Aspirin

Description

Aspirin is a nonsteroidal anti-inflammatory drug (NSAID) with the chemical name acetylsalicylic acid. Its molecular formula is C9H8O4, and it has a molecular weight of 180.16 g/mol. Aspirin is typically presented in tablet form for oral administration. The tablets are white, round, and may be coated to facilitate swallowing and enhance stability. Inactive ingredients may include starch, cellulose, and various excipients used in the formulation.

Uses and Indications

This drug is indicated for the temporary relief of various types of pain, including headache, muscle pain, toothache, menstrual pain, minor pain associated with arthritis, and pain and fever related to colds.

There are no teratogenic or nonteratogenic effects mentioned in the available data.

Dosage and Administration

Patients should take the medication with a full glass of water to ensure proper administration and absorption.

For adults and children aged 12 years and older, the recommended dosage is either 1 or 2 tablets every 4 hours, or 3 tablets every 6 hours. The total daily dosage must not exceed 12 tablets within a 24-hour period.

For children under 12 years of age, it is advised to consult a healthcare professional for appropriate dosing recommendations.

Contraindications

Use is contraindicated in individuals with a known allergy to aspirin or any other pain reliever or fever reducer.

Warnings and Precautions

Patients should be informed of the following warnings and precautions associated with the use of this medication.

Reye's Syndrome It is critical to note that children and teenagers should not use this medication for chickenpox or flu symptoms without prior consultation with a healthcare provider regarding the risk of Reye's syndrome. This rare but serious condition has been reported in association with aspirin use.

Allergy Alert Aspirin may induce severe allergic reactions. Healthcare professionals should be vigilant for signs of an allergic response, which may manifest as hives, shock, facial swelling, or asthma symptoms such as wheezing. Immediate medical attention is warranted if any of these symptoms occur.

Alcohol Warning Patients who consume three or more alcoholic beverages daily should consult their healthcare provider before taking aspirin or any other pain reliever or fever reducer. The concomitant use of alcohol and aspirin may increase the risk of stomach bleeding.

Emergency Medical Help In the event of an overdose, it is imperative to seek emergency medical assistance or contact a Poison Control Center immediately.

Monitoring and Consultation Patients should discontinue use and contact their healthcare provider if any of the following occur: an allergic reaction, the emergence of new symptoms, worsening pain that persists beyond 10 days, the presence of redness or swelling, fever lasting more than three days, or symptoms such as ringing in the ears or loss of hearing. These signs may indicate the need for further evaluation and management.

Side Effects

Patients using this medication may experience a range of adverse reactions, which can be categorized by seriousness and frequency.

Serious adverse reactions include the potential for Reye's syndrome, particularly in children and teenagers using the medication for chickenpox or flu symptoms. This rare but serious illness has been reported in association with aspirin use. Additionally, aspirin may cause severe allergic reactions, which can manifest as hives, shock, facial swelling, or asthma (wheezing). In such cases, patients should seek immediate medical attention.

Common adverse reactions may include gastrointestinal issues such as heartburn, upset stomach, or stomach pain, particularly in patients with a history of stomach problems, bleeding disorders, or ulcers. Patients are advised to consult a doctor before using aspirin if they have any of these conditions. Furthermore, individuals consuming three or more alcoholic drinks daily should discuss the use of aspirin with their healthcare provider, as it may increase the risk of stomach bleeding.

Patients should discontinue use and consult a doctor if they experience any allergic reactions, new symptoms, worsening pain lasting more than 10 days, redness or swelling, fever persisting beyond three days, or symptoms such as ringing in the ears or loss of hearing.

In the event of an overdose, it is crucial to seek medical help or contact a Poison Control Center immediately. It is also important to note that aspirin should not be used during the last three months of pregnancy unless specifically directed by a healthcare provider, as it may pose risks to the unborn child or lead to complications during delivery.

Patients taking prescription medications for anticoagulation, gout, diabetes, or arthritis should consult a doctor or pharmacist before using aspirin to avoid potential interactions.

Drug Interactions

Patients taking prescription anticoagulants should consult with a healthcare professional prior to using this medication. The combination may increase the risk of bleeding due to the additive effects on coagulation.

In addition, individuals who consume three or more alcoholic beverages daily are advised to seek medical advice before using aspirin or other nonsteroidal anti-inflammatory drugs (NSAIDs) for pain relief or fever reduction. The concurrent use of alcohol and aspirin may elevate the risk of gastrointestinal bleeding, particularly in those with a history of stomach issues. Monitoring for signs of gastrointestinal distress is recommended in these patients.

Packaging & NDC

Below are the non-prescription pack sizes of Aspirin. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Pediatric Use

Children and teenagers should not use this medicine for chicken pox or flu symptoms without prior consultation with a healthcare professional regarding the risk of Reye's syndrome, a rare but serious illness associated with aspirin use.

