Generic Name: Tavanic Brand Name(s): Generics only. No brands available.


What is Tavanic® (Levofloxacin) used for?

Tavanic® is commonly used for treating acute bacterial sinusitis, acute bacterial exacerbations of chronic bronchitis, community-acquired pneumonia, pyelonephritis, complicated urinary tract infections, uncomplicated cystitis, chronic bacterial prostatitis, complicated skin and soft tissue infections, inhalation anthrax.

Tavanic® may be prescribed for other uses. Ask your doctor or pharmacist for more information.

How should I take Tavanic® (Levofloxacin)?

To use tablets properly:

It comes as a tablet to take by mouth, with or without food, swallow tablet with a glass of water.

To use solution injection:

This product will be given by your doctor or nurse. Ask your health care provider any questions you may have about how to use medication.

How do I store Tavanic® (Levofloxacin)?

Tavanic® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Tavanic® in the bathroom or the freezer. There may be different brands of Tavanic® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Tavanic® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using Tavanic® (Levofloxacin)?

Consult with your doctor or pharmacist, if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of Tavanic® or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using this medication during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Tavanic®. Tavanic® is pregnancy risk category C, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk;
  • B=No risk in some studies;
  • C=There may be some risk;
  • D=Positive evidence of risk;
  • X=Contraindicated;
  • N=Unknown.

Always consult your health care provider prior to using Tavanic® if you are pregnant, breastfeeding.

Side effects

What side effects can occur from Tavanic® (Levofloxacin)?

Tavanic® may cause these side effects, such as:

  • Signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat, chest pain and severe dizziness, fainting, fast or pounding heartbeats;
  • Mild diarrhea, constipation, vomiting;
  • Sleep problems (insomnia);
  • Mild headache or dizziness;
  • Vaginal itching or discharge.

Stop using Tavanic® when appearing these side effects:

  • Sudden pain, snapping or popping sound, bruising, swelling, tenderness, stiffness, or loss of movement in any of your joints;
  • Diarrhea that is watery or bloody;
  • Confusion, hallucinations, depression, tremors, feeling restless or anxious, unusual thoughts or behavior, insomnia, nightmares, seizure (convulsions);
  • A severe headache, ringing in your ears, nausea, vision problems, pain behind your eyes;
  • Pale skin, fever, weakness, easy bruising or bleeding;
  • Nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • Urinating less than usual or not at all;
  • Numbness, burning pain, or tingly feeling in your hands or feet;
  • The first sign of any skin rash, no matter how mild;
  • Severe skin reaction, fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side effect, please consult your doctor or pharmacist.


What drugs may interact with Tavanic® (Levofloxacin)?

Tavanic® may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

  • Taking Tavanic® with iron salts, zinc-salts, antacids, didanosine may significantly reduce the absorption of Tavanic®.
  • Taking Tavanic® with Sucralfate lead to reduce the bioavailability of Tavanic® significantly.
  • Taking Tavanic® with Theophylline, fenbufen or similar non-steroidal anti-inflammatory drugs lower the cerebral seizure threshold.
  • Taking Tavanic® with Probenecid and cimetidine significantly effect on the elimination of levofloxacin.
  • Taking Tavanic® with Cyclosporin make the half-life of cyclosporin was increased by 33%.
  • Tavanic® with class IA and III antiarrhythmics, tricyclic antidepressants, macrolides, antipsychotics to prolong the QT interval.

Does food or alcohol interact with Tavanic® (Levofloxacin)?

Tavanic® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Tavanic® (Levofloxacin)?

Tavanic® may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

  • Myasthenia gravis;
  • A heart rhythm disorder;
  • A history of allergic reaction to an antibiotic;
  • Joint problems;
  • Kidney or liver disease;
  • Seizures or epilepsy;
  • A history of head injury or brain tumor;
  • High pressure inside the skull that may cause headaches, vision loss, or other symptoms;
  • Diabetes;
  • Muscle weakness or trouble breathing;
  • Low levels of potassium in your blood (hypokalemia);
  • A personal or family history of long QT syndrome.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using this medication.

What is the dose of Tavanic® (Levofloxacin) for an adult?

Acute bacterial sinusitis:

500 mg once daily, 10 – 14 days.

Acute bacterial exacerbations of chronic bronchitis:

500 mg once daily, 7 – 10 days.

Community-acquired pneumonia:

500 mg once or twice daily, 7 – 14 days.


500 mg once daily, 3-10 days.

Complicated urinary tract infections

500 mg once daily, 7 – 14 days.

Uncomplicated cystitis

250 mg once daily, 3 days.

Chronic bacterial prostatitis

500 mg once daily, 28 days.

Complicated skin and soft tissue infections

500 mg once or twice daily, 7 – 14 days.

Inhalation Anthrax

500mg once daily, 8 weeks.

What is the dose of Tavanic® (Levofloxacin) for a child?

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.

How is Tavanic® (Levofloxacin) available?

Tavanic® is available in the following dosage forms and strengths:

  • Tavanic® film-coated tablets 500mg.
  • Tavanic® solution injection 250 mg/50 ml, 500 mg/100 ml.

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services (115) or go to your nearest emergency room.

It is also important to carry a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking with you in case of emergencies.

What should I do if I miss a dose?

If you miss a dose of Tavanic®, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: November 22, 2016 | Last Modified: January 4, 2017