Drug Interaction Report

Using sodium bicarbonate together with aspirin may decrease the effects of aspirin. Contact your doctor if your condition changes. If your doctor does prescribe these medications together, you may need a dose adjustment or special test to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Grepafloxacin may rarely cause central nervous system side effects such as tremors, involuntary muscle movements, anxiety, confusion, depression, hallucinations or seizures, and combining it with other medications that can also affect the central nervous system such as aspirin may increase that risk. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Consumer information for this interaction is not currently available.

GENERALLY AVOID: Urinary alkalinizers such as citrates may decrease the solubility of fluoroquinolones in the urine and increase the risk of crystalluria.

MANAGEMENT: Concomitant use should generally be avoided. Patients receiving this combination should be monitored for signs of renal toxicity and crystalluria.

Talk to your doctor before using citric acid together with grepafloxacin. Citric acid can change the acidity of your urine, which may cause grepafloxacin to crystallize and form stones. This may also occur if you are dehydrated, so you should drink plenty of fluids during treatment with grepafloxacin. Let your doctor know if you experience flank pain, painful urination, or blood in the urine. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Ask your doctor before using aspirin together with ethanol (alcohol). Do not drink alcohol while taking aspirin. Alcohol can increase your risk of stomach bleeding caused by aspirin. Call your doctor at once if you have symptoms of bleeding in your stomach or intestines. This includes black, bloody, or tarry stools, or coughing up blood or vomit that looks like coffee grounds. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Information for this minor interaction is available on the professional version.