Before taking moxifloxacin,
tell your doctor and pharmacist if you are allergic or have had a severe reaction to moxifloxacin, other quinolone or fluoroquinolone antibiotics such as ciprofloxacin (Cipro), delafloxacin (Baxdela), gatifloxacin (Tequin) (not available in the U.S.), gemifloxacin (Factive), levofloxacin (Levaquin), lomefloxacin (Maxaquin) (not available in the U.S.), nalidixic acid (NegGram) (not available in the U.S.), norfloxacin (Noroxin) (not available in the U.S.), ofloxacin (Floxin), and sparfloxacin (Zagam) (not available in the U.S.), or any other medications.
tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention the medications listed in the IMPORTANT WARNING section and any of the following: anticoagulants ('blood thinners') such as warfarin (Coumadin, Jantoven); certain antidepressants; antipsychotics (medications to treat mental illness); nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen (Advil, Motrin, others) and naproxen (Aleve, Naprosyn, others); cisapride (Propulsid) (not available in the U.S.); diuretics ('water pills'); erythromycin (E.E.S., Eryc, Erythrocin, others); insulin; medications for diabetes that are taken by mouth such as glimepiride (Amaryl, in Duetact), and glyburide (DiaBeta, Glynase, in Glucovance); or certain medications for irregular heartbeat including amiodarone (Cordarone, Nexterone, Pacerone), disopyramide (Norpace), procainamide , quinidine, and sotalol (Betapace, Betapace AF, Sorine. Sotylize). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
if you are taking antacids containing magnesium or aluminum (Maalox, Mylanta, others); didanosine (Videx) solution; sucralfate (Carafate); or vitamin supplements that contain iron or zinc, take moxifloxacin at least 4 hours before or at least 8 hours after you take any of these medications.
tell your doctor if you or anyone in your family has or has ever had a prolonged QT interval (a rare heart problem that may cause irregular heartbeat, fainting, or sudden death) or if you have or have ever had an irregular or slow heartbeat, or heart attack and if you have ,heart attack, low level of potassium or magnesium in your blood. Also tell your doctor if you have or have ever had diabetes or problems with low blood sugar, or liver disease.
tell your doctor if you are pregnant or plan to become pregnant or if you are breastfeeding. If you become pregnant while taking moxifloxacin, call your doctor.
Do not drive a car, operate machinery, or participate in activities requiring alertness or coordination until you know how moxifloxacin affects you.
plan to avoid unnecessary or prolonged exposure to sunlight or ultraviolet light (tanning beds and sunlamps) and to wear protective clothing, sunglasses, and sunscreen. Moxifloxacin may make your skin sensitive to sunlight. Call your doctor if you develop skin redness or blisters during your treatment with moxifloxacin.