine)
- Westrim LA (phenylpropanolamine)
- WesTussin DM (dexchlorpheniramine / dextromethorphan / phenylephrine)
- Winstrol (stanozolol)
- Womens Pack (multivitamin with minerals)
- Wyamine Sulfate Injection (mephentermine)
- Wymzya Fe (ethinyl estradiol / norethindrone)
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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.