Common use

Levaquin (levofloxacin) is a powerful prescription antibiotic that belongs to the fluoroquinolone class of antibacterial agents. It works by inhibiting bacterial DNA gyrase and topoisomerase IV, which effectively stops the multiplication of bacteria by preventing the reproduction and repair of their genetic material. Other well-known fluoroquinolone medications in this group include Cipro (ciprofloxacin), Noroxin, Floxin, Trovan, and Maxaquin. Doctors prescribe Levaquin to treat a wide range of bacterial infections, including community-acquired pneumonia, chronic bronchitis exacerbations, acute sinusitis, urinary tract infections (UTIs), kidney infections (pyelonephritis), skin and soft tissue infections, and prostate infections. Levofloxacin is also approved for use in patients who have been exposed to inhalational anthrax as part of post-exposure prophylaxis. When you buy Levaquin online from a licensed pharmacy, you receive the same high-quality fluoroquinolone antibiotic used in hospitals and clinics worldwide for effective pneumonia treatment, UTI treatment, and sinusitis treatment. Levaquin generic (levofloxacin) offers the same therapeutic benefits at a more affordable price, making this proven bacterial infection remedy accessible to more patients who need reliable antibiotic therapy.



Dosage and directions

Each dose of Levaquin should be taken with a full glass of water, either on an empty stomach or together with a meal, at evenly spaced time intervals to maintain consistent drug levels in the body. The typical dosage of levofloxacin varies depending on the type and severity of the bacterial infection being treated. For pneumonia treatment and sinusitis treatment, doctors commonly prescribe 500 mg or 750 mg once daily for 5 to 14 days. For UTI treatment, the usual course is 250 mg to 500 mg once daily for 3 to 10 days. Your doctor will determine the exact dose and duration based on your specific condition. To avoid the formation of Levaquin crystals in urine and to support kidney function during treatment, it is strongly recommended to drink more water than usual throughout your entire course of antibiotic therapy. Do not crush, split, or chew extended-release tablets. Complete the full prescribed course of this fluoroquinolone antibiotic even if you start feeling better, as stopping early may allow bacteria to survive and develop resistance.



Precautions

When taking Levaquin (levofloxacin), avoid prolonged exposure of your body to UV radiation, including direct sunlight and tanning beds, as fluoroquinolone antibiotics can significantly increase your skin's sensitivity to ultraviolet light, potentially causing severe sunburn. Wear protective clothing and apply sunscreen with high SPF during treatment. Be especially careful if you need to perform work that requires high concentration of attention and fast reaction times, such as driving or operating heavy machinery, since levofloxacin may cause dizziness, lightheadedness, or visual disturbances. Before you buy levofloxacin or begin treatment, inform your doctor if you have any serious medical conditions, including kidney or liver disease, myasthenia gravis, joint or tendon problems, a history of seizures or epilepsy, diabetes, a personal or family history of Long QT syndrome, heart rhythm disorders, low levels of potassium in your blood (hypokalemia), or low magnesium levels. Patients over 60 years of age, those taking corticosteroids, and organ transplant recipients face an increased risk of tendon inflammation and rupture while using this fluoroquinolone antibiotic. Stop taking Levaquin and contact your healthcare provider immediately if you experience tendon pain, swelling, or inflammation.



Contraindications

Levaquin is contraindicated in persons with a known history of hypersensitivity to levofloxacin, any other quinolone or fluoroquinolone antibiotics, or any other components of this product. Patients who have previously experienced tendon disorders related to fluoroquinolone use should not take this antibiotic. Levofloxacin is not recommended for use in children and adolescents under 18 years of age except in specific clinical situations determined by a physician, due to the potential risk of musculoskeletal adverse effects. This medication should not be used by patients with a known history of myasthenia gravis, as fluoroquinolones including Levaquin may exacerbate muscle weakness associated with this condition.



Possible side effects

The most frequently reported adverse reactions when taking Levaquin (levofloxacin) are nausea and vomiting, diarrhea, headache, and constipation. These common side effects of this fluoroquinolone antibiotic are usually mild and tend to resolve on their own as your body adjusts to the medication. Less common side effects include difficulty sleeping (insomnia), dizziness, skin rash, flatulence, abdominal pain in the upper stomach area, and itching. Levofloxacin should be used with caution in patients with central nervous system diseases, as the antibiotic may lower the seizure threshold. Serious but rare adverse effects may include tendon rupture or tendinitis, peripheral neuropathy (tingling, numbness, or burning sensations in hands or feet), and changes in blood sugar levels. Allergic reactions such as hives, facial swelling, difficulty breathing, and anaphylaxis are also possible and require immediate medical attention. If you experience any severe or persistent side effects while taking this bacterial infection treatment, discontinue use and consult your healthcare provider promptly.



Drug interactions

Avoid taking antacids that contain magnesium and aluminum (such as Tums or Rolaids), the anti-ulcer medication Carafate (sucralfate), multivitamins, or mineral supplements rich in iron or zinc at the same time as Levaquin, as their interaction significantly decreases the absorption and effectiveness of this fluoroquinolone antibiotic. Separate these medications from your levofloxacin dose by at least two hours before or two hours after taking Levaquin to ensure optimal drug absorption. Drug interaction is also possible with didanosine (Videx, Videx EC). Before you buy Levaquin online or begin your treatment course, inform your doctor if you are currently taking any of the following medications: theophylline products (Theo-Dur, Theolair, Slo-Phyllin, Slo-Bid, Elixophyllin), warfarin (Coumadin) or other blood thinners, insulin or any oral diabetes medications (Glucotrol, Micronase, Diabeta, Glynase), non-steroidal anti-inflammatory drugs or NSAIDs (Motrin, Advil, Nuprin, Aleve, Naprosyn, Anaprox, Orudis KT, Orudis, Oruvail), corticosteroids, or any medications known to prolong the QT interval on an electrocardiogram. Combining levofloxacin with certain other drugs can increase the risk of serious side effects, so a complete medication review by your healthcare provider is essential before starting this antibiotic.



Missed dose

If you missed a dose of Levaquin, take it as soon as you remember. However, if it is almost time for your next scheduled dose of levofloxacin, skip the missed dose and return to your regular dosing schedule. Never take a double dose of this fluoroquinolone antibiotic to make up for a missed one, as this could increase the risk of adverse side effects without improving treatment outcomes. Maintaining a consistent dosing schedule is important for the effectiveness of any antibiotic therapy against bacterial infections.



Overdose

In case of a suspected Levaquin overdose, seek emergency medical attention immediately. Symptoms of levofloxacin overdose may include serious and persistent nausea, vomiting, stomach pain, diarrhea, dizziness, confusion, tremors, seizures, and blood in your urine. Contact your local poison control center or go to the nearest emergency room if you believe you have taken more than the prescribed amount of this fluoroquinolone antibiotic. There is no specific antidote for levofloxacin overdose, so treatment is generally supportive and based on presenting symptoms.



Storage

Store Levaquin (levofloxacin) at room temperature between 59-77 degrees F (15-25 degrees C) in a dry place away from direct light and moisture. Keep this antibiotic medication out of reach of children and pets. Do not store in the bathroom or near the kitchen sink where humidity levels are high. Do not use Levaquin after the expiration date printed on the packaging. If you buy levofloxacin in bulk or stock up on Levaquin generic, check expiration dates regularly and dispose of expired medication properly according to local guidelines.



Disclaimer

We provide only general information about medications which does not cover all directions, possible drug interactions, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.