Do not take this medicine with any of the following medications:

-cisapride
-dronedarone
-pimozide
-thioridazine

This medicine may also interact with the following medications:

-antacids
-birth control pills
-certain medicines for diabetes, like glipizide, glyburide, or insulin
-certain medicines that treat or prevent blood clots like warfarin
-didanosine buffered tablets or powder
-multivitamins
-NSAIDS, medicines for pain and inflammation, like ibuprofen or naproxen
-other medicines that prolong the QT interval (cause an abnormal heart rhythm) like dofetilide, ziprasidone
-sucralfate

They need to know if you have any of these conditions:

-bone problems
-diabetes
-heart disease
-high blood pressure
-history of irregular heartbeat
-history of low levels of potassium in the blood
-joint problems
-kidney disease
-liver disease
-mental illness
-myasthenia gravis
-seizures
-tendon problems
-tingling of the fingers or toes, or other nerve disorder
-an unusual or allergic reaction to moxifloxacin, other quinolone antibiotics, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Tell your doctor or health care provider if your symptoms do not start to get better or if they get worse.

This medicine may cause serious skin reactions. They can happen weeks to months after starting the medicine. Contact your health care provider right away if you notice fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. Or, you might notice a red rash with swelling of the face, lips or lymph nodes in your neck or under your arms.

Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

This medicine may increase blood sugar. Ask your health care provider if changes in diet or medicines are needed if you have diabetes.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.