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Maxaquin Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Maxaquin (lomefloxacin hydrochloride) is a fluoroquinolone antibiotic used to treat various bacterial infections, such as bronchitis and urinary tract infections. The brand name of this medication is discontinued, but generic versions may be available. Common side effects include nausea, vomiting, diarrhea, headache, lightheadedness, drowsiness, ringing in the ears, or increased sensitivity of the skin to sunlight.
The recommended daily dose of Maxaquin is 400 mg. The duration of treatment depends on the condition being treated. Maxaquin may interact with antacids containing magnesium or aluminum, sucralfate, vitamin or mineral supplements containing iron or zinc, cimetidine, probenecid, cyclosporine, insulin or oral diabetes medications, or nonsteroidal anti-inflammatory drugs (NSAIDs). Tell your doctor all medications and supplements you use. It is unknown if Maxaquin will harm a fetus. Tell your doctor if you are pregnant or could become pregnant during treatment. It is unknown if this drug passes into breast milk. Consult your doctor before breastfeeding.
Our Maxaquin (lomefloxacin hydrochloride) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Maxaquin in Detail - Patient Information: Side Effects
If you experience any of the following serious side effects, stop taking lomefloxacin and seek emergency medical attention or contact your doctor immediately:
- an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
- confusion or hallucinations;
- liver damage (yellowing of the skin or eyes, nausea, abdominal pain or discomfort, unusual bleeding or bruising, severe fatigue); or
- muscle or joint pain.
If you experience any of the following less serious side effects, continue taking lomefloxacin and talk your doctor:
- nausea, vomiting, or diarrhea;
- headache, lightheadedness, or drowsiness;
- ringing in the ears; or
- increased sensitivity of the skin to sunlight.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Read the entire detailed patient monograph for Maxaquin (Lomefloxacin Hcl) »
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Maxaquin FDA Prescribing Information: Side Effects
In clinical trials, most of the adverse events reported were mild to moderate in severity and transient in nature. During these clinical investigations, 5,623 patients received Maxaquin. In 2.2% of the patients, lomefloxacin was discontinued because of adverse events, primarily involving the gastrointestinal system (0.7%), skin (0.7%), or CNS (0.5%).
Adverse clinical events
The events with the highest incidence ( ≥ 1%) in patients, regardless of relationship to drug, were headache (3.6%), nausea (3.5%), photosensitivity (2.3%) [see WARNINGS], dizziness (2.1%), diarrhea (1.4%), and abdominal pain (1.2%).
Additional clinical events reported in < 1% of patients treated with Maxaquin, regardless of relationship to drug, are listed below:
Autonomic: increased sweating, dry mouth, flushing, syncope.
Body as a whole: fatigue, back pain, malaise, asthenia, chest pain, face edema, hot flashes, influenza-like symptoms, edema, chills, allergic reaction, anaphylactoid reaction, decreased heat tolerance.
Cardiovascular: tachycardia, hypertension, hypotension, myocardial infarction, angina pectoris, cardiac failure, bradycardia, arrhythmia, phlebitis, pulmonary embolism, extrasystoles, cerebrovascular disorder, cyanosis, cardiomyopathy.
Hearing: earache, tinnitus.
Hepatic: abnormal liver function.
Psychiatric: insomnia, nervousness, somnolence, anorexia, depression, confusion, agitation, increased appetite, depersonalization, paranoid reaction, anxiety, paroniria, abnormal thinking, concentration impairment.
Resistance mechanism: viral infection, moniliasis, fungal infection.
Special senses: taste perversion.
Adverse laboratory events
Changes in laboratory parameters, listed as adverse events, without regard to drug relationship include:
Renal: elevated BUN (0.1%), decreased potassium (0.1%), increased creatinine (0.1%).
Hepatic: elevations of ALT (SGPT) (0.4%), AST (SGOT) (0.3%), bilirubin (0.1%), alkaline phosphatase (0.1%).
Additional laboratory changes occurring in < 0.1% in the clinical studies included: elevation of serum gamma glutamyl transferase, decrease in total protein or albumin, prolongation of prothrombin time, anemia, decrease in hemoglobin, thrombocythemia, thrombocytopenia, abnormalities of urine specific gravity or serum electrolytes, increased albumin, elevated ESR, albuminuria, macrocytosis.
Post-Marketing Adverse Events
Post-marketing adverse events
Adverse events reported from worldwide marketing experience with lomefloxacin are: anaphylaxis, cardiopulmonary arrest, laryngeal or pulmonary edema, ataxia, cerebral thrombosis, hallucinations, painful oral mucosa, pseudomembranous colitis, hemolytic anemia, hepatitis, tendinitis, diplopia, photophobia, phobia, exfoliative dermatitis, hyperpigmentation, Stevens-Johnson syndrome, toxic epidermal necrolysis, dysgeusia, interstitial nephritis, polyuria, renal failure, urinary retention, and vasculitis.
Quinolone-class adverse events
Additional quinolone-class adverse events include: peripheral neuropathy, torsades de pointes, erythema nodosum, hepatic necrosis, possible exacerbation of myasthenia gravis, dysphasia, nystagmus, intestinal perforation, manic reaction, renal calculi, acidosis and hiccough.
Laboratory adverse events include: agranulocytosis, elevation of serum triglycerides, elevation of serum cholesterol, elevation of blood glucose, elevation of serum potassium, albuminuria, candiduria, and crystalluria.
Read the entire FDA prescribing information for Maxaquin (Lomefloxacin Hcl) »
Additional Maxaquin Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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