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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Brand Name
Adult Low Strength Aspirin
Generic Name
Aspirin
Active Ingredient
AspirinCategory
Nonsteroidal Anti-inflammatory Drug [EPC]
Variants
1
Different strengths and dosage forms
| Strength | Form | Route | NDC |
|---|---|---|---|
| 81 mg/1 | TABLET, DELAYED RELEASE | ORAL | 53943-146 |
Detailed information about Adult Low Strength Aspirin
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Adult Low Strength Aspirin, you must consult a qualified healthcare professional.
Aspirin (acetylsalicylic acid) is a salicylate and nonsteroidal anti-inflammatory drug (NSAID) used to treat pain, fever, and inflammation, and as a platelet aggregation inhibitor to reduce cardiovascular risks.
Dosage varies significantly based on the condition being treated. Typical ranges include:
Warning: Aspirin should generally not be used in children or teenagers for viral infections (such as the flu or chickenpox) due to the risk of Reye’s Syndrome, a rare but potentially fatal condition. Pediatric use is strictly limited to specific conditions like Kawasaki disease under direct specialist supervision.
Patients with severe kidney disease (GFR < 10 mL/min) should avoid Aspirin, as it can further decrease renal blood flow and lead to acute kidney injury.
Use with caution in patients with severe liver disease, as the liver is the primary site for metabolism and Aspirin can increase the risk of bleeding in these patients.
Older adults are at a higher risk for gastrointestinal bleeding and kidney complications. Lower doses or more frequent monitoring may be required.
If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and resume your regular schedule. Do not double the dose to catch up.
Signs of Aspirin overdose (salicylism) include ringing in the ears (tinnitus), headache, dizziness, confusion, rapid breathing (hyperventilation), and vomiting. Severe overdose can lead to seizures or coma. Seek emergency medical attention immediately if an overdose is suspected.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose without medical guidance.
While Aspirin is a common medication, it can cause a range of side effects, particularly with long-term use or high doses.
> Warning: Stop taking Aspirin and call your doctor immediately if you experience any of these:
Chronic use of Aspirin can lead to the development of gastric ulcers (sores in the stomach lining) and chronic kidney disease. It may also lead to iron-deficiency anemia due to microscopic, undetected bleeding in the digestive tract.
While Aspirin does not carry the same cardiovascular black box warning as other NSAIDs (like Ibuprofen or Celecoxib), it does carry a significant warning regarding Reye's Syndrome.
Reye's Syndrome Warning: Aspirin should not be used in children or teenagers for viral infections, with or without fever, because of the risk of Reye's syndrome. Reye's syndrome is a rare but very serious illness that causes swelling in the liver and brain.
Report any unusual symptoms to your healthcare provider.
Aspirin is a potent medication that affects blood clotting and the stomach lining. It must be used with caution in individuals with a history of ulcers or bleeding disorders.
There is no standard FDA black box warning for adult cardiovascular risk for Aspirin; however, the warning for Reye's Syndrome in pediatric populations is the most critical safety notification associated with this drug.
For patients on long-term Aspirin therapy, healthcare providers may monitor:
Aspirin typically does not affect the ability to drive or operate machinery. However, if you experience dizziness or vision changes, avoid these activities and consult your doctor.
Consuming alcohol while taking Aspirin significantly increases the risk of stomach bleeding and gastric ulcers. It is generally advised to limit or avoid alcohol consumption during therapy.
For patients taking Aspirin for heart protection, stopping the medication suddenly can lead to a "rebound effect," increasing the risk of a heart attack. Never stop Aspirin therapy without consulting your cardiologist.
> Important: Discuss all your medical conditions with your healthcare provider before starting Aspirin.
Aspirin may interfere with certain lab tests, including urinary glucose tests and thyroid function tests, potentially leading to false results.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking.
Patients allergic to Aspirin may also react to other salicylates (such as magnesium salicylate) and many nonsteroidal anti-inflammatory drugs like ibuprofen and naproxen.
> Important: Your healthcare provider will evaluate your complete medical history before prescribing Aspirin.
Aspirin is excreted into breast milk in low concentrations. While occasional low doses are generally considered compatible with breastfeeding, chronic high-dose therapy is discouraged due to the potential risk of Reye's syndrome in the nursing infant.
As previously noted, Aspirin is contraindicated in children and teenagers with viral illnesses. It is only used in specific pediatric conditions like Kawasaki disease or certain congenital heart defects under the direction of a pediatric specialist.
Patients over 65 are at a significantly higher risk for Aspirin-induced gastrointestinal bleeding and renal impairment. Clinical guidelines (such as those from the USPSTF) have recently become more conservative regarding the use of Aspirin for primary prevention in the elderly.
In patients with a GFR below 30 mL/min, Aspirin should be used with extreme caution or avoided, as it can further reduce renal prostaglandins, leading to acute kidney failure.
Patients with severe cirrhosis (Child-Pugh Class C) are at high risk for bleeding and should generally avoid Aspirin unless the benefits for cardiovascular health are deemed essential by a specialist.
> Important: Special populations require individualized medical assessment.
