Dexchlorpheniramine for Blood Transfusion and Donation

INDICATIONS AND USAGE Perennial and seasonal allergic rhinitis Vasomotor rhinitis Allergic conjunctivitis due to inhalant allergens and foods Mild, uncomplicated allergic skin manifestations of urticaria and angioedema Amelioration of allergic reactions to blood or plasma Dermographism As therapy for anaphylactic reactions adjunctive to epinephrine and other standard measures after the acute manifestations have been controlled.

DOSAGE AND ADMINISTRATION DOSAGE SHOULD BE INDIVIDUALIZED ACCORDING TO THE NEEDS AND THE RESPONSE OF THE PATIENT. Recommended Dosage Adults and Children 12 years of age and older: 2 mg (1 teaspoonful) Children 6 to 11 years: 1 mg (1/2 teaspoonful) Children 2 to 5 years: 0.5 mg (1/4 teaspoonful) Doses are generally given every 4 to 6 hours.

WARNINGS Antihistamines should be used with considerable caution in patients with: Narrow angle glaucoma Stenosing peptic ulcer Pyloroduodenal obstruction Symptomatic prostatic hypertrophy Bladder neck obstruction Use in Children In infants and children, especially, antihistamines in overdosage may cause hallucinations, convulsions, or death. As in adults, antihistamines may diminish mental alertness in children. In the young child, particularly, they may produce excitation. Use in Pregnancy Experience with this drug in pregnant women is inadequate to determine whether there exists a potential for harm to the developing fetus. Use with CNS Depressants CORPHENA Oral Solution has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. Use in the Elderly (approximately 60 years or older) Antihistamines are more likely to cause dizziness, sedation, and hypotension in elderly patients.

Drug Interaction MAO inhibitors prolong and intensify the anticholinergic (drying) effects of antihistamines.

ADVERSE REACTIONS General: Urticaria, drug rash, anaphylactic shock, photosensitivity, excessive perspiration, chills, dryness of mouth, nose and the throat. Cardiovascular System: Hemolytic anemia, thrombocytopenia, agranulocytosis. Hematologic System: Hemolytic anemia, thrombocytopenia, agranulocytosis. Nervous System: Sedation, sleepiness, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesias, blurred vision, diplopia, vertigo, tinnitus, acute labyrinthitis, hysteria, neuritis, convulsions. G.I. System: Epigastric distress, anorexia, nausea, vomiting, diarrhea, constipation. G.U. System: Urinary frequency, difficult urination, urinary retention, early menses. Respiratory System: Thickening of bronchial secretions, tightness of chest and wheezing, nasal stuffiness. Call your doctor for medical advice about side effects. You may voluntarily report side effects to FDA at 1-800-FDA-1088. Questions or comments? Call Carwin Pharmaceutical Associates, LLC at 1-844-700-5011.