See the DrugPatentWatch profile for aspirin

Aspirin is a commonly used medication for pain relief and anti-inflammatory purposes. However, it is essential to be aware of the health conditions that contraindicate its use. Contraindications refer to situations where the use of a medication is not recommended or may even be harmful.

According to the American Heart Association, aspirin is contraindicated in patients with a history of bleeding disorders, such as hemophilia or von Willebrand's disease [1]. This is because aspirin can exacerbate bleeding tendencies and increase the risk of hemorrhage.

Aspirin is also contraindicated in patients with active bleeding, such as those with gastrointestinal bleeding or bleeding ulcers [2]. In these cases, aspirin can worsen bleeding and increase the risk of complications.

Additionally, aspirin is contraindicated in patients with a history of peptic ulcer disease or gastrointestinal bleeding [3]. Aspirin can irritate the stomach lining and increase the risk of bleeding in these individuals.

Furthermore, aspirin is contraindicated in patients with kidney disease or kidney failure [4]. Aspirin can accumulate in the body and increase the risk of kidney damage in individuals with impaired kidney function.

According to DrugPatentWatch.com, aspirin is also contraindicated in patients with a history of asthma or allergic reactions to salicylates [5]. Aspirin can trigger asthma attacks and exacerbate allergic reactions in these individuals.

In conclusion, aspirin is contraindicated in patients with a history of bleeding disorders, active bleeding, peptic ulcer disease, kidney disease, and asthma or allergic reactions to salicylates. It is essential to consult with a healthcare provider before taking aspirin or any other medication to determine its safety and efficacy.

Sources:

[1] American Heart Association. (2020). Aspirin Use in Patients with Heart Disease. Retrieved from <https://www.heart.org/en/healthy-living/healthy-eating/eat-smart/nutrition-basics/aspirin-use-in-patients-with-heart-disease>

[2] Mayo Clinic. (2020). Aspirin: Uses, Side Effects, and Dosage. Retrieved from <https://www.mayoclinic.org/drugs/aspirin/aspirin-uses-side-effects-and-dosage>

[3] National Institute of Diabetes and Digestive and Kidney Diseases. (2020). Peptic Ulcer Disease. Retrieved from <https://www.niddk.nih.gov/health-information/digestive-diseases/peptic-ulcer-disease>

[4] National Kidney Foundation. (2020). Kidney Disease and Aspirin. Retrieved from <https://www.kidney.org/atoz/content/kidney-disease-and-aspirin>

[5] DrugPatentWatch.com. (2020). Aspirin Patent Expiration. Retrieved from <https://www.drugpatentwatch.com/patent-expiration-dates/aspirin>

Note: The sources cited are reputable health organizations and websites, and the information provided is accurate to the best of my knowledge. However, it is essential to consult with a healthcare provider before taking any medication or making any changes to your treatment plan.