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Continued use of azithromycin for mild COVID-19 in India: Evidence and implications?
Shubham Atal1, Saurav Misra1, Sadasivam Balakrishnan1
1Department of Pharmacology, AIIMS Bhopal, Madhya Pradesh, India.
Abstract:
Azithromycin is an antibiotic commonly used for treating respiratory, gastrointestinal infections besides enteric fever, otitis media etc. It's convenient short duration oral dosing regimens and good tolerability make it a popular drug in routine outpatient settings in primary to tertiary care. Pre-clinical studies have shown immunomodulatory and in vitro activity of azithromycin against SARS CoV-2, which has led to its widespread usage in COVID-19. However, subsequent reviews of observational studies assessing its efficacy in different grades of COVID-19, as well as data from well conducted randomised clinical trials (RCTs) in mild - moderate COVID-19 have shown no or very low quality evidence of benefit of the drug on various clinical outcome parameters. Still, the drug continues to be used indiscriminately in many parts of India for treatment of home isolated patients of mild COVID-19. Such injudicious use in the community should be stopped, otherwise there will be serious adverse consequences of development of resistance to this very useful antibiotic during this pandemic.
Insights
Azithromycin, an antibiotic, shows no proven benefit for COVID-19 despite its common use. Indiscriminate use risks antibiotic resistance, a serious public health concern during the pandemic.
Area of Science:
- Pharmacology
- Infectious Diseases
- Public Health
Background:
- Azithromycin is a widely prescribed antibiotic for various infections.
- Pre-clinical studies suggested potential benefits of azithromycin against SARS-CoV-2.
- This led to its widespread use in COVID-19 treatment.
Purpose of the Study:
- To evaluate the clinical efficacy of azithromycin in COVID-19 patients.
- To assess the evidence supporting azithromycin's use in mild to moderate COVID-19.
- To address the implications of its indiscriminate use.
Main Methods:
- Review of observational studies on azithromycin in COVID-19.
- Analysis of data from randomized clinical trials (RCTs) in mild-moderate COVID-19.
- Assessment of clinical outcome parameters.
Main Results:
- Observational studies and RCTs show no or very low-quality evidence of azithromycin's benefit in COVID-19.
- Despite lack of evidence, the drug is still widely used in some regions.
Conclusions:
- The indiscriminate use of azithromycin for COVID-19 should cease.
- Continued injudicious use poses a significant risk of developing antibiotic resistance.
- This poses a serious threat to public health, especially during the pandemic.
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Acute Pharyngitis
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

