Backaid Inflammatory Pain Formula Side Effects

Generic name: acetaminophen / aspirin / caffeine

Medically reviewed by Drugs.com. Last updated on Jan 6, 2024.

Note: This document provides detailed information about Backaid Inflammatory Pain Formula Side Effects associated with acetaminophen / aspirin / caffeine. Some dosage forms listed on this page may not apply specifically to the brand name Backaid Inflammatory Pain Formula.

Applies to acetaminophen / aspirin / caffeine: oral tablet.

Important warnings This medicine can cause some serious health issues

Do not give this medicine to a child or teenager with a fever, flu symptoms, or chicken pox.

Aspirin can cause Reye's syndrome, a serious and sometimes fatal condition in children.

Do not take more than the recommended dose. An acetaminophen overdose can damage your liver or cause death.

Call your doctor at once if you have: nausea, upper stomach pain, loss of appetite, dark urine, yellowing of your skin or eyes, clay-colored stools, bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds.

In rare cases, acetaminophen may cause a severe skin reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling.

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This could occur even if you have taken acetaminophen in the past and had no reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling. If you have this type of reaction, you should never again take any medicine that contains acetaminophen.

Stop using this medicine and call your doctor at once if you have:

• severe anxiety, agitation, confusion, panic;

• easy bruising or bleeding;

• a light-headed feeling, like you might pass out;

• dehydration symptoms--feeling very thirsty or hot, being unable to urinate, heavy sweating, or hot and dry skin;

• symptoms of stomach bleeding--bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;

• high potassium--nausea, weakness, tingly feeling, chest pain, irregular heartbeats, loss of movement; or

• liver problems--nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Common side effects may include:

• upset stomach, heartburn;

• depressed mood, feeling anxious or restless; or

• sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For healthcare professionals

Applies to acetaminophen/aspirin/caffeine: oral powder for reconstitution, oral tablet.

General adverse events

The more commonly reported adverse events may include nausea dyspepsia, nervousness, irritability, sleeplessness, and palpitations.^[Ref]

Hepatic

Acetaminophen (paracetamol):

• Frequency not reported: Liver failure

Aspirin:

• Frequency not reported: Hepatotoxicity, cholestatic hepatitis, aminotransferase elevations^[Ref]

Gastrointestinal

Acetaminophen (paracetamol):

• Frequency not reported: Nausea, vomiting

Aspirin:

• Frequency not reported: Epigastric distress, abdominal discomfort, nausea, vomiting, hemorrhage, peptic ulcers, perforation, esophageal ulcerations, dyspepsia, gastritis^[Ref]

Hypersensitivity

Acetaminophen (paracetamol):

• Postmarketing reports: Anaphylaxis, hypersensitivity reactions

Aspirin:

• Very common (10% or more): Hypersensitivity reactions in asthmatics who are aspirin-sensitive (e.g., with the clinical triad of aspirin sensitivity, bronchial asthma, and nasal polyps)
• Frequency not reported: Hypersensitivity reactions include bronchospasm, rhinitis, conjunctivitis, urticaria, angioedema, skin reactions, and anaphylaxis^[Ref]

Dermatologic

Acetaminophen (paracetamol):

• Very rare (less than 0.01%): Serious skin reactions including Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and acute generalized exanthematous pustulosis (AGEP)

Aspirin:

• Frequency not reported: Stevens-Johnson syndrome, lichenoid eruption^[Ref]

Renal

Aspirin:

• Frequency not reported: Renal dysfunction, renal failure, increased blood uric acid levels^[Ref]

Hematologic

Acetaminophen (paracetamol):

• Frequency not reported: Blood dyscrasias including thrombocytopenia, agranulocytosis

Aspirin:

• Frequency not reported: Predictable antiplatelet effects, hemorrhage, increased blood fibrinolytic activity, hypoprothrombinemia, thrombocytopenia, thrombocyturia, megaloblastic anemia, pancytopenia, aplastic anemia, ecchymosis^[Ref]

Respiratory

Aspirin:

• Frequency not reported: Bronchospasm (in patients sensitive to aspirin and other NSAID)^[Ref]

Cardiovascular

Acetaminophen (paracetamol):

• Frequency not reported: Hypotension

Aspirin:

• Frequency not reported: Salicylate-induced variant angina, ventricular ectopy, conduction abnormalities, and hypotension, particularly during salicylate toxicity

Caffeine:

• Frequency not reported: Palpitations^[Ref]

Metabolic

Acetaminophen (paracetamol):

• Frequency not reported: Hypokalemia, hypoglycemia

Aspirin:

• Frequency not reported: Dehydration, hyperkalemia, hypoglycemia, sodium and fluid retention, respiratory alkalosis and metabolic acidosis (particularly during salicylate toxicity)^[Ref]

Nervous system

Acetaminophen (paracetamol):

• Frequency not reported: Headache, dizziness, dystonia

Aspirin:

• Frequency not reported: Dizziness, headache

Caffeine:

• Frequency not reported: Dizziness, tremor^[Ref]

Other

Acetaminophen (paracetamol):

• Frequency not reported: Malaise, fatigue

Aspirin:

• Frequency not reported: Reye's syndrome, tinnitus, temporary hearing loss

Caffeine:

• Frequency not reported: Fibrocystic breast disease^[Ref]

Further information

Backaid Inflammatory Pain Formula side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

Medical Disclaimer