Aceta w / Codeine Side Effects

Generic Name: acetaminophen / codeine

Note: This page contains information about the side effects of acetaminophen / codeine. Some of the dosage forms included on this document may not apply to the brand name Aceta w / Codeine.

For the Consumer

Applies to acetaminophen / codeine: oral capsule, oral elixir, oral solution, oral suspension, oral tablet

In addition to its needed effects, some unwanted effects may be caused by acetaminophen / codeine. In the event that any of these side effects do occur, they may require medical attention.

Major Side Effects

You should check with your doctor immediately if any of these side effects occur when taking acetaminophen / codeine:

• Difficult or troubled breathing
• irregular, fast or slow, or shallow breathing
• pale or blue lips, fingernails, or skin
• shortness of breath

• Black, tarry stools
• bleeding gums
• blood in the urine or stools
• cough or hoarseness
• difficulty with swallowing
• dizziness
• fast heartbeat
• fever with or without chills
• general feeling of tiredness or weakness
• hives
• itching
• lower back or side pain
• painful or difficult urination
• pinpoint red spots on the skin
• puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• skin rash
• sore throat
• sores, ulcers, or white spots on the lips or in the mouth
• tightness in the chest
• unusual bleeding or bruising
• unusual tiredness or weakness

If any of the following symptoms of overdose occur while taking acetaminophen / codeine, get emergency help immediately:

• Abdominal or stomach pain
• bloody or cloudy urine
• chills
• constricted, pinpoint, or small pupils (black part of the eye)
• convulsions
• dark urine
• headache
• increased sweating
• light-colored stools
• loss of appetite
• loss of consciousness
• nausea
• sudden decrease in amount of urine
• unpleasant breath odor
• vomiting
• vomiting of blood
• yellow eyes or skin

Minor Side Effects

Some of the side effects that can occur with acetaminophen / codeine may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

• Drowsiness
• lightheadedness
• relaxed and calm
• sleepiness

• Difficulty having a bowel movement (stool)
• false or unusual sense of well-being

For Healthcare Professionals

Applies to acetaminophen / codeine: oral capsule, oral liquid, oral suspension, oral tablet

General

The most frequently observed adverse reactions include drowsiness, lightheadedness, dizziness, sedation, shortness of breath, nausea, and vomiting.^[Ref]

Nervous system

Acetaminophen-codeine:
Common (1% to 10%): Drowsiness, dizziness
Frequency not reported: Lightheadedness, sedation, medication over-use headache

Acetaminophen:
Frequency not reported: Drowsiness, impaired mental functions

Opioids:
Frequency not reported: Confusion, drowsiness, vertigo, dizziness, CNS excitation (restlessness/excitement), convulsions, headache, raised intracranial pressure^[Ref]

Gastrointestinal

Acetaminophen-codeine:
Frequency not reported: Nausea, vomiting, constipation, abdominal pain

Acetaminophen:
Very rare (less than 0.01%): Pancreatitis
Frequency not reported: Dyspepsia

Opioids:
Frequency not reported: Constipation, GI irritation, biliary spasm, nausea, vomiting, loss of appetite, dry mouth, paralytic ileus, toxic megacolon^[Ref]

Hepatic

Acetaminophen:
Frequency not reported: Acute liver failure, hepatotoxicity, chronic hepatic necrosis, cytolytic hepatitis^[Ref]

Psychiatric

Acetaminophen-codeine:
Frequency not reported: Euphoria, dysphoria

Opioid:
Frequency not reported: Confusion, changes in mood, hallucinations, mental depression, trouble sleeping or nightmares, tolerance or dependence^[Ref]

Renal

Acetaminophen-codeine:
Frequency not reported: Renal failure, uremia

Acetaminophen:
Frequency not reported: Nephrotoxicity, papillary necrosis^[Ref]

Hypersensitivity

Acetaminophen-codeine:
Frequency not reported: Allergic reactions

Acetaminophen:
Rare (less than 0.1%): Allergic reactions including skin rash, drug fever, mucosal lesions
Postmarketing reports: Hypersensitivity including swelling of the face, mouth, and throat, respiratory distress, urticaria, rash, pruritus, and vomiting, anaphylaxis, angioedema

Opioids:
Frequency not reported: Rash, urticaria, difficulty breathing, increased sweating, redness, redness or flushed face^[Ref]

Cardiovascular

Acetaminophen:
Frequency not reported: Toxic myocarditis, Kounis syndrome

Opioids:
Frequency not reported: Bradycardia, palpitations, hypotension^[Ref]

Genitourinary

Acetaminophen-codeine:
Frequency not reported: Urinary retention or hesitance

Opioids:
Frequency not reported: Urinary retention, ureteral spasm, antidiuretic effect^[Ref]

Hematologic

Acetaminophen-codeine:
Frequency not reported: Thrombocytopenia, agranulocytosis, anemia

Acetaminophen:
Very rare (less than 0.01%): Thrombocytopenia, neutropenia, leucopenia
Frequency not reported: Agranulocytosis, methemoglobinemia, pancytopenia, thrombocytopenia purpura, hemolytic anemia^[Ref]

Dermatologic

Acetaminophen-codeine:
Frequency not reported: Pruritus, rash

Acetaminophen:
Rare (less than 0.1%): Serious skin reactions such as acute generalized exanthematous pustulosis (AGEP), Stevens-Johnson Syndrome (SJS), and toxic epidermal necrolysis (TEN)
Frequency not reported: Sweating, fixed drug eruption^[Ref]

Respiratory

In patients with a tendency of analgesic asthma acetaminophen-use has triggered bronchospasms.^[Ref]

Acetaminophen-codeine:
Frequency not reported: Shortness of breath

Acetaminophen:
Frequency not reported: Bronchospasm

Codeine:
Frequency not reported: Respiratory depression^[Ref]

Ocular

Opioids:
Frequency not reported: Blurred or double vision^[Ref]

Not all side effects for Aceta w / Codeine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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