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Use of Karbinal ER may result in decreased mental alertness with impaired mental or physical abilities [see WARNINGS AND PRECAUTIONS].
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 and Geriatric Use].
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.
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.
Laboratory: Increase in uric acid levels.
Respiratory: Tightness of chest and wheezing, nasal stuffiness.
Urogenital: Urinary frequency, difficult urination, urinary retention, early menses.
Read the Karbinal ER (carbinoxamine maleate extended-release oral suspension) Side Effects Center for a complete guide to possible side effects
Avoid use of Karbinal ER with alcohol and other CNS depressants (hypnotics sedatives, tranquilizers, etc.) due to additive effects.
Last reviewed on RxList: 4/15/2013
This monograph has been modified to include the generic and brand name in many instances.
Additional Karbinal ER Information
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