When taking famciclovir, a prescription medication used to treat viral infections, certain drugs should be avoided to prevent adverse reactions or reduced drug effectiveness. According to the Mayo Clinic, individuals should inform their healthcare provider about all the medications they are currently taking, including over-the-counter drugs, vitamins, and supplements, before starting famciclovir [2].
One drug that should be avoided while taking famciclovir is probenecid, a medication used to treat gout and gouty arthritis. Probenecid can increase the amount of famciclovir in the body, which may lead to increased side effects [2].
In addition, individuals taking famciclovir should avoid taking antacids that contain aluminum or magnesium, such as Mylanta and Tums, within one hour of taking famciclovir. These antacids can reduce the amount of famciclovir that is absorbed by the body, making it less effective [3].
Furthermore, it is essential to avoid taking famciclovir with other medications that can harm the kidneys, such as intravenous amphotericin B, cyclosporine, tacrolimus, and nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen [2].
It is important to note that this information is not exhaustive, and other drugs may interact with famciclovir. Therefore, it is crucial to consult a healthcare provider or pharmacist for a complete list of drugs to avoid while taking famciclovir.
In summary, individuals should avoid taking probenecid, antacids containing aluminum or magnesium, and other medications that can harm the kidneys while taking famciclovir. It is essential to consult a healthcare provider or pharmacist for a complete list of drugs to avoid while taking famciclovir.
Sources:
[1] DrugPatentWatch. Famciclovir. <https://www.drugpatentwatch.com/p/tradename/FAMCICLOVIR>
[2] Mayo Clinic. Famciclovir (Oral Route) Precautions. <https://www.mayoclinic.org/drugs-supplements/famciclovir-oral-route/precautions/drg-20063776?p=1>
[3] MedlinePlus. Famciclovir. <https://medlineplus.gov/druginfo/meds/a681045.html>