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Poly Hist DHC Side Effects
Generic Name: dihydrocodeine / phenylephrine / pyrilamine
Note: This page contains side effects data for the generic drug dihydrocodeine / phenylephrine / pyrilamine. It is possible that some of the dosage forms included below may not apply to the brand name Poly Hist DHC.
Applies to dihydrocodeine / phenylephrine / pyrilamine: liquid
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 dihydrocodeine / phenylephrine / pyrilamine:
Constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; lightheadedness; loss of appetite; nausea; nervousness or anxiety; sweating; trouble sleeping; upset stomach or mild stomach pain; vomiting; weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; fainting; fast, slow, or irregular heartbeat; fever, chills, or persistent sore throat; hallucinations; loss of coordination; mental or mood changes (eg, depression); persistent trouble sleeping; ringing in the ears; seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; severe or persistent stomach pain; slow or shallow breathing; tremor; trouble urinating or inability to urinate; uncontrolled muscle movements; unusual bruising or bleeding; unusual weakness or tiredness; vision changes or blurred vision.
It is possible that some side effects of Poly Hist DHC may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
More about Poly Hist DHC (dihydrocodeine / phenylephrine / pyrilamine)
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- Drug class: upper respiratory combinations