Side effects
Check with your doctor if any of these most common side effects persist or become bothersome, diarrhea, dizziness, gas, light-headedness, nausea, stomach pain.
Seek medical attention right away if any of these severe side effects occur:
Severe allergic reactions (rash, hives, itching, difficulty breathing, tightness in the chest, swelling of the mouth, face, lips, or tongue),
bloody stools,
chest pain,
confusion,
dark urine,
decreased or painful urination,
fainting,
fast or irregular heartbeat,
fever, chills, or sore throat,
hallucinations,
hoarseness,
joint or muscle pain or weakness,
mental or mood changes (eg, depression, anxiety, paranoia),
new or worsening nightmares, restlessness, or trouble sleeping,
red, swollen, blistered, or peeling skin,
seizures,
severe diarrhea,
severe or persistent dizziness, lightheadedness, tiredness, or weakness,
severe sunburn,
shortness of breath,
stomach pain/cramps,
suicidal thoughts or actions,
symptoms of high or low blood sugar (eg, increased thirst, hunger, or urination, fast breathing, flushing, dizziness, fainting, increased sweating, vision changes), symptoms of nerve problems (eg, unusual pain, burning, tingling, or numbness, changes in perception or heat or cold, decreased sensation of touch),
tremors,
unusual bruising or bleeding,
vaginal discharge, irritation, or odor,
wheezing,
yellowing of the skin or eyes
If you have questions or need medical advice about side effects, contact your doctor or health care provider.
Interaction
Tell your health care provider if you are taking any other medicines, especially any of the following:
Ziprasidone
Terfenadine,
Telithromycin,
Serotonin receptor antagonists,
Serotonin norepinephrine reuptake inhibitors
Ranolazine,
Pimozide,
Phenothiazines,
Paliperidone,
Nsaids
Methadone,
Macrolides,
Insulin or oral diabetes medicines
Imidazoles,
Haloperidol,
Droperidol,
Dofetilide,
Corticosteroids
Cisapride,
Astemizole,
Arsenic,
Anticoagulants
Antiarrhythmics,
Ask your health care provider if Levofloxacin may interact with other medicines that you take.
Precaution
Tell your health care provider if you have any medical conditions, especially if any of the following apply to you:
if you or a family member have a history of fast, slow, or irregular heartbeat; chest pain; angina; or heart attack
if you have other heart problems (eg, heart failure, enlarged heart), diabetes, kidney problems, tendon problems (eg, inflammation)
if you have Alzheimers’ disease
if you have narrowed or hardened blood vessels in the brain, increased pressure in the brain, nervous system problems, or a history of seizures (eg, epilepsy)
if you sunburn easily or you will be in the sun for a prolonged period of time
Contact your doctor right away if stomach pain or cramps, severe diarrhea, or bloody stools occur. Do not treat diarrhea without first checking with your doctor.
If you are scheduled to receive a typhoid vaccine while you are taking Levofloxacin, talk with your doctor.
Diabetes patients - Levofloxacin may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.