Dosage Considerations – Should be Given as Follows: Community-Acquired Pneumonia. Adult: 500 mg orally/intravenously (IV) once daily for 7-14 days or 750 mg orally/intravenously (IV) once daily for 5 days. Pediatric (Off-label) S. pneumonia. Children 6 months - 5 years: 16-20 mg/kg/day orally once/day for 10 days Children 5-16 years: 8-10 mg/kg/day orally once/day for 10 days; not to exceed. Levaquin dosage instructions. The usual dose is 250-750 mg given once daily for 3-14 days depending on the type of infection. Anthrax is treated with 500 mg daily for 60 days. It is important to take oral formulations at least 2 hours before or 2 hours after any antacid or mineral supplement containing iron, calcium, zinc, or magnesium since these bind Levaquin and prevent its absorption into. levaquin Injection is indicated when intravenous administration offers a route of administration advantageous to the patient (e.g., patient cannot tolerate an oral dosage form). DOSAGE AND ADMINISTRATION Dosage Of LEVAQUIN ® Tablets In Adult Patients With Creatinine Clearance ≥ 50 mL/Minute. The usual dose of LEVAQUIN ® Tablets is 250 mg, 500 mg, or 750 mg administered orally every 24 hours, as indicated by infection and described in Table 1. These recommendations apply to patients with creatinine clearance ≥ 50 mL/minute. Levofloxacin (Levaquin - a discontinued brand) is a prescription drug used to treat bacterial infections of the sinuses, skin, lungs, ears, airways, bones, and joints. Side effects include nausea, vomiting, diarrhea, headache, and constipation. Read the warnings, drug interactions, dosage, and pregnancy and breastfeeding safety information. Taking less may be safer than taking more, but ultimately, if you are taking any Levaquin dosage, you're at risk for Levaquin Tendonitis. The problem here is that the agent in the Levaquin that causes the damage may get absorbed into the tendon, and hang out in there. This could be a factor in 'permanent' damage, in that taking it once can set you up for ongoing pain and damage. Still. Find patient medical information for Levaquin oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Dosage of LEVAQUIN ® Tablets in Adult Patients with Creatinine Clearance ≥ 50 mL/minute. The usual dose of LEVAQUIN ® Tablets is 250 mg, 500 mg, or 750 mg administered orally every 24 hours, as indicated by infection and described in Table 1. These recommendations apply to patients with creatinine clearance ≥ 50 mL/minute. For patients with creatinine clearance less than 50 mL/min. Levaquin may cause swelling or tearing of a tendon (the fiber that connects bones to muscles in the body), especially in the Achilles' tendon of the heel. This can happen during treatment or up to several months after you stop taking levofloxacin. Tendon problems may be more likely in certain people (children and older adults, or people who use steroid medicine or have had an ———————DOSAGE AND ADMINISTRATION——————— • Dosage in patients with normal renal function (2.1) Type of Infection Dose Every 24 hours Duration (days) Nosocomial Pneumonia (1.1) 750 mg 7–14 Community Acquired Pneumonia (1.2) 500 mg 7–14 Community Acquired Pneumonia (1.3) 750 mg 5 Acute Bacterial Sinusitis (1.4) 750 mg 5 500 mg 10–14 Acute Bacterial Exacerbation.