Yes — pyrexia has been reported as a side effect of Carbinoxamine in FDA adverse-event reports (FAERS) and product labeling. It is among the more frequently reported events for this medication. These are voluntary reports, so they show what's been reported, not how often it happens.
Reported adverse reactions
ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Somnolence and Impaired Mental Alertness [see Warnings and Precautions (5.2)] Allergic Reactions due to Sulfites, including Anaphylaxis [see Warnings and Precautions (5.4)] The most frequent adverse reactions include: sedation, sleepiness, dizziness, disturbed coordination, epigastic distress, and thickening of bronchial secretions. In clinical use, younger children and older adults may be particularly sensitive to adverse reactions [see Pediatric Use (8.4) and Geriatric Use (8.5)]. The following adverse reactions, listed by body system, have been identified in case reports and during the use of carbinoxamine in observational studies. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Body as a Whole : Urticaria, drug rash, anaphylactic shock, photosensitivity, excessive perspiration, chills, dryness of mouth, nose and throat. Cardiovascular : Hypotension, headache, palpitations, tachycardia, extrasystoles. Central Nervous System : Fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomia, euphoria, paresthesia, blurred vision, diplopia, vertigo, tinnitus, acute labyrinthitis, hysteria, neuritis, convulsions. Gastrointestinal : Anorexia, nausea, vomiting, diarrhea, constipation. Hematologic : Hemolytic anemia, thrombocytopenia, agranulocytosis. Laboratory : Increase in uric acid levels. Respiratory : Tightness of chest and wheezing, nasal stuffiness. Urogenital : Urinary frequency, difficult urination, urinary retention, early menses. Most common adverse reactions are: sedation, sleepiness, dizziness, disturbed coordination, epigastric distress, and thickening of bronchial secretions. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Neos Therapeutics at 1-855-298-8246 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Warnings
WARNINGS AND PRECAUTIONS Activities requiring mental alertness: Avoid engaging in hazardous tasks requiring complete mental alertness such as driving or operating machinery. (5.2) Anticholinergic actions: Use with caution in patients with increased intraocular pressure, narrow angle glaucoma, hyperthyroidism, cardiovascular disease, hypertension, stenosing peptic ulcer, symptomatic prostatic hypertrophy, bladder neck obstruction, pyloroduodenal obstruction. (5.3) Contains sodium metabisulfite, a sulfite that may cause anaphylaxis including life-threatening or less severe asthmatic episodes in susceptible individuals. (5.4) 5.1 Pediatric Mortality Deaths have been reported in children less than 2 years of age who were taking carbinoxamine-containing drug products; therefore, Carbinoxamine Maleate Extended-Release Oral Suspension is contraindicated in children younger than 2 years of age. 5.2 Somnolence and Impaired Mental Alertness Carbinoxamine Maleate Extended-Release Oral Suspension may produce marked drowsiness and impair the mental or physical abilities required for the performance of potentially hazardous tasks such as driving a car or operating machinery. Advise patients to avoid engaging in hazardous tasks requiring mental alertness and motor coordination after ingestion of Carbinoxamine Maleate Extended-Release Oral Suspension. Avoid concurrent use of Carbinoxamine Maleate Extended-Release Oral Suspension with alcohol or other central nervous system depressants because additional impairment of central nervous system performance may occur. 5.3 Concomitant Medical Conditions Carbinoxamine Maleate Extended-Release Oral Suspension has anticholinergic (atropine-like) properties and, therefore, should be used with caution in patients with: increased intraocular pressure, narrow angle glaucoma, hyperthyroidism, cardiovascular disease, hypertension, stenosing peptic ulcer, symptomatic prostatic hypertrophy, bladder neck obstruction, or pyloroduodenal obstruction. 5.4 Allergic Reactions due to Sulfites, including Anaphylaxis Carbinoxamine Maleate Extended-Release Oral Suspension contains sodium metabisulfite, a sulfite that may cause allergictype reactions, including anaphylaxis and life-threatening or less severe asthmatic episodes, in susceptible individuals. The overall prevalence of sulfite sensitivity in the general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than in nonasthmatic individuals.
Yes — pyrexia has been reported as a side effect of Carbinoxamine in FDA adverse-event reports (FAERS) and/or its labeling. These are voluntary reports, so they show what's been reported, not how often it happens.
How common is pyrexia with Carbinoxamine?
pyrexia is among the more frequently reported events for Carbinoxamine in FAERS. Reporting volume isn't a true incidence rate — check the prescribing information for documented frequencies.
What should I do if I have pyrexia while taking Carbinoxamine?
Don't stop a prescribed medication on your own. Tell your prescriber or pharmacist — they can tell you whether it's expected, whether it needs attention, and what to do next.
Informational only, drawn from FDA adverse-event reporting (FAERS) and labeling — not medical advice, and not proof a medication caused an effect. Talk to your clinician or pharmacist about any side effect.
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