Chlorpheniramine/Codeine Side Effects

Please note - some side effects for Chlorpheniramine/Codeine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Side Effects of Chlorpheniramine/Codeine - for the Consumer

Chlorpheniramine/Codeine

All medicines may cause side effects, but many people have no, or minor side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Chlorpheniramine/Codeine:

Constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; loss of appetite; nausea; thickening of mucus secretions; upset stomach; vomiting.

Seek medical attention right away if any of these SEVERE side effects occur when using Chlorpheniramine/Codeine:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision, double vision, or other vision changes; confusion; difficulty urinating or inability to urinate; fast, slow, or irregular heartbeat; loss of coordination; mood or mental changes; nervousness; ringing in the ears; seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; shallow breathing; tremor; trouble sleeping; uncontrolled muscle movements; unusual bruising or bleeding; unusual weakness or tiredness.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Chlorpheniramine/Codeine/Acetaminophen

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Chlorpheniramine/Codeine/Acetaminophen:

Constipation; dizziness; drowsiness; headache; light-headedness; mild dry mouth, throat, or nose; nausea; sweating; trouble sleeping; vomiting; weakness.

Seek medical attention right away if any of these SEVERE side effects occur when using Chlorpheniramine/Codeine/Acetaminophen:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, throat, or tongue); changes in thinking or behavior; confusion; difficulty urinating or inability to urinate; excitability; fainting; fast, slow, or irregular heartbeat; fever, chills, or persistent sore throat; flushing or redness of the face; hallucinations; involuntary muscle movements; mental or mood changes (eg, anxiety, fear, irritability, nervousness); persistent trouble sleeping; seizures; severe dry mouth, nose, or throat; severe or persistent dizziness, drowsiness, or light-headedness; shortness of breath; slow or shallow breathing; symptoms of liver problems (eg, dark urine, loss of appetite, pale stools, stomach pain, yellowing of the skin or eyes); tremor; unusual bruising or bleeding; unusual tiredness or weakness; vision changes.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Chlorpheniramine/Codeine/Pseudoephedrine Liquid

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Chlorpheniramine/Codeine/Pseudoephedrine Liquid:

Constipation; dizziness; drowsiness; dry mouth, throat, or nose; excitement; nausea; stomach upset; thickening or mucus in nose or throat; vomiting.

Seek medical attention right away if any of these SEVERE side effects occur when using Chlorpheniramine/Codeine/Pseudoephedrine Liquid:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; difficulty urinating; fainting; fast, slow, or irregular heartbeat; flushing or redness of face; severe drowsiness; trouble breathing; vision changes.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Chlorpheniramine/Codeine Liquid

All medicines may cause side effects, but many people have no, or minor side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Chlorpheniramine/Codeine Liquid:

Constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; loss of appetite; nausea; thickening of mucus secretions; upset stomach; vomiting.

Seek medical attention right away if any of these SEVERE side effects occur when using Chlorpheniramine/Codeine Liquid:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision, double vision, or other vision changes; confusion; difficulty urinating or inability to urinate; fast, slow, or irregular heartbeat; loss of coordination; mood or mental changes; nervousness; ringing in the ears; seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; shallow breathing; tremor; trouble sleeping; uncontrolled muscle movements; unusual bruising or bleeding; unusual weakness or tiredness.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Chlorpheniramine/Codeine Suspension

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Chlorpheniramine/Codeine Suspension:

Changes in appetite; constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; heartburn; nausea; thickening of mucus secretions; upset stomach; vomiting.

Seek medical attention right away if any of these SEVERE side effects occur when using Chlorpheniramine/Codeine Suspension:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision, double vision, or other vision changes; confusion; difficulty urinating or inability to urinate; fainting; fast, slow, or irregular heartbeat; loss of coordination; mood or mental changes; nervousness; ringing in the ears; seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; shallow breathing; tremor; trouble sleeping; uncontrolled muscle movements; unusual weakness or tiredness; wheezing.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Chlorpheniramine/Codeine/Pseudoephedrine Suspension

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Chlorpheniramine/Codeine/Pseudoephedrine Suspension:

Constipation; dizziness; drowsiness; dry mouth, nose, or throat; 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 when using Chlorpheniramine/Codeine/Pseudoephedrine Suspension:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; difficulty urinating or inability to urinate; 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; shallow breathing; tremor; uncontrolled muscle movements; unusual bruising or bleeding; unusual weakness or tiredness; vision changes or blurred vision.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

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Side Effects by Body System - for Healthcare Professionals

Cardiovascular

Cardiovascular side effects have included fast, slow, or pounding heartbeat, hypertension, hypotension, orthostatic hypotension, palpitation, shock-like state, and syncope.

Nervous system

Nervous system side effects have included blurred, double, or other visual disturbances; confusion; dizziness; depression; drowsiness and sedation; headache; euphoria; facial dyskinesia; false sense of well-being; feeling faint, lightheadedness, general feeling of discomfort or illness; nervousness, agitation and restlessness; minimal sedation; somnolence; insomnia, dyskinesia, irritability, and tremor.

Gastrointestinal

Gastrointestinal side effects have included abdominal distension, abdominal pain, acute pancreatitis, constipation, diarrhea, dry mouth, dyspepsia, epigastric distress, loss of appetite, nausea, vomiting, and decreased gastric motility with increased likelihood of esophageal reflux.

Respiratory

Respiratory side effects have included dryness of pharynx and respiratory passages, laryngismus, nasal stuffiness, wheezing or troubled breathing, and respiratory depression.

Endocrine

Endocrine side effects have included changes in glucose utilization, decreased lactation, early menses, glycosuria, gynecomastia, hypoglycemia, increased appetite, increased libido, and pheochromocytoma stimulation.

Dermatologic

Dermatologic side effects have included dermatitis, excessive perspiration, urticaria, erythema, pruritus, and rash.

Hypersensitivity

Hypersensitivity side effects have included allergic laryngospasm, atelectasis, bronchospastic allergic reaction, hives, itching, and swelling of face.

Ocular

Ocular side effects have included blurred vision, diplopia, hypermetropia, lacrimation increased, mydriasis, and photophobia.

General

General side effects have included asthenia, feeling of relaxation, redness or flushing of the face, and unusual tiredness or weakness.

Other

Other side effects have included labyrinthitis, tinnitus, and vertigo.

Immunologic

Immunologic side effects have included drug fever.

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