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Rondec Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Rondec (carbinoxamine maleate and pseudoephedrine hcl) syrup is an antihistimine used to treat allergies and nasal congestion. Rondec may no longer be available in the U.S. Common side effects include sedation, dizziness, vomiting, diarrhea, dry mouth, headache, or nervousness. Antihistamines may cause excitability, especially in children.

The recommended dosage of Rondec Syrup for adults and children age 12 and older is 1 teaspoon (5mL) every 4-6 hours, not to exceed 5 teaspoons in 24 hours. Rondec is not recommended for children under age 2. Rondec may interact with other drugs. Tell your doctor all medications you take. Do not drive, use machinery, or do any activity that requires alertness when taking Rondec. If you are pregnant, only take Rondec if clearly needed. It is not known if Rondec is excreted in breast milk. Consult your doctor if you are breastfeeding.

The Rondec (carbinoxamine maleate and pseudoephedrine hcl) syrup Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Rondec FDA Prescribing Information: Side Effects
(Adverse Reactions)


Antihistamines may cause sedation, dizziness, diplopia, vomiting, diarrhea, dry mouth, headache, nervousness, nausea, anorexia, heartburn, weakness, polyuria and dysuria and, rarely, excitability in children. Urinary retention may occur in patients with prostatic hypertrophy. Sympathomimetic amines may cause convulsions, CNS stimulation, cardiac arrhythmia, respiratory difficulties, increased heart rate or blood pressure, hallucinations, tremors, nervousness, insomnia, pallor and dysuria.

Read the entire FDA prescribing information for Rondec (Carbinoxamine Maleate and Pseudoephedrine HCl) »


Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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