by Eric Christianson | Oct 22, 2025 | Infectious Disease and Oncology Medication and Disease State Clinical Pearls
UTI prophylaxis is a relatively common occurance in geriatrics and long term care. Antibiotic use on a chronic basis comes with some challenges and mistakes can absolutely happen. More meds, more problems. Making sure chronic antibiotics are safe and effective is an...
by Eric Christianson | Jun 11, 2025 | Drug Interaction Case Studies and Education For Pharmacists
Trimethoprim-sulfamethoxazole (Bactrim) is a commonly prescribed antibiotic for urinary tract and other infections. However, it’s also associated with several clinically significant drug interactions that can lead to serious patient harm if overlooked. Here are my top...
by Eric Christianson | Aug 25, 2024 | Infectious Disease and Oncology Medication and Disease State Clinical Pearls
Bactrim (sulfamethoxazole/trimethoprim) is a commonly used antibiotic associated with many adverse events that include neutropenia, thrombocytopenia, rash, hepatitis, and electrolyte abnormalities. Bactrim also has the potential to elevate serum creatinine but it may...
by Eric Christianson | Aug 21, 2024 | Infectious Disease and Oncology Case Studies
EJ is a 54-year-old female with a history of rheumatoid arthritis. She has been on methotrexate (with folic acid supplementation) for years with relatively few RA flares over the last 10 years. She was recently diagnosed with a urinary tract infection and was...
by Eric Christianson | May 15, 2024 | Infectious Disease and Oncology Medication and Disease State Clinical Pearls
Antibiotics are an essential tool to treat infections. I’ve seen a lot of drug interactions involving antibiotics that have led to anything from treatment failure to drug toxicity. In this blog post, I share my top 5 antibiotic drug interactions you are likely...