Drug Interactions between norfloxacin and TriNessa

Taking norfloxacin with food or products that contain minerals like calcium, iron, magnesium and zinc can interfere with its absorption and reduce its levels in the blood and urinary tract. This may make the medication less effective in treating your infection. You should take norfloxacin on an empty stomach at least one hour before or two hours after eating a meal or consuming milk or other dairy products. Do not use mineral supplements, multivitamins, antacids, or other products that may contain calcium, iron, magnesium or zinc within the two-hour period before or after taking norfloxacin. Talk to your doctor or pharmacist if you have questions on how to take this or other medications you are prescribed. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medication without first talking to your doctor.

Grapefruit juice may increase the blood levels of certain medications such as norgestimate. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with norgestimate. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.

Norfloxacin and multivitamin with minerals should not be taken orally at the same time. Products that contain magnesium, aluminum, calcium, iron, and/or other minerals may interfere with the absorption of norfloxacin into the bloodstream and reduce its effectiveness. If possible, it may be best to avoid taking multivitamin with minerals while you are being treated with norfloxacin. Otherwise, norfloxacin should be taken 2 to 4 hours before or 4 to 6 hours after a multivitamin with minerals dose, norfloxacin should be taken at least 2 hours before and not less than 6 hours after Suprep Bowel Prep (magnesium/potassium/sodium sulfates), or norfloxacin and multivitamin with minerals should be taken as directed by your healthcare provider. Talk to your healthcare provider if you are unsure whether your medications contain something that could potentially interact or if you have questions on how to take this or other medications you are prescribed. 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.

Using caffeine together with norfloxacin may increase the effects of caffeine. Contact your doctor if you experience headache, tremor, restlessness, nervousness, insomnia, and increased blood pressure or heart rate. 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.

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

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