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 or nurse immediately if any of the following side effects occur:
Less common
Bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
chest pain
feeling faint, dizzy, or lightheadedness
feeling of warmth or heat
flushing or redness of the skin, especially on the face and neck
frequent strong or increased urge to urinate
headache
sweating
Rare
Bloating or swelling of the face, arms, hands, lower legs, or feet
bluish lips or skin
chest discomfort or tightness
convulsions
cough
decreased frequency or amount of urination
difficult or painful urination
difficulty breathing
excessive thirst
fever or chills
nausea or vomiting
noisy breathing
pain or discomfort in the arms, jaw, back, or neck
pale skin at injection site
irregular heartbeat
tingling of the hands or feet
unusual tiredness or weakness
unusual weight gain or loss
Incidence not known
Blistering, peeling, or loosening of the skin
bloody urine
blue lips and fingernails
coughing that sometimes produces a pink frothy sputum
diarrhea
difficult, fast, noisy breathing, sometimes with wheezing
difficulty with swallowing or sore throat
dilated neck veins
extreme fatigue
irregular breathing
joint or muscle pain
loss of appetite
lower back or side pain
nervousness
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
red, irritated eyes
red skin lesions, often with a purple center
sensitivity to heat
skin rash, hives, or itching
sores, ulcers, or white spots in the mouth or on the lips
swelling of the face, fingers, feet, or lower legs
trouble sleeping
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:
Less common
Change in taste
changes in vision
loss of taste
Rare
Abdominal or stomach discomfort or pain
acid or sour stomach
agitation
belching or passing of gas
body aches or pain
burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
difficulty with moving
dry mouth
excessive muscle tone
general feeling of discomfort or illness
lack of coordination
loss of strength or energy
muscle tension or tightness
sleepiness or unusual drowsiness
tender, swollen glands in the neck
voice changes
Incidence not known
Bigger, dilated, or enlarged pupils (black part of the eye)
burning, dry, or itching eyes
continuing ringing or buzzing or other unexplained noise in the ears
discharge, excessive tearing
feeling of constant movement of self or surroundings
headache, severe and throbbing
hearing loss
increased sensitivity of the eyes to light
redness, pain, or swelling of the eye, eyelid, or inner lining of the eyelid
sensation of spinning
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.
 Ultravist side effects (more detail)
