Skip to main content

Adult Strength Side Effects

Generic name: aspirin / caffeine

Medically reviewed by Drugs.com. Last updated on Feb 11, 2024.

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

Applies to aspirin / caffeine: oral packet, oral tablet.

Serious side effects of Adult Strength

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

Other side effects of Adult Strength

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

For healthcare professionals

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

General

The more commonly reported adverse events with aspirin have included gastrointestinal events such as nausea and dyspepsia; caffeine may cause nervousness, irritability, sleeplessness, and palpitations, especially with higher doses.[Ref]

Gastrointestinal

Aspirin:

Endoscopically identifiable gastric mucosal lesions occur in most patients who receive a single dose of aspirin. Clinically evident gastrointestinal bleeding has been reported in as many as 3% of treated elderly patients. Anorectal ulceration and rectal stenosis have been reported in patients who abuse aspirin-containing rectal suppositories.[Ref]

Hematologic

Aspirin:

Hypersensitivity

Aspirin:

Respiratory

Aspirin:

Renal

Aspirin:

The mechanism of an aspirin-induced decrease in renal function may be related to inhibition of renal prostaglandin synthesis with consequent decreases in renal blood flow. Vasodilating renal prostaglandins may be particularly important in patients who exhibit arterial underfilling (i.e. heart failure, cirrhosis). The administration of high doses of NSAIDs to such patients has produced acute renal failure in rare instances.

Other

Aspirin:

Caffeine:

In one study of the effects of caffeine, 634 women with fibrocystic breast disease (compared to 1066 women without the disease), the occurrence of fibrocystic breast disease was positively associated with average daily consumption of caffeine. Women who consumed 31 to 250 mg/day of caffeine were reported to have a 1.5 times increase in odds to have the disease. Women who consumed over 500 mg/day of caffeine were reported to have a 2.3 times increase in odds

Dermatologic

Aspirin:

Hepatic

Aspirin:

Psychiatric

Caffeine:

Nervous system

Aspirin:

Caffeine:

Cardiovascular

Aspirin:

Caffeine:

Metabolic

Aspirin:

Genitourinary

Aspirin:

References

1. "Product Information. Bayer Aspirin (acetylsalicylsyra)." Bayer

2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

3. "Multum Information Services, Inc. Expert Review Panel"

More about Adult Strength (aspirin / caffeine)

Patient resources

Other brands

Anacin, BC Fast Pain Relief, P-A-C Analgesic, BC Arthritis, ... +9 more

Related treatment guides

Further information

Adult Strength 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.