Levothyroxine Interactions
Showing entire list of all interactions, including brand names and combination drugs.
Go back to interactions summary
Medications known to interact with levothyroxine
U
- U-Tri-Lone (triamcinolone)
- Uceris (budesonide)
- Udamin (multivitamin with minerals)
- Udamin SP (multivitamin with minerals)
- ULR-LA (guaifenesin / phenylpropanolamine)
- Ultacan (articaine / epinephrine)
- Ultacan Forte (articaine / epinephrine)
- Ultimate OB DHA (multivitamin, prenatal)
- UltimateCare Advance (multivitamin, prenatal)
- UltimateCare Combo (multivitamin, prenatal)
- UltimateCare One (multivitamin, prenatal)
- UltimateCare One NF (multivitamin, prenatal)
- Ultra Hair, Skin and Nails Plus Biotin (multivitamin with minerals)
- Ultra Mylanta Calci Tabs (calcium carbonate)
- Ultra NatalCare (multivitamin, prenatal)
- Ultra-Natal (multivitamin, prenatal)
- Ultrabrom (brompheniramine / pseudoephedrine)
- Ultrabrom PD (brompheniramine / pseudoephedrine)
- Undecatrex (testosterone)
- Uni All 12 (carbetapentane / phenylephrine)
- Uni Bronchial (guaifenesin / theophylline)
- Uni Decon (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- Uni Kar Plus C SR (multivitamin with iron)
- Uni Multihist DM (brompheniramine / dextromethorphan / phenylpropanolamine)
- Uni Tuss HC (chlorpheniramine / hydrocodone / phenylephrine)
- Uni Tussin CF (dextromethorphan / guaifenesin / phenylpropanolamine)
- Uni Tussin PE (guaifenesin / pseudoephedrine)
- Uni-Cof (chlorpheniramine / dihydrocodeine / pseudoephedrine)
- Uni-Cof Expectorant (dihydrocodeine / guaifenesin / pseudoephedrine)
- Uni-Daily Plus Iron (multivitamin with iron)
- Uni-Dur (theophylline)
- Uni-Fac ZX (multivitamin with minerals)
- Uni-Hist DM Pediatric Drops (brompheniramine / dextromethorphan / pseudoephedrine)
- Uni-Hist DM Pediatric Syrup (brompheniramine / dextromethorphan / guaifenesin / pseudoephedrine)
- Uni-Hist PDX Drops (brompheniramine / dextromethorphan / pseudoephedrine)
- Uni-Hist PDX Syrup (brompheniramine / dextromethorphan / guaifenesin / phenylephrine)
- Uni-Lan (aluminum hydroxide / magnesium hydroxide / simethicone)
- Uni-Lan II (aluminum hydroxide / magnesium hydroxide / simethicone)
- Uni-Lev 5.0 (guaifenesin / hydrocodone / phenylephrine)
- Uni-Multihist D Ped (pheniramine / phenylpropanolamine / phenyltoloxamine / pyrilamine)
- Uni-Tann CS (carbetapentane / diphenhydramine / phenylephrine)
- Uni-Tann D (diphenhydramine / phenylephrine)
- Uni-Thera M with Beta Carotene (multivitamin with minerals)
- Uni-Tricof HC (chlorpheniramine / hydrocodone / phenylephrine)
- Uni-Tuss DM (chlorpheniramine / dextromethorphan / phenylephrine)
- Unicap M (multivitamin with minerals)
- Unicap Senior (multivitamin with minerals)
- Unicap T (multivitamin with minerals)
- Unicap with Iron (multivitamin with iron)
- Unicomplex M (multivitamin with minerals)
- Unifed (pseudoephedrine)
- Uniphyl (theophylline)
- Unit-Hist Drops (brompheniramine / pseudoephedrine)
- Unit-Tex 10 / 120 ER (brompheniramine / pseudoephedrine)
- Up and Up All Day Allergy Relief D (cetirizine / pseudoephedrine)
- UPCal D (calcium / vitamin d)
- UpSpring Baby Iron (multivitamin with iron)
- Urban (aluminum hydroxide / magnesium hydroxide / simethicone)
- Urban DS (aluminum hydroxide / magnesium hydroxide / simethicone)
- Urelief Plus (butabarbital / hyoscyamine / phenazopyridine)
- Urinozinc Prostate Classic (multivitamin with minerals)
- Urinozinc Prostate Health Complex Classic (multivitamin with minerals)
- Urinozinc Prostate Health Complex Plus (multivitamin with minerals)
- URL-Tannate (chlorpheniramine / phenylephrine / pyrilamine)
- Url-Tannate Pediatric (chlorpheniramine / phenylephrine / pyrilamine)
- Uro-Mag (magnesium oxide)
- Ursinus (aspirin / pseudoephedrine)
More about levothyroxine
- levothyroxine consumer information
- Check interactions
- Compare alternatives
- Pricing & coupons
- Reviews (878)
- Drug images
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Support group
- Drug class: thyroid drugs
- Breastfeeding
- En español
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. |
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.