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Proquin XR (Ciprofloxacin Hydrochloride) - Side Effects and Adverse Reactions



Two clinical trials enrolled 1,095 patients, of whom 547 patients received Proquin XR 500 mg once daily and 538 patients received CIPRO 250 mg twice daily for 3 days. The patients were followed for approximately 5 weeks after the end of study drug dosing. Most adverse events reported were described as mild to moderate in severity and required no treatment. Proquin XR was discontinued due to adverse reactions thought to be drug-related in 0.5% of patients.

The incidence of all adverse events (regardless of relationship to study drug) reported for at least 2% of patients treated with Proquin XR during the entire 5-week study period was as follows: fungal infection (2.6%), nasopharyngitis (2.6%), headache (2.4%), and micturition urgency (2.0%).

The incidence of adverse events (regardless of relationship to study drug) reported for at least 1% of patients treated with Proquin XR during study drug treatment and up to 3 days after study drug was headache (1.5%).

The incidence of adverse events, judged by investigators to be at least possibly drug-related, occurring any time during the study in at least 1% of Proquin XR-treated patients was fungal infection (1.6%).

Additional uncommon events, judged by the investigator to be at least possibly drug-related, occurring at any time during the study in less than 1% of Proquin XR-treated patients were:

Cardiac Disorders: ventricular bigeminy.

Immune System Disorders: hypersensitivity.

Gastrointestinal Disorders: abdominal pain, nausea, diarrhea, dyspepsia, aggravated irritable bowel syndrome, lower abdominal pain, vomiting.

General Disorders: suprapubic pain, fatigue, pain, rigors, tenderness.

Infections and Infestations: urinary tract infection, fungal vaginosis, bacterial vaginitis, vaginal candidiasis, vaginal infection, vaginitis.

Investigations: blood bilirubin increased, alanine aminotransferase increased, abdominal aortic bruit, aspartate aminotransferase increased, body temperature increased.

Musculoskeletal and Connective Tissue Disorders: joint swelling, muscle spasms, night cramps.

Nervous System Disorders: headache, dizziness, disturbance in attention, paresthesia.

Renal and Urinary Disorders: micturition urgency, dysuria, urinary frequency, abnormal urine odor.

Reproductive System and Breast Disorders: female genital pruritus.

Respiratory, Thoracic, and Mediastinal Disorders: dyspnea.

Skin/Subcutaneous Tissue Disorders: rash, photosensitivity/ phototoxicity reaction, pruritus, urticaria.

Reported Post-Marketing Adverse Events with Other Formulations of Ciprofloxacin

The following adverse events, some of them life threatening, regardless of incidence or relationship to drug, have been reported during clinical trials and from worldwide post-marketing experience in patients given ciprofloxacin (includes all formulations, all dosages, all drug-therapy, and all indications). Because these reactions have been reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or a causal relationship to drug exposure. The events in alphabetical order are:

Abnormal gait, achiness, acidosis, agitation, agranulocytosis, allergic reactions (ranging from urticaria to anaphylactic reactions), amylase increase, anemia, angina pectoris, angioedema, anosmia, anxiety, arrhythmia, arthralgia, ataxia, atrial flutter, bleeding diathesis, blurred vision, bronchospasm, C. difficile associated diarrhea, candidiasis (cutaneous, oral), candiduria, cardiac murmur, cardiopulmonary arrest, cardiovascular collapse, cerebral thrombosis, chills, cholestatic jaundice, chromatopsia, confusion, convulsion, delirium, depression, diplopia, drowsiness, dysphagia, dyspnea, edema (conjunctivae, face, hands, laryngeal, lips, lower extremities, neck, pulmonary), epistaxis, erythema multiforme, erythema nodosum, exfoliative dermatitis, fever, fixed eruptions, flushing, gastrointestinal bleeding, gout (flare up), grand mal convulsion, gynecomastia, hallucinations, hearing loss, hematuria, hemolytic anemia, hemoptysis, hemorrhagic cystitis, hepatic failure (including fatal cases), hepatic necrosis, hepatitis, hiccup, hyperesthesia, hyperpigmentation, hypertension, hypertonia, hypoesthesia, hypotension, ileus, insomnia, interstitial nephritis, intestinal perforation, jaundice, joint stiffness, lethargy, lightheadedness, lipase increase, lymphadenopathy, malaise, manic reaction, marrow depression, migraine, moniliasis (oral, gastrointestinal, vaginal), mouth dryness, myalgia, myasthenia, myasthenia gravis (possible exacerbation), myocardial infarction, myoclonus, nephritis, nightmares, nystagmus, oral ulceration, pain (arm, back, breast, chest, epigastric, eye, extremities, foot, jaw, neck, oral mucosa), palpitation, pancreatitis, pancytopenia, paranoia, paresthesia, peripheral neuropathy, perspiration (increased), petechia, phlebitis, phobia, photosensitivity/phototoxicity reaction (see  PRECAUTIONS ) pleural effusion, polyuria, postural hypotension, prothrombin time prolongation, pseudomembranous colitis (the onset of symptoms may occur during or after antimicrobial treatment), pulmonary embolism, purpura, renal calculi, renal failure, respiratory arrest, respiratory distress, restlessness, serum sickness-like reaction, Stevens-Johnson syndrome, sweating, syncope, tachycardia, taste loss, tendonitis, tendon rupture, tinnitus, torsade de pointes, toxic epidermal necrolysis, toxic psychosis, tremor, twitching, unresponsiveness, urethral bleeding, urinary retention, urination (frequent), vaginal pruritus, vasculitis, ventricular ectopy, vesicles, visual acuity (decreased), visual disturbances (flashing lights, change in color perception, overbrightness of lights), weakness.

Reported Laboratory Changes with Proquin XR and Other Formulations of Ciprofloxacin

The following laboratory adverse events were reported for Proquin XR-treated patients during clinical trials: anemia, blood bilirubin increased, alanine aminotransferase increased, aspartate aminotransferase increased, platelet count decreased, and hematuria. All events were reported for <1% of Proquin XR-treated patients, except for hematuria (1.2%).

The following adverse laboratory changes, in alphabetical order, regardless of incidence or relationship to drug, have been reported in patients given ciprofloxacin (includes all formulations, all dosages, all drug-therapy durations, and all indications):

Decreases in blood glucose, BUN, hematocrit, hemoglobin, leukocyte counts, platelet counts, prothrombin time, serum albumin, serum potassium, total serum protein, uric acid.

Increases in alkaline phosphatase, ALT (SGPT), AST (SGOT), atypical lymphocyte counts, blood glucose, blood monocytes, BUN, cholesterol, eosinophils counts, LDH, platelet counts, prothrombin time, sedimentation rate, serum amylase, serum bilirubin, serum calcium, serum cholesterol, serum creatinine phosphokinase, serum creatinine, serum gamma-glutamyl transpeptidase (GGT), serum potassium, serum theophylline (in patients receiving theophylline concomitantly), serum triglycerides, uric acid.

Others: albuminuria, change in serum phenytoin, crystalluria, cylindruria, immature WBCs, leukocytosis, methemaglobinemia, pancytopenia.

Drug label data at the top of this Page last updated: 2010-07-06

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