For dosing, adults and children aged 12 years and older may take 1 or 2 tablets every 4 hours or 3 tablets every 6 hours, with a maximum of 12 tablets in a 24-hour period. For children under 12 years of age, it is advised to consult a doctor before use.

Geriatric Use

There is no specific information regarding the use of this medication in geriatric patients, including dosage adjustments, safety concerns, or special precautions. Healthcare providers should exercise caution when prescribing this medication to elderly patients, as individual responses may vary. Monitoring for potential adverse effects and therapeutic efficacy is recommended in this population.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional before using this medication. The use of aspirin during the last trimester of pregnancy is particularly concerning, as it may lead to adverse effects on fetal outcomes or complications during delivery. Therefore, it is crucial that pregnant patients only use aspirin in the final three months of pregnancy if explicitly directed by a healthcare provider.

Lactation

Lactating mothers are advised to consult a health professional before using this medication. It is particularly important to avoid the use of aspirin during the last three months of pregnancy, as it may pose risks to the unborn child or lead to complications during delivery. There is no specific data available regarding the excretion of this medication in breast milk or its effects on breastfed infants. Therefore, caution is recommended when considering the use of this medication while breastfeeding.

Renal Impairment

Patients with renal impairment have no specific information regarding dosage adjustments, special monitoring, or safety considerations provided in the drug insert. Therefore, healthcare professionals should exercise caution when prescribing this medication to individuals with reduced kidney function, as the absence of guidance necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in these patients to ensure safety and efficacy.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of this medication. Consequently, there are no established dosage adjustments, special monitoring requirements, or precautions for individuals with compromised liver function. It is recommended that healthcare providers exercise caution when prescribing this medication to patients with hepatic impairment, given the lack of data on its safety and efficacy in this population. Regular monitoring of liver function may be prudent in these cases, although specific parameters are not defined in the available information.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Prompt intervention is crucial to mitigate potential adverse effects associated with the overdose.

Healthcare professionals should be vigilant in monitoring for symptoms that may arise from an overdose. While specific symptoms are not detailed in the provided information, it is essential to be aware that they can vary based on the substance involved and the individual’s health status.

Management of an overdose typically involves supportive care and symptomatic treatment. The healthcare provider should assess the patient's condition and implement appropriate measures based on the severity of the overdose and the symptoms presented. Continuous monitoring and evaluation are recommended to ensure patient safety and effective management of the situation.

Nonclinical Toxicology

It is especially important not to use aspirin during the last three months of pregnancy unless specifically directed by a healthcare professional, as it may lead to complications for the unborn child or during delivery. No specific non-teratogenic effects have been identified in the available data. Additionally, there are no detailed findings regarding nonclinical toxicology or animal pharmacology and toxicology provided in the current information.

Postmarketing Experience

No specific postmarketing experience details are available in the insert text. As such, there are no additional adverse events or rare case reports to summarize at this time.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center in the event of an overdose. It is crucial to inform patients not to use the medication if they have a known allergy to aspirin or any other pain reliever or fever reducer.

Patients should be instructed to discontinue use and consult a doctor if they experience any of the following: an allergic reaction, the emergence of new symptoms, worsening pain that persists for more than 10 days, any signs of redness or swelling, a fever lasting more than 3 days, or symptoms such as ringing in the ears or loss of hearing.

Additionally, healthcare providers should encourage patients to consult with a doctor before using the medication if they have a history of stomach problems, including heartburn, upset stomach, or stomach pain that is persistent or recurrent; bleeding disorders; ulcers; or asthma.

Patients should also be advised to speak with a doctor or pharmacist prior to use if they are currently taking prescription medications for anticoagulation (blood thinning), gout, diabetes, or arthritis to ensure safe and effective use of the medication.

Storage and Handling

The product is supplied in a carton that contains essential directions and warnings; therefore, it is important to retain the carton for reference. It should be stored at room temperature to maintain its integrity and effectiveness. Special handling requirements are not specified, but general care should be taken to ensure the product is kept in a suitable environment.

Additional Clinical Information

The medication is administered orally. For adults and children aged 12 years and older, the recommended dosage is 1 or 2 tablets every 4 hours or 3 tablets every 6 hours, with a maximum of 12 tablets in a 24-hour period. For children under 12 years, it is advised to consult a healthcare professional for appropriate dosing.

Clinicians should counsel patients regarding the use of this medication during pregnancy and breastfeeding. It is particularly important to avoid aspirin in the last trimester of pregnancy unless specifically directed by a healthcare provider, as it may pose risks to the unborn child or lead to complications during delivery. No additional information is available regarding laboratory tests, abuse potential, or postmarketing experiences.

Drug Information (PDF)

This file contains official product information for Aspirin, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)