Robitussin Night Time Cough & Cold Side Effects
Generic Name: diphenhydramine / phenylephrine
Note: This page contains side effects data for the generic drug diphenhydramine / phenylephrine. It is possible that some of the dosage forms included below may not apply to the brand name Robitussin Night Time Cough & Cold.
It is possible that some side effects of Robitussin Night Time Cough & Cold may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
For the Consumer
Applies to diphenhydramine / phenylephrine: chewable tablets, suspension
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking diphenhydramine / phenylephrine:
Constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability (especially in children); headache; loss of appetite; nausea; nervousness; restlessness; trouble sleeping; vomiting.
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision; chest pain; decreased coordination; difficulty urinating; fast or irregular heartbeat; fever; hallucinations; seizure; severe dizziness and drowsiness; severe nervousness, anxiety, or restlessness; tremors; unusual weakness.
For Healthcare Professionals
Applies to diphenhydramine / phenylephrine: oral disintegrating strip, oral liquid, oral suspension extended release, oral tablet chewable extended release
Cardiovascular side effects have included hypotension, palpitations, tachycardia, and extrasystole.
Hematologic side effects have included hemolytic anemia, agranulocytosis, and thrombocytopenia.
Nervous system side effects have included sleepiness, sedation, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesia, headache, vertigo, tinnitus, acute labyrinthitis, neuritis, and convulsions.
Ocular side effects have included blurred vision and diplopia.
Gastrointestinal side effects have included epigastric distress, anorexia, nausea, vomiting, diarrhea, and constipation.
Genitourinary side effects have included urinary frequency, difficult urination, urinary retention, and early menses.
Hypersensitivity side effects have included urticaria, drug rash, anaphylactic shock, and photosensitivity.
General side effects have included chills, excessive perspiration, and dryness of nose, throat and mouth.
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