- Manufactured by Sanofi-Aventis
- Generic Name: telithromycin
- Initially approved in 2004
Ketek is an antibiotic designed to treat specific respiratory infections caused by bacteria, like bronchitis and pneumonia. Ketek kills many types of bacteria that infect the lungs and sinuses, but it has no effect on viruses.
There have been reports of severe liver disease associated with the use of Ketek. In some cases, liver damage or deterioration occurred rapidly only after a few doses of the medication. Some of the symptoms mimic those associated with hepatitis: tiredness, body aches, loss of appetite, nausea, jaundice (yellowing of the skin and/or eyes), dark-colored urine, itchy skin, and stomach pains. If you are taking Ketek and develop these symptoms, immediately stop the drug and seek immediate medical attention.
Ketek may also cause vision problems. Impairment when quickly glancing between objects close by and objects far away was a commonly reported issue. Patients experienced Blurred vision, double vision, and difficulty focusing their eyesight. Most patients described these symptoms as mild to moderate, but there were those experienced vision impairments so severe, they could not perform normal activities. These problems lasted several hours, and repeated with subsequent does among patients.