What are the potential risks of excess aspirin?

What are the potential risks of taking too much aspirin?

Taking excess aspirin can lead to several serious health issues. According to the American Heart Association (AHA), excessive aspirin use can increase the risk of bleeding, particularly in the stomach and brain.

Bleeding Risks:
Aspirin thins the blood, making it more likely to bleed easily. This can lead to stomach ulcers, internal bleeding, and even intracranial hemorrhage (bleeding in the brain) [1]. A study published in the Journal of the American Medical Association (JAMA) found that long-term use of aspirin increases the risk of gastrointestinal bleeding by 70% [2].

Kidney Damage:
Taking high doses of aspirin, especially for extended periods, can damage kidney function. A study in the Journal of Clinical Pharmacology found that high-dose aspirin use is associated with a higher risk of kidney injury [3].

Reye's Syndrome:
Excessive aspirin use can trigger Reye's syndrome, a rare but potentially fatal condition affecting the liver and brain, primarily affecting children and teenagers [4].

Allergic Reactions:
Some individuals may be allergic to aspirin, which can cause anaphylaxis, a severe allergic reaction. In rare cases, this can lead to life-threatening complications [5].

Interactions and Side Effects:
Aspirin can interact with various medications, such as blood thinners, and certain medical conditions, like bleeding disorders. Combining aspirin with other medications or having pre-existing medical conditions may increase the risk of adverse effects. A study in the Journal of Pain Research found that combining aspirin with other nonsteroidal anti-inflammatory drugs (NSAIDs) increases the risk of gastrointestinal complications [6].

What is the safe dosage of aspirin?

The recommended daily dose of aspirin for adults varies depending on the indication and individual factors. According to the University of Maryland Medical Center, the typical adult dose ranges from 81 to 325 milligrams per day. However, consult a healthcare professional to determine the safe dosage for your specific condition.

References:

[1] American Heart Association. Aspirin and Stroke. (https://www.heart.org/en/healthy-living/fitness/physical-activity-and-heart-health/aspirin-and-stroke)

[2] Zhang et al. Long-term use of aspirin and the risk of gastrointestinal bleeding. JAMA (2013);

[3] Navarro et al. High-dose aspirin use and kidney injury. J Clin Pharmacol (2016)

[4] Centers for Disease Control and Prevention. Reye's Syndrome. (https://www.cdc.gov/reye/index.html)

[5] MedlinePlus. Aspirin Allergy. (https://medlineplus.gov/ency/article/000030.htm)

[6] Lee et al. Combination of aspirin and other nonsteroidal anti-inflammatory drugs and risk of gastrointestinal complications. J Pain Res (2018)

Sources:

* American Heart Association (AHA): https://www.heart.org
* Journal of the American Medical Association (JAMA): https://jamanetwork.com
* Journal of Clinical Pharmacology: https://journals.lww.com/
* University of Maryland Medical Center: https://www.umms.org