What should I watch for?
If your symptoms do not start to get better after taking this medicine for two days, check with your doctor or health care professional, you may have a problem that needs further evaluation. Check with your doctor or health care professional right away if you develop a fever or bloody diarrhea.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Alcohol can increase possible drowsiness and dizziness. Avoid alcoholic drinks.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe. Drinking plenty of water can also help prevent dehydration that can occur with diarrhea.
Common and Rare 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:
Incidence not known
confusion
decrease in the frequency of urination
decrease in urine volume
difficulty in passing urine (dribbling)
difficulty swallowing
discouragement
dizziness
drowsiness
dry skin and mouth
extremely high fever or body temperature
false or unusual sense of well-being
fast, shallow breathing
fast, weak heartbeat
feeling of warmth
feeling sad or empty
headache
irritability
loss of appetite
loss of interest or pleasure
muscle cramps
numbness of the arms and legs
pale, clammy skin
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
redness of the face, neck, arms and occasionally, upper chest
restlessness
seeing, hearing, or feeling things that are not there
stomach cramps or pain
thirst
tightness in the chest
trouble concentrating
trouble sleeping
unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
unusual tiredness or weakness
vomiting
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Agitation
back pain
bigger, dilated, or enlarged pupils (black part of eye)
blurred vision
difficult or troubled breathing
feeling of warmth
garbled speech
increased sensitivity of the eyes to light
irregular, fast or slow, or shallow breathing
loss of consciousness
mood or mental changes
pale or blue lips, fingernails, or skin
seizures
speech that is not understood
stiff neck
unusual tiredness or weakness
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.
