Check all documented drug-to-drug interactions. Major, moderate, and minor interactions with descriptions.
A therapy excluded from this list does not necessarily mean no interaction exists between that therapy and Levo-T. Always confirm against the full prescribing information.
100 interactions
Acalabrutinib
The therapeutic efficacy of Levothyroxine can be decreased when used in combination with Acalabrutinib.
Level 1 evidence
Acebutolol
The therapeutic efficacy of Levothyroxine can be decreased when used in combination with Acebutolol.
Level 2 evidence
Acetylsalicylic acid
The therapeutic efficacy of Levothyroxine can be increased when used in combination with Acetylsalicylic acid.
Level 2 evidence
Afatinib
The serum concentration of Afatinib can be decreased when it is combined with Levothyroxine.
Level 2 evidence
Aldesleukin
The therapeutic efficacy of Levothyroxine can be decreased when used in combination with Aldesleukin.
Level 1 evidence
Alectinib
The therapeutic efficacy of Levothyroxine can be decreased when used in combination with Alectinib.
Level 1 evidence
Almasilate
Almasilate can cause a decrease in the absorption of Levothyroxine resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 1 evidence
Almotriptan
The metabolism of Almotriptan can be decreased when combined with Levothyroxine.
Level 2 evidence
Aluminium phosphate
Aluminium phosphate can cause a decrease in the absorption of Levothyroxine resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 1 evidence
Aluminum hydroxide
The serum concentration of Levothyroxine can be decreased when it is combined with Aluminum hydroxide.
Level 1 evidence
Aminophylline
Levothyroxine may increase the excretion rate of Aminophylline which could result in a lower serum level and potentially a reduction in efficacy.
Level 1 evidence
Aminosalicylic acid
The therapeutic efficacy of Levothyroxine can be increased when used in combination with Aminosalicylic acid.
Level 2 evidence
Enter your NPI to unlock 7 major interactions for Levo-T
Levo-T (Levothyroxine Sodium) has 762 documented drug interactions. Always review the full list with a pharmacist before co-prescribing.
Levo-T (Levothyroxine Sodium) has 67 major, 293 moderate, and 402 minor documented interactions.
A therapy excluded from this list does not necessarily mean no interaction exists between that therapy and Levo-T. Always confirm against the full prescribing information.