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PreCare Drug Interactions
If certain medications are taken with PreCare, drug interactions could potentially occur. Some of the medications that can lead to PreCare interactions include fluoroquinolone antibiotics, tetracycline antibiotics, bisphosphonates, and thyroid medications. These interactions may prevent the medicines from being absorbed into the body, so you may need to take PreCare a few hours before or after taking other medications.
An Overview of PreCare Interactions
(PreCare is no longer being manufactured and should no longer be sold in the United States. Please consult your healthcare provider for further information.)
PreCare Premium™ and PreCare® Chewables can potentially interact with a few other medications. Some of these medicines that may lead to PreCare drug interactions include:
- Bisphosphonate medications for osteoporosis or other bone conditions, including:
- Fluoroquinolone antibiotics, such as:
- Ciprofloxacin (Cipro®, Cipro® XR)
- Gatifloxacin (Tequin®)
- Levofloxacin (Levaquin®)
- Moxifloxacin (Avelox®)
- Norfloxacin (Noroxin®)
- Ofloxacin (Floxin®)
- Tetracycline antibiotics, such as:
- Doxycycline (Periostat®, Vibramycin®)
- Minocycline (Minocin®)
- Tetracycline (Sumycin®)
- Thyroid medications, including:
- Liothyronine (Cytomel®)
- Liotrix (Thyrolar®)
- Levothyroxine (Levothroid®, Levoxyl®, Synthroid®, Tirosint®, Unithroid®)
- Thyroid (Armor® Thyroid, Nature-Throid®).
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD



