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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.This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 4/15/2013
Additional Karbinal ER Information
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