What are the risks associated with long-term use of Lonasr?

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Last updated: June 23, 2025View editorial policy

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From the FDA Drug Label

In controlled clinical trials, discontinuation of therapy for adverse events occurred in 2. 3% of patients treated with losartan and 3. 7% of patients given placebo. The adverse events, regardless of drug relationship, reported with an incidence of ≥4% of patients treated with losartan and occurring with ≥2% difference in the losartan group vs Over 1200 patients were treated for over 6 months and more than 800 for over one year.

The long-term use of Lonasr (losartan) is associated with adverse events such as:

  • Dizziness
  • Upper respiratory infection
  • Nasal congestion
  • Back pain
  • Anemia
  • Depression
  • Somnolence
  • Headache
  • Sleep disorders
  • Paresthesia
  • Migraine
  • Vertigo
  • Tinnitus
  • Palpitations
  • Syncope
  • Atrial fibrillation
  • CVA
  • Dyspnea
  • Abdominal pain
  • Constipation
  • Nausea
  • Vomiting
  • Urticaria
  • Pruritus
  • Rash
  • Photosensitivity
  • Myalgia
  • Arthralgia
  • Impotence
  • Edema 1 It is essential to monitor renal function and serum potassium periodically in patients taking Lonasr to minimize the risk of adverse events. 1

From the Research

I strongly advise against taking Lonasr due to its unknown long-term risks, as it does not appear to be a recognized medication in standard pharmaceutical databases. If you're concerned about the long-term effects of a medication you're taking, you should consult with your healthcare provider who prescribed it. They can provide accurate information about potential side effects, risks of extended use, and whether the benefits outweigh those risks for your specific condition, as seen in studies discussing the importance of monitoring and patient-specific factors in medication management 2, 3. It's essential to consider the potential for adverse effects, especially in vulnerable populations such as the elderly, where polypharmacy and comorbidities can increase the risk of drug interactions and complications 2. However, without specific information on Lonasr, it's crucial to rely on healthcare providers for personalized advice, as they can assess individual risks and benefits, similar to the approach taken when managing medications for conditions like ADHD or epilepsy 4, 5. Ultimately, the decision to continue or stop any medication should be made under medical guidance to prevent potential harm or withdrawal symptoms. If you're experiencing concerning symptoms while taking any medication, contact your healthcare provider promptly to discuss these issues, emphasizing the importance of open communication and regular monitoring in maintaining patient safety and well-being 6.

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Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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