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Alenaze-D NR Side Effects

Generic Name: brompheniramine / phenylephrine

Note: This page contains information about the side effects of brompheniramine / phenylephrine. Some of the dosage forms included on this document may not apply to the brand name Alenaze-D NR.

For the Consumer

Applies to brompheniramine / phenylephrine: chewable tablets

Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Constipation; diarrhea; dizziness; drowsiness; dry mouth; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.

Seek medical attention right away if any of these SEVERE side effects occur while taking brompheniramine / phenylephrine:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision or other vision changes; confusion; decreased coordination; difficulty urinating or inability to urinate; fainting; fast or irregular heartbeat; hallucinations; mood or mental changes; persistent trouble sleeping; restlessness; seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; tremor; wheezing.

For Healthcare Professionals

Applies to brompheniramine / phenylephrine: oral capsule extended release, oral elixir, oral liquid, oral suspension extended release, oral tablet, oral tablet chewable, oral tablet chewable extended release, oral tablet extended release


Gastrointestinal side effects have included nausea, epigastric distress, anorexia, vomiting, diarrhea, and constipation.[Ref]


Cardiovascular side effects have included hypotension, palpitations, tachycardia, and extrasystoles.[Ref]


Genitourinary side effects have included urinary frequency, difficult urination, urinary retention, and early menses.[Ref]


Respiratory side effects have included thickening of bronchial secretions, tightness of chest, wheezing, and nasal stuffiness.[Ref]


Hematologic side effects have included hemolytic anemia, thrombocytopenia and agranulocytosis.[Ref]

Nervous system

Nervous system side effects have included headache, sedation, sleepiness, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesias, vertigo, hysteria, neuritis and convulsions.[Ref]


Ocular side effects have included blurred vision and diplopia.[Ref]


Dermatologic side effects have included photosensitivity, excessive perspiration, and flushing.[Ref]


General side effects have included chills, and dryness of the mouth, nose and throat.[Ref]


Hypersensitivity side effects have included urticaria, drug rash, and anaphylactic shock.[Ref]


1. "Product Information. Brovex-D (brompheniramine-phenylephrine)." Pharmakon Labs Inc, Tampa, FL.

2. "Product Information. VaZol-D (brompheniramine-phenylephrine)." Wraser Pharmaceuticals, Ridgeland, MS.

Not all side effects for Alenaze-D NR may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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