Drug Interactions With Amoxicillin ER

If you are taking certain medications with amoxicillin ER, drug interactions may occur. Some of these interactions may alter the amounts of the medications in your blood, possibly increasing your risk of side effects or decreasing the medications' effectiveness. A few of the drugs that can combine negatively with amoxicillin ER include allopurinol, birth control pills, and other antibiotics.

Amoxicillin ER Drug Information

An Overview of Amoxicillin ER Interactions

Amoxicillin ER (Moxatag™) can potentially interact with several other medications. Some of the medicines that may lead to amoxicillin ER drug interactions include:

Allopurinol (Aloprim™, Zyloprim^®)
Birth control pills
Certain other antibiotics, such as:

Chloramphenicol
Macrolides, such as azithromycin (Zithromax^®), clarithromycin (Biaxin^®), or erythromycin (Ery-Tab^®)
Sulfonamides ("sulfa drugs"), including sulfadiazine, sulfadoxine (Fansidar^®), sulfamethoxazole (Bactrim^®, Septra^®), and sulfisoxazole (Gantrisin^®)
Tetracyclines, such as doxycycline (Periostat^®, Vibramycin^®), minocycline (Minocin^®), and tetracycline (Sumycin^®)

Methotrexate (Rheumatrex^®, Trexall™)
Oral typhoid vaccine
Probenecid (Benuryl™).

Amoxicillin ER Drug Interactions Explained

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

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