Clarithromycin, sold under the brand name Biaxin, is an antibiotic used to treat various bacterial infections.[1] This includes strep throat, pneumonia, skin infections, H. pylori infection, and Lyme disease, among others. Clarithromycin can be taken by mouth as a pill or liquid.[1]

Starting at
| (3R,4S,5S,6R,7R,9R,11S,12R,13S,14S)-6-{[(2S,3R,4S,6R) -4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy} -14-ethyl-12,13-dihydroxy-4-{[(2R,4S,5S,6S)-5-hydroxy -4-methoxy-4,6-dimethyloxan-2-yl]oxy}-7 -methoxy-3,5,7,9,11,13-hexamethyl -1-oxacyclotetradecane-2,10-dione |
| Trade names | Biaxin |
| AHFS/Drugs.com | monograph |
| MedlinePlus | a692005 |
| Pregnancy category |
C (USA) B3 (Aus) |
| Legal status | prescription only |
| Routes of administration |
oral, intravenous |
| Bioavailability | 50% |
| Protein binding | low binding |
| Metabolism | hepatic |
| Biological half-life | 3–4 h |
| CAS Number | 81103-11-9 |
| ATC code | J01FA09 |
| PubChem | CID: 5284534 |
| DrugBank | DB01211 |
| ChemSpider | 10342604 |
| UNII | H1250JIK0A |
| KEGG | D00276 |
| ChEMBL | CHEMBL1741 |
| Formula | C38H69NO13 |
| Molecular mass | 747.953 g/mol |
| SMILES[show] | |
| InChI[show] | |