Ciprofloxacin (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

• Diarrhea

• Abdominal or stomach pain
• Actions that are out of control
• Anxiety
• Arm, back, or jaw pain
• Blisters
• Bloody nose
• Bloody or black, tarry stools
• Bloody or cloudy urine
• Bluish color
• Blurred vision
• Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
• Change in walking and balance
• Changes in skin color
• Chest pain or discomfort
• Chest tightness or heaviness
• Chills
• Clumsiness or unsteadiness
• Confusion
• Constipation
• Continuing ringing or buzzing or other unexplained noise in the ears
• Coughing
• Coughing or spitting up blood
• Dark urine
• Darkening of the skin
• Decreased frequency or amount of urine
• Difficult or labored breathing
• Difficulty with moving
• Difficulty with passing urine (dribbling)
• Difficulty with swallowing
• Discouragement
• Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
• Drowsiness
• Fast, irregular, pounding, or racing heartbeat or pulse
• Feeling of unreality
• Feeling of warmth
• Feeling sad or empty
• Fever
• Frequent urination
• General feeling of discomfort or illness
• Greatly decreased frequency of urination or amount of urine
• Headache, severe and throbbing
• Hearing loss
• Heart stops
• Heartburn
• Hives or welts
• Increased blood pressure
• Increased thirst
• Increased volume of pale or dilute urine
• Indigestion
• Irritability
• Itching
• Itching of the vagina or genital area
• Joint stiffness
• Lack of appetite
• Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
• Light-colored stools
• Loss of appetite
• Loss of interest or pleasure
• Lower back or side pain
• Muscle pain or stiffness
• Nausea and vomiting
• Nervousness
• Nightmares
• No breathing
• No pulse or blood pressure
• Noisy breathing
• Numbness of the hands
• Pain
• Pain during sexual intercourse
• Pain in the ankles or knees
• Pain in the joints
• Pain or discomfort in the arms, jaw, back, or neck
• Painful urination
• Painful, red lumps under the skin, mostly on the legs
• Pounding in the ears
• Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• Rash
• Redness of the face, neck, arms, and occasionally, upper chest
• Redness of the skin
• Restlessness
• Seizures
• Sensation of skin burning
• Sense of detachment from self or body
• Severe abdominal or stomach pain, cramping, or burning
• Shakiness and unsteady walk
• Shakiness in the legs, arms, hands, or feet
• Shortness of breath
• Skin rash
• Sleeplessness
• Slow or fast heartbeat
• Slow or irregular breathing
• Small red or purple spots on the skin
• Sore mouth or tongue
• Sweating
• Swelling
• Swelling of the face, feet, or lower legs
• Swollen, painful, or tender lymph glands in the neck, armpit, or groin
• Talking, feeling, and acting with excitement
• Tenderness
• Thick, white vaginal discharge with no odor or with a mild odor
• Tightness in the chest
• Trembling or shaking of the hands or feet
• Trouble concentrating
• Trouble sleeping
• Unable to sleep
• Unconscious
• Unpleasant breath odor
• Unsteadiness, trembling, or other problems with muscle control or coordination
• Unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
• Unusual weight gain
• Upper right abdominal or stomach pain
• Vomiting of blood or material that looks like coffee grounds
• Weight loss
• Wheezing
• White patches in the mouth and/or on the tongue
• Yellow eyes or skin

• Abdominal or stomach cramps or tenderness
• Acid or sour stomach
• Back, leg, or stomach pains
• Belching
• Bleeding gums
• Blistering, peeling, or loosening of the skin
• Bloated
• Bluish-colored lips, fingernails, or palms
• Bone pain
• Cloudy urine
• Confusion as to time, place, or person
• Cough or hoarseness
• Cracks in the skin
• Diarrhea, watery and severe, which may also be bloody
• Difficult urination
• Difficulty with breathing, chewing, swallowing, or talking
• Double vision
• Drooping eyelids
• Dry mouth
• Excess air or gas in the stomach or intestines
• Excessive muscle tone
• Feeling of discomfort
• Feeling, seeing, or hearing things that are not there
• Feeling that others are watching you or controlling your behavior
• Feeling that others can hear your thoughts
• Flushed or dry skin
• Fruit-like breath odor
• Full feeling
• General body swelling
• Hallucinations
• High fever
• Holding false beliefs that cannot be changed by fact
• Hyperventilation
• Increased hunger
• Increased sensitivity to pain
• Increased sensitivity to touch
• Increased urination
• Inflammation of the joints
• Irregular heartbeats
• Irregular or slow heart rate
• Joint or muscle pain
• Loss of heat from the body
• Loss of sense of smell
• Lower back or side pain
• Muscle aches
• Muscle tension or tightness
• Muscle twitching or jerking
• Muscle weakness
• Nosebleeds
• Pain, inflammation, or swelling in the calves, shoulders, or hands
• Pains in the stomach, side, or abdomen, possibly radiating to the back
• Pale skin
• Passing gas
• Rapid heart rate
• Red skin lesions, often with a purple center
• Red, irritated eyes
• Redness, soreness, or itching skin
• Rhythmic movement of the muscles
• Scaly skin
• Severe mood or mental changes
• Severe tiredness
• Sore throat
• Sores, ulcers, or white spots on the lips or in the mouth
• Stomach discomfort, upset, or pain
• Stomach pain, continuing
• Sudden decrease in the amount of urine
• Tingling in the hands and feet
• Uncontrolled eye movements
• Unsteadiness or awkwardness
• Unusual behavior
• Unusual bleeding or bruising
• Unusual excitement, nervousness, or restlessness
• Unusual weight loss
• Vaginal yeast infection
• Weakness in the arms, hands, legs, or feet

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

• Runny nose
• Sneezing
• Stuffy nose

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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