Aspirin (acetylsalicylic acid) acts as an acetylating agent. It covalently attaches an acetyl group to a serine residue in the active site of the cyclooxygenase (COX) enzyme. This irreversible inhibition distinguishes Aspirin from other NSAIDs (like Ibuprofen), which bind reversibly. By inhibiting COX-1, Aspirin prevents the formation of Thromboxane A2 in platelets, which is the basis for its antiplatelet effect.
| Parameter | Value |
|---|---|
| Bioavailability | 80% - 100% (Rapidly absorbed) |
| Protein Binding | 80% - 90% (Primarily Albumin) |
| Half-life | 15–20 minutes (Aspirin); 2–30 hours (Salicylate metabolite) |
| Tmax | 0.25 - 2 hours (Formulation dependent) |
| Metabolism | Hepatic (Hydrolysis to Salicylic Acid) |
| Excretion | Renal (80% to 100%) |
Aspirin is a salicylate and a non-selective NSAID. It is also categorized as a platelet aggregation inhibitor.
Common questions about Adult Low Strength Aspirin
Aspirin is primarily used to relieve mild-to-moderate pain, reduce fever, and decrease inflammation in conditions like arthritis. Beyond these uses, it is frequently prescribed in low doses as a blood thinner to prevent heart attacks and ischemic strokes in high-risk individuals. It works by blocking chemicals in the body that cause pain and by preventing platelets from clumping together to form clots. Because of its potency, it should only be used for long-term heart health under the direct supervision of a healthcare provider. It is one of the most studied and versatile medications in modern medicine.
The most common side effects of Aspirin involve the digestive system, including stomach upset, heartburn, and nausea. Because Aspirin thins the blood, users may also notice that they bruise more easily or that small cuts take longer than usual to stop bleeding. These effects occur because Aspirin reduces the protective lining of the stomach and inhibits platelet function. Taking the medication with food or milk can often help mitigate the gastrointestinal discomfort. If you experience severe stomach pain or black, tarry stools, you should contact a doctor immediately.
It is generally recommended to avoid or strictly limit alcohol consumption while taking Aspirin. Both alcohol and Aspirin are known to irritate the stomach lining and increase the risk of gastrointestinal bleeding. According to the FDA, individuals who consume three or more alcoholic drinks daily are at a significantly higher risk for developing severe stomach bleeding if they use Aspirin. This combination can also increase the time it takes for your blood to clot, making even minor injuries more dangerous. Always discuss your alcohol intake with your doctor before starting a daily Aspirin regimen.
Aspirin is generally not recommended during pregnancy, especially during the third trimester, unless specifically prescribed by a specialist. High doses of Aspirin can cause complications for both the mother and the fetus, including premature closure of a vital fetal heart vessel and increased bleeding risks during delivery. However, some doctors may prescribe a 'low-dose' Aspirin (81 mg) to certain women at high risk for preeclampsia. Because of these complexities, you should never take Aspirin while pregnant without first consulting your obstetrician. They will weigh the specific risks and benefits for your individual situation.
For the relief of pain or fever, Aspirin typically begins to work within 30 to 60 minutes after oral ingestion. If you are taking an enteric-coated tablet, the onset may be slightly delayed as the coating must first dissolve in the small intestine. For its antiplatelet (blood-thinning) effects, Aspirin begins to work within about an hour of reaching the bloodstream. In emergency situations like a suspected heart attack, doctors often recommend chewing a non-enteric coated Aspirin to speed up absorption. The effects on blood platelets are irreversible and last for about 7 to 10 days.
If you are taking Aspirin for occasional pain relief, you can generally stop taking it whenever you choose. However, if you are on a daily Aspirin regimen for heart or stroke prevention, you should never stop taking it suddenly without your doctor's approval. Discontinuing Aspirin abruptly can lead to a 'rebound effect,' where the risk of a blood clot or heart attack temporarily increases. Your healthcare provider will help you determine if and when it is safe to stop the medication. This is particularly important if you have recently had a stent placed in your heart.
If you miss a dose of Aspirin, take it as soon as you remember. However, if it is almost time for your next scheduled dose, you should skip the missed dose and simply take the next one at the regular time. Never take two doses at once to make up for a missed one, as this increases the risk of stomach irritation and bleeding. For those taking Aspirin for heart health, consistency is key to maintaining the antiplatelet effect. Setting a daily alarm can help you remember to take your medication at the same time each day.
Aspirin is not known to cause weight gain. Unlike some other medications, it does not affect your metabolism, appetite, or water retention in a way that would lead to increased body weight. If you notice sudden weight gain or swelling while taking Aspirin, it could be a sign of a different underlying issue, such as heart or kidney problems. In such cases, you should consult your healthcare provider to determine the cause. Always report any unexpected physical changes to your doctor while on long-term medication.
Aspirin has many potential drug interactions, some of which can be quite serious. It should be used with extreme caution alongside other blood thinners like warfarin or apixaban, as the combined effect can lead to dangerous bleeding. Other NSAIDs, such as ibuprofen, can also interfere with Aspirin's ability to protect the heart. Additionally, some antidepressants and blood pressure medications may interact poorly with Aspirin. To ensure your safety, provide your doctor or pharmacist with a complete list of all prescription and over-the-counter medications you are currently taking.
Yes, Aspirin is widely available as a generic medication and is often much less expensive than brand-name versions. Generic Aspirin is required by the FDA to have the same active ingredient, strength, and dosage form as the brand-name products. It is sold under many different store brands and generic labels in various forms, including 81 mg and 325 mg tablets. Whether you choose a brand name or a generic, the clinical effect on pain and blood clotting will be identical. Check the label for the 'Active Ingredient' to ensure it is acetylsalicylic acid.
Other drugs with the same active ingredient (Aspirin)