Check with your doctor as soon as possible if any of the following side effects occur:

Frequency not known
Abdominal tenderness
bloating
clay-colored stools
cough
dark urine
decreased appetite
diarrhea
diarrhea, watery and severe, which may also be bloody
difficulty swallowing
dizziness
fast heartbeat
feeling of discomfort
fever
headache
hives, itching, puffiness or swelling of the eyelids or around the eyes, face, lips or tongue
hives or welts
increased thirst
inflammation of joints
itching
joint or muscle pain
large , hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
loss of appetite
nausea and vomiting
numbness or tingling of face, hands or feet
pain
rash
redness and soreness of eyes
redness of skin
shortness of breath
sore throat
sores in mouth
stomach cramps
stomach pain or tenderness
swelling of feet or lower legs
swollen lymph glands
tightness in chest
unusual tiredness or weakness
unusual weight loss
wheezing
yellow eyes or skin
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:

Frequency not known
Back, leg, or stomach pains
black, tarry stools
bleeding gums
blood in urine or stools
blurred vision
bulging soft spot on head of an infant
change in ability to see colors, especially blue or yellow
chest pain, discomfort, or burning
chills
cracks in the skin
decrease in vision
difficulty breathing
discoloration of thyroid glands
double vision
general body swelling
heartburn
increased sensitivity of skin to sunlight
loss of heat from the body
lower back or side pain
nosebleeds
pain or burning in throat
pain with swallowing
painful or difficult urination
pale skin
pinpoint red spots on skin
rash with flat lesions or small raised lesions on the skin
red, swollen skin
redness or other discoloration of skin
redness, swelling, or soreness of tongue
scaly skin
severe nausea
severe stomach pain
severe sunburn
sores, ulcers, or white spots on lips or tongue or inside the mouth
unusual bleeding or bruising
vomiting blood
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 at once if you have any of these serious side effects:
swelling, rapid weight gain;

urinating more than usual;

pale or yellowed skin, dark colored urine, fever, confusion or weakness;

nausea, stomach pain, loss of appetite, low fever, clay-colored stools, jaundice (yellowing of the skin or eyes); or

fever, sore throat, and headache with a severe blistering, peeling, and red skin rash.

Less serious side effects may include:

constipation, diarrhea;

dizziness, drowsiness;

mild nausea, vomiting, stomach pain;

mild itching or rash; or

headache.

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

More common
Feeling unusually cold
shivering
swollen, painful, or tender lymph glands in the neck, armpit, or groin
Less common
Agitation
anxiety
back pain
blindness
blistering, peeling, or loosening of skin
blue or pale skin
blurred vision
changes in vision
chest discomfort
chest pain, possibly moving to the left arm, neck, or shoulder
confusion
convulsions (seizures)
cough
diarrhea
difficult or labored breathing
dizziness
drowsiness
fast heartbeat
fever and chills
hallucinations
headache
irritability
itching
joint or muscle pain
loss of consciousness
mood or mental changes
red skin lesions, often with a purple center
red, irritated eyes
shortness of breath
skin rash that is encrusted, scaly, and oozing
sore throat
sores, ulcers, or white spots in the mouth or on the lips
stiff neck
tightness in the chest
trouble breathing
unusual tiredness or weakness
vomiting
wheezing
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:

More common
Decreased ability to exercise
difficulty having a bowel movement (stool)
difficulty with moving
flushing or redness of the skin
general feeling of discomfort or illness
itching, pain, redness, or swelling at the vaccine site
muscle aching or cramping
muscle stiffness
nausea
rash
swollen joints
unusually warm skin