What Is Clindamycin?
Potential Medication Interactions

Taking clindamycin with other medications could cause potential medication interactions. These may result in serious side effects. To reduce the risk of possible interactions, patients should let their doctor know about the medicines and supplements they take. This includes prescriptions, over-the-counter drugs, herbal supplements, vitamins, and minerals. Currently, there are sixty-six recognized interactions associated with this medication. Patients who use ketoconazole, rifampin, or ritonavir may need to adjust their doses.
Patients should not take this antibiotic with erythromycin. It can also interact with indinavir, nefazodone, and nelfinavir. Also, clindamycin can prolong the effects of anesthetics. It may also interfere with birth control. Additionally, clindamycin is known to reduce BCG's effectiveness. This is a medication used to treat non-invasive bladder cancer. After clindamycin has been prescribed, patients should have their pharmacist check their current medications for potential interactions. This should be done at each prescription refill too.