Lefrex 500mg Tablet (LEVOFLOXACIN)

What is Lefrex tablet?

Lefrex tablet is a prescription antibiotic in the fluoroquinolone class. It is used to treat bacterial infections by killing or stopping the growth of bacteria.

What is the usual dose of Lefrex tablet?

The usual dose depends on the infection being treated, typically ranging from 250 mg to 750 mg once daily, for a duration specified by your healthcare provider.

How do I take Lefrex tablet?

Take Lefrex tablet exactly as prescribed by your doctor. Swallow the tablet whole with water, with or without food. Avoid taking it with dairy products or calcium-fortified drinks as they may reduce its effectiveness.

For how long do I take Lefrex tablet?

The duration depends on the condition being treated. It can range from 3 days to several weeks. Follow your doctor's instructions and complete the full course of treatment.

What is Lefrex tablet used for?

Lefrex tablet treats bacterial infections such as:

• Respiratory tract infections (e.g., pneumonia, bronchitis)
• Urinary tract infections (UTIs)
• Skin infections
• Sinus infections
• Prostatitis
• Certain types of diarrhea caused by bacteria

How long does it take for Lefrex tablet to start working?

Lefrex tablet typically starts working within a few hours to reduce bacterial growth, but noticeable symptom improvement can take 1-3 days depending on the infection.

Is Lefrex tablet effective?

Yes, Lefrex tablet is highly effective against many bacterial infections when taken as prescribed.

How does one know if Lefrex tablet is working?

Improvement in symptoms such as reduced fever, less pain, and better energy levels suggests Lefrex tablet is working. Contact your doctor if symptoms persist or worsen.

How does Lefrex tablet work?

Lefrex tablet works by inhibiting two bacterial enzymes: DNA gyrase and topoisomerase IV, which are crucial for bacterial DNA replication and repair. By blocking these enzymes, Lefrex tablet prevents the bacteria from replicating and repairing their DNA, ultimately leading to bacterial cell death. This action makes Lefrex tablet effective against a broad spectrum of Gram-positive and Gram-negative bacteria.

Who should avoid taking Lefrex tablet?

Lefrex tablet is a strong antibiotic, but it can cause serious problems like painful tendons (tendinitis), torn tendons, nerve damage (in your arms and legs or brain), and worsening of a muscle weakness condition (myasthenia gravis). If you experience any of these, stop taking the medicine right away and don't take it again. If you've had tendon problems before, you shouldn't take this antibiotic.

Can I take Lefrex tablet with vitamins or supplements?

Lefrex tablet can interact with vitamins and supplements containing calcium, magnesium, iron, or zinc, as these can reduce the absorption of the medication, making it less effective. It is recommended to avoid taking these supplements within 2 hours before or after taking Lefrex tablet. Always consult a healthcare provider before combining Lefrex tablet with any vitamins or supplements to ensure proper efficacy.

Can I take Lefrex tablet with other prescription drugs?

Lefrex tablet is a medicine that can have strong effects when taken with other medications. If you're taking it, you need to be extra careful. Taking it with blood thinners like warfarin increases bleeding chances, so your doctor will need to check your blood often. It can also affect blood sugar levels if you're on diabetes medicine, so careful monitoring is needed. Combining it with pain relievers like ibuprofen (NSAIDs) raises the risk of seizures. Finally, avoid taking it near antacids, sucralfate, or certain vitamins because they can stop it from working properly. Always talk to your doctor or pharmacist about all the medicines you are taking.

Can Lefrex tablet be taken safely while pregnant?

Lefrex tablet is generally avoided during pregnancy unless the benefits outweigh the risks. Consult your doctor for guidance.

Can Lefrex tablet be taken safely while breastfeeding?

Lefrex tablet may pass into breast milk and could harm a nursing infant. Discuss with your doctor before use.

Is Lefrex tablet safe for the elderly?

Lefrex tablet is generally safe for elderly patients but should be used cautiously, as they are at higher risk of tendon injury and kidney-related side effects.

How should I store Lefrex tablet?

Store Lefrex tablet at room temperature (68°F–77°F or 20°C–25°C), away from heat, moisture, and light

Does Lefrex tablet make people tired or drowsy?

Fatigue is a possible side effect, though not common. If you feel tired, consult your doctor.

Does Lefrex tablet cause stomach upset?

Yes, nausea, diarrhea, or stomach pain are common side effects.

Does Lefrex tablet affect sleep?

Lefrex tablet may cause insomnia or sleep disturbances in some people.

Does Lefrex tablet make it hard to think or concentrate?

Rarely, Lefrex tablet may cause confusion or difficulty concentrating. Contact your doctor if this occurs.

Does Lefrex tablet affect mood?

Mood changes such as anxiety, depression, or agitation are rare but possible. Report severe changes to your doctor.

Does Lefrex tablet interfere with sexual function?

Lefrex tablet is not commonly associated with sexual dysfunction.

Does Lefrex tablet affect appetite?

It may cause decreased appetite in some people.

Does Lefrex tablet cause weight gain?

Weight gain is not a typical side effect.

Does Lefrex tablet cause headaches?

Headaches are a possible side effect but usually mild.

Does Lefrex tablet limit driving?

Lefrex tablet can make you feel dizzy or lightheaded. This means you shouldn't drive, use machinery, or do anything that needs you to be alert and focused until you feel better.

Is it safe to drink alcohol while taking Lefrex tablet?

Avoid alcohol, as it may worsen side effects like dizziness or nausea.

Is it safe to drink coffee or tea while taking Lefrex tablet?

Yes, but excessive caffeine may worsen side effects like jitteriness or insomnia.

Is it safe to exercise while taking Lefrex tablet?

Avoid intense exercise, as Lefrex tablet increases the risk of tendon injuries. Consult your doctor about safe physical activity levels.

What are Lefrex tablet possible harms and risks?

Common side effects of Lefrex tablet include nausea, diarrhea, headache, dizziness, and insomnia. Significant adverse effects, though rare, may include tendon rupture, particularly in older adults or those on corticosteroids, QT prolongation (leading to abnormal heart rhythms), severe allergic reactions, and liver toxicity. If serious side effects occur, such as chest pain or joint pain, seek medical attention immediately.