Medically reviewed on May 2, 2018
- This medicine may cause very bad side effects. These include irritated or torn tendons; nerve problems in the arms, hands, legs, or feet; and nervous system problems. These side effects can happen alone or at the same time. They can happen within hours to weeks after starting this drug. Some of these side effects may not go away, and may lead to disability or death. Talk with the doctor.
- The chance of irritated or torn tendons is greater in people over the age of 60; heart, kidney, or lung transplant patients; or people taking steroid drugs. Tendon problems can happen as long as several months after treatment. Call your doctor right away if you have pain, bruising, or swelling in the back of the ankle, shoulder, hand, or other joints. Call you doctor right away if you are not able to move or bear weight on a joint or if you hear or feel a snap or pop.
- Call your doctor right away if you have signs of nerve problems. These may include not being able to handle heat or cold; change in sense of touch; or burning, numbness, tingling, pain, or weakness in the arms, hands, legs, or feet.
- Call your doctor right away if you have signs of nervous system problems. These may include anxiety, bad dreams, trouble sleeping, change in eyesight, dizziness, feeling confused, feeling nervous or agitated, feeling restless, hallucinations (seeing or hearing things that are not there), new or worse behavior or mood changes like depression or thoughts of killing yourself, seizures, or very bad headaches.
- Do not take if you have myasthenia gravis. Very bad and sometimes deadly breathing problems have happened with this medicine (moxifloxacin tablets) in people who have myasthenia gravis.
- For some health problems, this medicine (moxifloxacin tablets) is only for use when other drugs cannot be used or have not worked. Talk with the doctor to be sure that the benefits of this medicine (moxifloxacin tablets) are more than the risks.
Uses of Moxifloxacin Tablets:
- It is used to treat bacterial infections.
What do I need to tell my doctor BEFORE I take Moxifloxacin Tablets?
- If you have an allergy to moxifloxacin or any other part of this medicine (moxifloxacin tablets).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Long QTc on ECG or other heartbeat that is not normal, slow heartbeat, or low potassium or magnesium levels.
- If you have had a recent heart attack.
- If you have ever had any of these health problems: Nerve problems or tendon problems.
- If you have had tendons get irritated or torn when taking this medicine (moxifloxacin tablets) or an alike drug in the past.
- If you have been taking any drugs to treat a heartbeat that is not normal.
- If you are taking any drugs that can cause a certain type of heartbeat that is not normal (prolonged QT interval). There are many drugs that can do this. Ask your doctor or pharmacist if you are not sure.
This is not a list of all drugs or health problems that interact with this medicine (moxifloxacin tablets).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine (moxifloxacin tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Moxifloxacin Tablets?
- Tell all of your health care providers that you take this medicine (moxifloxacin tablets). This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how this medicine (moxifloxacin tablets) affects you.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- If you have high blood sugar (diabetes), you will need to watch your blood sugar closely.
- Tell your doctor if you have signs of high or low blood sugar like breath that smells like fruit, dizziness, fast breathing, fast heartbeat, feeling confused, feeling sleepy, feeling weak, flushing, headache, more thirsty or hungry, passing urine more often, shaking, or sweating.
- If you are taking warfarin, talk with your doctor. You may need to have your blood work checked more closely while you are taking it with this medicine (moxifloxacin tablets).
- Do not use longer than you have been told. A second infection may happen.
- You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun.
- Very bad and sometimes deadly allergic side effects have rarely happened. Talk with your doctor.
- Rarely, very bad and sometimes deadly effects have happened with this medicine (moxifloxacin tablets). These include muscle or joint, kidney, liver, blood, and other problems. Talk with the doctor if you have questions.
- A type of abnormal heartbeat (prolonged QT interval) can happen with this medicine (moxifloxacin tablets). Call your doctor right away if you have a fast heartbeat, a heartbeat that does not feel normal, or if you pass out.
- This medicine is not approved for use in children younger than 18 years of age. Talk with the doctor.
- If you are over the age of 60, use this medicine (moxifloxacin tablets) with care. You could have more side effects.
- This medicine may cause harm to the unborn baby if you take it while you are pregnant. If you are pregnant or you get pregnant while taking this medicine (moxifloxacin tablets), call your doctor right away.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
How is this medicine (Moxifloxacin Tablets) best taken?
Use this medicine (moxifloxacin tablets) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take this medicine (moxifloxacin tablets) at the same time of day.
- Take with or without food.
- Swallow tablet whole. Do not chew, break, or crush.
- Take this medicine (moxifloxacin tablets) at least 4 hours before or 8 hours after antacids, some forms of didanosine, quinapril, sucralfate, multivitamins, or products that contain magnesium, aluminum, zinc, or iron.
- Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
- To gain the most benefit, do not miss doses.
- Keep using this medicine (moxifloxacin tablets) as you have been told by your doctor or other health care provider, even if you feel well.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take more than 1 dose of this medicine (moxifloxacin tablets) in the same day.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- Chest pain or pressure.
- Fever or chills.
- Ringing in ears.
- Shortness of breath.
- Any unexplained bruising or bleeding.
- Not able to pass urine or change in how much urine is passed.
- Not able to sleep.
- Trouble walking.
- Vaginal itching or discharge.
- White patches in mouth.
- Muscle pain or weakness.
- Very bad and sometimes deadly liver problems have happened with this medicine (moxifloxacin tablets). Call your doctor right away if you have signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
- It is common to have diarrhea when taking this medicine (moxifloxacin tablets). Rarely, a very bad form of diarrhea called Clostridium difficile (C diff)–associated diarrhea (CDAD) may occur. Sometimes, this has led to a deadly bowel problem (colitis). CDAD may happen while you are taking this medicine (moxifloxacin tablets) or within a few months after you stop taking it. Call your doctor right away if you have stomach pain or cramps, very loose or watery stools, or bloody stools. Do not try to treat loose stools without first checking with your doctor.
What are some other side effects of Moxifloxacin Tablets?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Upset stomach.
- Loose stools (diarrhea).
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Moxifloxacin Tablets?
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- This medicine comes with an extra patient fact sheet called a Medication Guide. Read it with care. Read it again each time this medicine (moxifloxacin tablets) is refilled. If you have any questions about this medicine (moxifloxacin tablets), please talk with the doctor, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about moxifloxacin
- Moxifloxacin Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Images
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 165 Reviews – Add your own review/rating
- Drug class: quinolones
- Moxifloxacin Injection
- Moxifloxacin (Advanced Reading)
- Moxifloxacin Intravenous (Advanced Reading)