Chemergan VC Oral

In Depth

Generic Name: PROMETHAZINE/PHENYLEPHRINE - ORAL
Pronounced: (pro-METH-uh-zeen/fen-ill-EFF-rin)

Chemergan VC Oral Warning

Promethazine should not be used in children younger than 2 years since it might cause serious (possibly fatal) slow/shallow breathing. This problem has occurred even with normal doses in this age group.

Use this drug with caution in children older than 2 years. The lowest effective dosage should be used, and other drugs that affect breathing should be avoided. Seek immediate medical attention in the unlikely event that slow/shallow breathing occurs. Promethazine should not be used in children with liver disease (including possible Reyes syndrome).

Chemergan VC Oral Side Effects

Drowsiness, dizziness, headache, upset stomach, nausea, or dry mouth/nose/throat may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

fast/slow/irregular heartbeat
difficulty breathing
vomiting
decreased coordination
fainting
ringing in the ears
vision changes (e.g., blurred/double vision)
difficulty urinating
shaking (tremor)
mental/mood changes (e.g., nervousness, irritability, confusion, hallucinations)

Stop taking this medication and seek immediate medical attention if any of these rare but very serious side effects occur:

slow/shallow breathing
signs of infection (e.g., fever, persistent sore throat)
severe abdominal pain
persistent nausea/vomiting
easy bleeding/bruising
yellowing of eyes/skin
dark urine
abnormal/involuntary movements (e.g., fixed upward stare, neck twisting, tongue movements)

Promethazine may infrequently cause a very serious (rarely fatal) nervous system disorder (neuroleptic malignant syndrome). If you notice any of the following rare but very serious side effects, stop taking this medication and seek immediate medical attention:

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