Westhroid Drug Interactions

If diabetes medications, antacids, or calcium products are taken in conjunction with Westhroid, drug interactions could occur. These medicines can bind to Westhroid in the digestive tract and prevent it from being absorbed into the body. Other medicines that can cause negative drug interactions with Westhroid include colestipol, theophylline, cholestyramine, and estrogens.

Westhroid Thyroid Medication

An Overview of Westhroid Drug Interactions

Westhroid™ (thyroid USP) may interact with several other medications, including a few non-prescription products. Some of the medicines that may potentially lead to Westhroid drug interactions include:

Antacids
Calcium products (such as calcium supplements)
Certain seizure medications, such as:

Carbamazepine (Carbatrol^®, Epitol^®, Equetro^®, Tegretol^®)
Phenytoin (Dilantin^®, Phenytek^®)

Cholestyramine (Prevalite^®, Questran^®, Questran^® Light)
Colestipol (Colestid^®)
Diabetes medications
Estrogens, such as birth control pills, patches, rings, or hormone replacement therapy (HRT)
Theophylline (Uniphyl^®, Theocron^®, TheoCap^®, Theo-24^®, Elixophyllin^®)
Warfarin (Coumadin^®, Jantoven^®).

Westhroid Interactions Explained

The following sections explain in detail the potentially negative interactions that can occur when Westhroid is combined with any of the drugs listed above.

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