
Precautions
Can Levaquin cause irregular heartbeat? Levofloxacin may cause diarrhea, and in some cases it can be severe. If you have low blood potassium or an abnormally slow heartbeat, levofloxacin may increase your risk of having a fast, slow, or irregular heartbeat, loss of consciousness, or fainting spells. Click to see full answer.
Can Levaquin cause heart palpitations?
Heart palpitations is found among people who take Levaquin, especially for people who are female, 60+ old, have been taking the drug for < 1 month. The phase IV clinical study analyzes which people take Levaquin and have Heart palpitations. It is created by eHealthMe based on reports of 52,225 people who have side effects when taking Levaquin from the FDA, and is …
What should I know about Levaquin before taking it?
· WARNINGS: Levaquin may rarely cause tendon damage (such as tendinitis, tendon rupture) during or after treatment. Your risk for tendon problems is greater if you are over 60 years of age, if you are taking corticosteroids (such as prednisone), or if you have had a kidney, heart or lung transplant. ... fast or irregular heartbeat; general body ...
What are the side effects of discontinuing Levaquin?
Levaquin is a pretty heavy duty antibiotic, so you are taking it for good reason most likely. Generally its for sinus infections which have not responded to other meds. I am thinking you may have had an allergy type reaction to the drug so read through the info the pharmacy provided you and see if the allergic reaction info fits what happened ...
Can Levaquin damage your tendons?
Our adrenal system is closely related to our hormones, so if your adrenals are having issues, it will effect hormones and could in turn cause heart palpitations. Also, if progesterone is off, that could cause it. Additionally, low Magnesium, low Vitamin D, low B12, - all an cause heart palpitations.

Can levofloxacin cause arrhythmia?
In a study on veterans in the USA,21 levofloxacin use was associated with a 3.13-fold increased risk of cardiac arrhythmias and a 2.49-fold increased risk of all-cause death compared with amoxicillin.
Does levofloxacin affect the heart?
In Ray et al.'s study [6], compared with patients treated with amoxicillin, patients using levofloxacin were associated with nonsignificant increase in the risk of cardiovascular deaths (HR: 1.50, 95% CI: 0.82 – 2.72) and all-cause deaths (HR: 1.15, 95% CI: 0.75 – 1.77).
Can Levaquin cause atrial fibrillation?
“There have been reports of higher rates of ventricular arrhythmias with certain antibiotics (macrolides like Azithromycin and fluoroquinolones like Levofloxacin). It's possible similar results could be found if looking for atrial arrhythmias, too.
Does levofloxacin cause fast heart rate?
Levofloxacin infusion increased the heart rate (HR) and prolonged the corrected QT (QTc) intervals significantly (baseline HR: 84.6 +/- 18.8 vs. HR at 60 minutes: 88.6 +/- 18, P = 0.02; baseline QTc: 413.5 +/- 36.9 milliseconds vs. QTc at 60 minutes: 426.1 +/- 34.7, P = 0,006).
Can levofloxacin cause heart palpitations?
If you have low blood potassium or an abnormally slow heartbeat, levofloxacin may increase your risk of having a fast, slow, or irregular heartbeat, loss of consciousness, or fainting spells. If these symptoms occur, tell your doctor right away.
Do antibiotics cause heart palpitations?
Story highlights. A popular antibiotic used to treat bacterial infections can cause abnormal – and possibly fatal – heart rhythms in some patients, according to a new warning from the Food and Drug Administration.
What antibiotic can cause arrhythmia?
Azithromycin and levofloxacin were both associated with elevated risks of death and serious cardiac arrhythmias during standard lengths of prescription.
Can antibiotics affect heart rhythm?
Antibiotics. Azithromycin (Zithromax) is an antibiotic that may speed up your heart rate. Other antibiotics, such as levofloxacin, amoxicillin, and ciprofloxacin, can change your heart rate, too. It's more likely to happen if you have heart disease.
How long does it take levofloxacin to get out of your system?
If the patient generally has good health, the body can eliminate Levaquin (levofloxacin) in about 30 to 40 hours, or about a day and a half to two days, but some side effects of the drug can show up as long as two months or longer after taking the medicine. Some of the adverse reactions are irreversible.
What is the most serious side effects of levofloxacin?
