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.
Get emergency help immediately if any of the following symptoms of overdose occur:
Clumsiness or unsteadiness
convulsions (seizures)
drowsiness (severe)
dryness of mouth, nose, or throat (severe)
fast heartbeat
flushing or redness of face
hallucinations (seeing, hearing, or feeling things that are not there)
headache (continuing)
shortness of breath or troubled breathing
trouble in sleeping
For pseudoephedrine only
Unusual nervousness, restlessness, or excitement
Check with your doctor as soon as possible if any of the following side effects occur:
Rare
Irregular or slow heartbeat
mood or mental changes
sore throat and fever
tightness in chest
unusual bleeding or bruising
unusual tiredness or weakness
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
Drowsiness
nervousness
restlessness
thickening of mucus
trouble in sleeping
Less common
more common with high doses
Blurred vision
confusion
difficult or painful urination
dizziness
dryness of mouth, nose, or throat
fast or pounding heartbeat
headache
increased sweating
loss of appetite
nausea or vomiting
nightmares
ringing or buzzing in ears
trembling
unusual excitement, nervousness, restlessness, or irritability
unusual paleness
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.