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 Levothyroxine Sodium. 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 Levothyroxine Sodium
Levothyroxine Sodium has 762 documented drug interactions. Always review the full list with a pharmacist before co-prescribing.
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 Levothyroxine Sodium. Always confirm against the full prescribing information.