Serious side effectsAllergic reaction. ... Central nervous system effects. ... Tendon damage, including tendinitis (inflammation of the tendon) and tendon rupture (tear in the tendon). ... Peripheral neuropathy (nerve damage in your hands, feet, arms, or legs). ... Joint and muscle pain.Liver damage, which can be fatal.More items...
When should I be worried about heart palpitations?
You should contact your doctor if you experience heart palpitations frequently, for longer than a few seconds, or if they are accompanied by dizziness, loss of consciousness, chest or upper body pain, nausea, excessive or unusual sweating, and shortness of breath.
How do I stop heart palpitations?
The most appropriate way to treat palpitations at home is to avoid the triggers that cause the symptoms.Reduce stress. Try relaxation techniques, such as meditation, yoga or deep breathing.Avoid stimulants. ... Avoid illegal drugs.
Who should not take levofloxacin?
Who should not take LEVOFLOXACIN?diarrhea from an infection with Clostridium difficile bacteria.diabetes.low blood sugar.glucose-6-phosphate dehydrogenase (G6PD) deficiency.low amount of potassium in the blood.a low seizure threshold.pseudotumor cerebri, a condition with high fluid pressure in the brain.More items...
What is the side effects of levofloxacin?
Levofloxacin may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:nausea.vomiting.diarrhea.stomach pain.constipation.heartburn.vaginal itching and/or discharge.
Is levofloxacin a strong antibiotic?
Levaquin is a brand-name version of levofloxacin, a strong antibiotic used for treating several different infections, including pneumonia. Levaquin is approved by the Food and Drug Administration (FDA), and is one of a class of antibiotics called fluoroquinolones. These drugs work by killing bacteria in the body.
How do you stop the side effects of levofloxacin?
Avoid taking levofloxacin with antacids Antacids that contain magnesium and aluminum salts will reduce the absorption of levofloxacin. Talk to your healthcare provider about alternative antacids if you are on an antacid treatment while taking levofloxacin.
Does Levaquin cause side effects?
Side effects requiring immediate medical attention. Along with its needed effects, levofloxacin (the active ingredient contained in Levaquin) may cause some unwanted effects . Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects ...
Does levofloxacin cause numbness?
Check with your doctor immediately if any of the following side effects occur while taking levofloxacin: pain, inflammation, or swelling in the calves of the legs, shoulders, or hands, including tendon rupture or swelling of the tendon (tendinitis) burning, numbness, tingling, or painful sensation including peripheral neuropathy.
How does Levaquin work?
Levaquin is a brand (trade) name for levofloxacin. Levaquin (levofloxacin) works by inhibiting two bacterial enzymes, topoisomerase IV and DNA gyrase, both of which are vital for the manufacture and repair of bacterial DNA and other DNA processes. Levaquin kills bacteria.
Is Levaquin a generic?
Levaquin is available as a generic under the name levofloxacin. 3. Downsides. If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include: A headache, insomnia, nausea, diarrhea, constipation, and abdominal pain.
How does levofloxacin work?
How it works. Levaquin is a brand (trade) name for levofloxacin. Levaquin (levofloxacin) works by inhibiting two bacterial enzymes, topoisomerase IV and DNA gyrase, both of which are vital for the manufacture and repair of bacterial DNA and other DNA processes. Levaquin kills bacteria.
What is Levaquin used for?
2. Upsides. Levaquin may be used to treat infections of the skin, sinuses, kidneys, bladder, and prostate caused by susceptible bacteria. However, it is usually only used to treat urinary tract infections, chronic bronchitis, or sinusitis when other alternative treatment options have failed or cannot be used.
What are the side effects of taking a syringe?
If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include: A headache, insomnia, nausea, diarrhea, constipation, and abdominal pain.
What are the side effects of fluoroquinolone?
Other serious adverse effects include allergic pneumonitis, toxic epidermal necrolysis, hepatitis, anemia, and serious hypersensitivity reactions. An increased risk of aortic aneurysm and dissection has been reported in the first two months of fluoroquinolone use, particularly in elderly patients.
Can Clostridium difficile cause diarrhea?
May disturb blood glucose levels in people with diabetes; careful monitoring of blood glucose is required. Severe diarrhea associated with Clostridium difficile has been associated with most antibiotics, including Levaquin. This can occur up to two months after the administration of antibacterial agents.
What is Levaquin?
Levaquin has active ingredients of levofloxacin. It is often used in sinusitis. eHealthMe is studying from 52,963 Levaquin users for its effectiveness, alternative drugs and more.
