Drug: Clarithromycin: Phase 2: Detailed Description: Humanity is experiencing since December 2019 a new pandemic by the novel SARS Coronavirus-19 (SARS-CoV-2). As of March 25 2020 418,099 documented case were reported worldwide; 18,608 patients died. The analysis of the clinical characteristics of these patients showed that the natural course of this disease, known with the acronym COVID-19. Biaxin XL. Generic name: clarithromycin (kla RITH roe MYE sin) Brand name: Biaxin XL Drug class: Macrolides Medically reviewed by Philip Thornton, DipPharm.Last updated on May 27, 2020. Uses; Warnings; Dosage; What to avoid; Side effects; Interactions Drug information provided by: IBM Micromedex. Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. You may take this medicine with meals or milk or on an empty stomach. However, clarithromycin extended release tablets should be taken with food. If you are using the extended-release. Drug tariff Drug tariff price; Clarithromycin 500 mg; 14: tablet (POM) £21.50 Part VIIIA Category M: £2.20: Modified-release tablet All products. Cautionary and advisory labels. Label 9 - Space the doses evenly throughout the day. Keep taking this medicine until the course is finished, unless you are told to stop. Clarithromycin Oral Suspension may be prescribed. Medicinal forms. There can be variation in the licensing of different medicines containing the same drug. Forms available from special-order manufacturers include: infusion. Tablet, Modified-release tablet, Granules, Oral suspension, Powder for solution for infusion. Back to top. Related Treatment Summaries. Antibacterials, use for prophylaxis. Both clarithromycin and itraconazole are substrates and inhibitors of CYP3A, leading to a bidirectional drug interaction. Clarithromycin may increase the plasma levels of itraconazole, while itraconazole may increase the plasma levels of clarithromycin. Patients taking itraconazole and clarithromycin concomitantly should be monitored closely for signs or symptoms of increased or prolonged. Clarithromycin is the most effective antibiotic against H. pylori but, unfortunately, resistance to it is increasing and can not be overcome by increasing the dose or duration of therapy with clarithromycin. The choice of therapy should be based on local susceptibility patterns. Re-treatment regimens for treatment failure should exclude antibiotics where acquired resistance is expected (i.e. Clarithromycin is used to treat certain bacterial infections, such as pneumonia (a lung infection), bronchitis (infection of the tubes leading to the lungs), and infections of the ears, sinuses, skin, and throat. It also is used to treat and prevent disseminated Mycobacterium avium complex (MAC) infection [a type of lung infection that often affects people with human immunodeficiency virus. For Healthcare Professionals. Applies to clarithromycin: oral powder for reconstitution, oral tablet, oral tablet extended release. General. The most common side effects were abdominal pain/discomfort, diarrhea, nausea, vomiting, and dysgeusia/taste perversion. In immunocompromised patients treated with higher doses of this drug (1 to 2 g/day), the most common side effects were nausea. Clarithromycin oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works.