Butorphanol (Nasal-Systemic)

Brand Names : Stadol NS

Side Effects of This Medicine

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 :

Cold, clammy skin; confusion; convulsions (seizures); dizziness (severe); drowsiness (severe); nervousness, restlessness, or weakness (severe); small pupils; slow heartbeat; slow or troubled breathing

Also, check with your doctor as soon as possible if any of the following side effects occur:

More common

Difficulty in breathing; fever; nosebleeds; ringing or buzzing in ears; runny nose; sinus congestion; sneezing; sore throat

Less common or rare

Blurred vision; congestion in chest; cough; difficulty in urinating; difficult or painful breathing; ear pain; fainting; hallucinations; itching; sinus congestion with pain; skin rash or hives

Other 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. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Confusion; constipation; dizziness; drowsiness; dry mouth; flushing; headache; irritation inside nose; loss of appetite; nasal congestion; nausea or vomiting; sweating or clammy feeling; trouble in sleeping; unpleasant taste; weakness (severe)

Less common or rare

Anxious feeling; behavior changes; burning, crawling, or prickling feeling on skin; false sense of well-being; feeling hot; floating feeling; nervousness, sometimes with restlessness; pounding heartbeat; stomach pain; strange dreams; trembling

After you stop using this medicine, your body may need time to adjust. The length of time this takes depends on the amount of medicine you were using and how long you used it. During this period of time, check with your doctor if you notice any of the following side effects:

Anxious feeling; diarrhea; nervousness and restlessness

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