What is Heart rate increased?
Heart rate increased is found to be associated with 3,229 drugs and 2,743 conditions by eHealthMe.
How to use the study?
You can use the report to supplement drug labels on your pill bottles or discuss it with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
How the study uses the data?
The study uses data from the FDA. It is based on levofloxacin (the active ingredients of Levaquin) and Levaquin (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.
Who is eHealthMe?
With medical big data and proven AI algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 600+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature.
We work with your doctor to manage your meds!
When serious adverse effects are detected in your trial, your doctor will be notified to check them out promptly. What you need to do:#N#1. start your phase IV clinical trial#N#2. ask your doctor to join eHealthMe professional network
WARNING, DISCLAIMER, USE FOR PUBLICATION
WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.
Can medicine cause side effects?
Side Effects. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur:
What does it mean when your legs are red?
pain, inflammation, or swelling in the calves of the legs, shoulders, or hands. redness and swelling of the skin. seeing, hearing, or feeling things that are not there. sensation of burning on the skin. severe mood or mental changes. stomach cramps or pain (severe) skin rash, itching, or redness. trembling.
What are the symptoms of a swollen calf?
Agitation. blisters. confusion. diarrhea (watery and severe) which may also be bloody. feeling that others can hear your thoughts or control your behavior. fever . pain, inflammation, or swelling in the calves of the legs, shoulders, or hands. redness and swelling of the skin.
What are the side effects of a syringe?
severe tiredness. tightness in the chest. unsteadiness or awkwardness. unusual bleeding or bruising. unusual tiredness or weakness. vision changes. voice changes. weakness in the arms, hands, legs, or feet. Some side effects may occur that usually do not need medical attention.
What does it mean when your stomach is red?
redness and swelling of the skin. seeing, hearing, or feeling things that are not there. sensation of burning on the skin. severe mood or mental changes. stomach cramps or pain (severe) skin rash, itching, or redness. trembling. unusual behavior.
Does azithromycin cause irregular heartbeat?
In March, 2013, the FDA announced that they were, “warning the public that azithromycin (Zithromax or Zmax) can cause abnormal changes in the electrical activity of the heart that may lead to a potentially fatal irregular heart rhythm. Patients at particular risk for developing this condition include those with known risk factors such as existing QT interval prolongation, low blood levels of potassium or magnesium, a slower than normal heart rate, or use of certain drugs used to treat abnormal heart rhythms, or arrhythmias.” The warning label for azithromycin was adjusted accordingly. Whether or not enough attention was paid to the updated warning label to change prescribing habits, or whether or not the updated warning label resulted in prevention of any irregular heart rhythm related deaths, are unknown.
Can medications cause QT to be longer?
According to the Mayo Clinic web site, “More than 50 medications, many of them common, can lengthen the QT interval in otherwise healthy people and cause a form of acquired long QT syndrome known as drug-induced long QT syndrome. Medications that can lengthen the QT interval and upset heart rhythm include certain antibiotics, antidepressants, antihistamines, diuretics, heart medications, cholesterol-lowering drugs, diabetes medications, as well as some antifungal and antipsychotic drugs.”
What is prolonged QT?
In long QT syndrome, your heart muscle takes longer than normal to recharge between beats. This electrical disturbance, which often can be seen on an electrocardiogram (ECG), is called a prolonged Q-T interval.”. A prolonged QT interval is significant because, “The prolongation of QT interval is a risk factor for sudden cardiac death independent ...
How long does it take to complete the Fluoroquinolone study?
The study is anonymous, takes 20-30 minutes to complete and is open to anyone who has used a fluoroquinolone antibiotic.
What are the risk factors for QT interval prolongation?
Patients at particular risk for developing this condition include those with known risk factors such as existing QT interval prolongation, low blood levels of potassium or magnesium, a slower than normal heart rate, or use of certain drugs used to treat abnormal heart rhythms, or arrhythmias.”.
Does Zithromax increase heart rate?
Azithromycin ( Zithromax) is an antibiotic that may speed up your heart rate. Other antibiotics, such as levofloxacin, amoxicillin, and ciprofloxacin, can change your heart rate, too. It’s more likely to happen if you have heart disease.
What does it mean when your heart beats faster?
What to Do. Several medications can affect the electrical signals in your heart and make your heart beat faster. (The medical term for a fast heart rate is tachycardia .) If you have a fast heart rate because of a medication, you also may feel: Lightheaded or dizzy. Short of breath.
