Grepafloxacin Side Effects

Not all side effects for grepafloxacin may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to grepafloxacin: oral tablet

If you experience any of the following serious side effects, stop taking grepafloxacin and seek emergency medical attention:

  • an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);

  • irregular or slow heartbeats;

  • repeated fainting;

  • seizures;

  • 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 grepafloxacin and talk to your doctor:

  • nausea, vomiting, or diarrhea;

  • headache, lightheadedness, drowsiness, or insomnia;

  • ringing in your 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.

For Healthcare Professionals

Applies to grepafloxacin: oral tablet

Other

Percentages below refer to patients treated on multiple-dose regimens.

Gastrointestinal

Nausea and taste perversion (e.g. medicinal taste) are the most common adverse effects of grepafloxacin occurring in as many as 11% to 16%, and 9% to 18% of patients, respectively. Other gastrointestinal effects including diarrhea, abdominal pain, vomiting, dyspepsia, anorexia, dry mouth, and constipation have been reported in 1% to 4% of patients. Abnormal stools, cheilitis, dysphagia, eructation, flatulence, gastritis, gastrointestinal disorder, gingivitis, glossitis, increased appetite, melena, mouth ulceration, oral moniliasis, rectal disorder, rectal hemorrhage, stomatitis, tenesmus, thirst, tongue discoloration, tongue disorder, and tongue edema have been reported in less than 1% of patients.

Nervous system

Nervous system side effects have included headache, dizziness, insomnia, somnolence, and nervousness in 1% to 5% of patients. Abnormal dreams, abnormal gait, agitation, anxiety, confusion, depression, emotional lability, hallucinations, hyperkinesia, hypoesthesia, hypokinesia, paresthesia, speech disorder, stupor, thinking abnormality, tremor, and vertigo have been reported in less than 1% of patients.

Genitourinary

Genitourinary side effects have included vaginitis and leukorrhea in up to 3% of patients. Albuminuria, balanitis, dysuria, hematuria, impotence, polyuria, urethral pain, uricaciduria, urinary frequency, urinary tract disorder, impaired urination, urine abnormality, and vulvovaginal disorder have been reported in less than 1% of patients.

Dermatologic

Dermatologic side effects have included pruritus and rash in 1% to 2% of treated patients. Acne, alopecia, dry skin, epidermal necrolysis, exfoliative dermatitis, fungal dermatitis, herpes simplex, macropapular rash, skin disorder, sweating, urticaria, and vesiculobullous rash have been reported in less than 1% of patients.

General

Non-specific side effects have included asthenia and pain in 1% to 2% of treated patients. Back pain, body odor, chest pain, chills, facial edema, fever, malaise, neck rigidity, and pelvic pain have been reported in less than 1% of treated patients.

Cardiovascular

Cardiovascular side effects have included arrhythmia, hypotension, palpitations, peripheral vascular disorder, postural hypotension, syncope, tachycardia, and vasodilation in less than 1% of patients.

Hematologic

Hematologic side effects have been reported in less than 1% of patients and have included anemia, eosinophilia, hypochromic anemia, leukocytosis, leukopenia, lymphadenopathy, lymphocytosis, lymphoma-like reaction, decrease in prothrombin, increase in prothrombin, reticuloendothelial hyperplasia, thrombocytopenia, and increased thromboplastin.

Metabolic

Metabolic side effects have included dehydration, edema, electrolyte abnormality, gout, hyperglycemia, hyperlipidemia, hypernatremia, hyperuricemia, peripheral edema, and weight loss in less than 1% of patients.

Musculoskeletal

Musculoskeletal side effects have been reported in less than 1% of patients and have included arthralgia and myalgia.

Respiratory

Respiratory side effects have included asthma, atelectasis, bronchitis, dyspnea, epistaxis, hemoptysis, increased cough, laryngismus, pharyngitis, pleural effusion, rhinitis, and increased sputum in less than 1% of patients.

Ocular

Ocular side effects have included amblyopia, conjunctivitis, dry eyes, eye pain, lacrimation disorder, and photophobia in less than 1% of patients.

Other

Deafness, ear disorder, parosmia, taste loss and tinnitus have been reported in less than 1% of patients.

Hepatic

Hepatic side effects have included abnormal liver function tests in greater than 1% of patients.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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