What is the medical term for a fast heart rate?
Antidepressants. Supplements. What to Do. Several medications can affect the electrical signals in your heart and make your heart beat faster. (The medical term for a fast heart rate is tachycardia .)
What is the best medicine for hypothyroidism?
If your thyroid doesn’t make enough of a certain hormone (a condition called hypothyroidism ), you may take a drug called l evothyroxine ( Levothroid, Levoxyl, Synthroid) to replace that hormone. A fast heartbeat is a possible side effect of that drug.
What to do if you have a chest pain?
Whatever you think the reason may be, you should call 911 if you: 1 Have a hard time breathing 2 Have chest pain that lasts more than a few minutes

How It Works
Levofloxacin is used to treat a variety of bacterial infections.
May Treat: E. coli pyelonephritis · E. coli urinary tract infection · Enterobacter cloacae urinary tract infection · Enterococcus urinary tract infection · Haemophilus influenzae bronchitis and more
Drug Class: Fluoroquinolone Antibiotics · Ophthalmic Antibiotic - Fluoroquinolones
Availability: Prescription Required
Pregnancy: Consult a doctor before using
Lactation: Consult a doctor before using
May Treat: E. coli pyelonephritis · E. coli urinary tract infection · Enterobacter cloacae urinary tract infection · Enterococcus urinary tract infection · Haemophilus influenzae bronchitis and more
Drug Class: Fluoroquinolone Antibiotics · Ophthalmic Antibiotic - Fluoroquinolones
Availability: Prescription Required
Pregnancy: Consult a doctor before using
Lactation: Consult a doctor before using
Alcohol: Limit intake while taking this medication
Driving: May cause drowsiness or dizziness. Use caution
Manufacturer: JANSSEN PHARM.
Upsides
Downsides
Bottom Line
Tips
- Levaquin is a brand (trade) name for levofloxacin.
- Levaquin (levofloxacin) works by inhibiting two bacterial enzymes, topoisomerase IV and DNA gyrase, both of which are vital for the manufacture and repair of bacterial DNA and other DNA processes....
- Levaquin belongs to a group of medicines called fluoroquinolone antibiotics.
Response and Effectiveness
- Levaquin may be used to treat infections of the skin, sinuses, kidneys, bladder, and prostate caused by susceptible bacteria. However, it is usually only used to treat urinary tract infections, chr...
- Levaquin may also be used to treat certain types of lung infections, such as community-acquired pneumonia and nosocomial pneumonia due to methicillin-susceptible Staphylococc…
- Levaquin may be used to treat infections of the skin, sinuses, kidneys, bladder, and prostate caused by susceptible bacteria. However, it is usually only used to treat urinary tract infections, chr...
- Levaquin may also be used to treat certain types of lung infections, such as community-acquired pneumonia and nosocomial pneumonia due to methicillin-susceptible Staphylococcus aureus.
- May be given as a preventive measure when people have been exposed to anthrax and for the treatment of plague.
- May be used to treat chronic bacterial prostatitis due to certain organisms.
Interactions
- If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include: 1. A headache, insomnia, nausea, diarrhea, constipation, and abdominal pain. 2. Tendonitis and tendon rupture, peripheral neuropathy (nerve pain in fingers and toes), and central nervous sys...
References
- Levaquin treats a wide range of bacterial infections; however, it can cause some very severe and potentially irreversible side effects and should only be used to treat infections that have not responded to alternative treatment options.
Further Information
- Oral Levaquin tablets can be administered without regard to food. Take oral Levaquin solution one hour before or two hours after food. Take exactly as directed by your doctor.
- Take at least two hours before or two hours after antacids or preparations containing iron or zinc.
- Should be taken exactly as directed and for the time period indicated to reduce the risk of res…
- Oral Levaquin tablets can be administered without regard to food. Take oral Levaquin solution one hour before or two hours after food. Take exactly as directed by your doctor.
- Take at least two hours before or two hours after antacids or preparations containing iron or zinc.
- Should be taken exactly as directed and for the time period indicated to reduce the risk of resistant bacteria developing, unless side effects force early discontinuation.y include tendon problems,...
- If you miss a dose and it is 8 hours or more before your next dose, then take the missed dose. If it is less than 8 hours, skip that dose and just go back to your regular dosing schedule.