Clarithromycin available with us is in powdered form and is very easy to take. It is known to be a macrolide antibiotic that fights against bacteria in the patientâs body. All the issues that are caused by bacteria affecting respiratory system and skin can easily be treated with the regular dosage of Clarithromycin Powder. However, one should take strict precautions while being on this medication as the it may otherwise cause dysgeusia. When taken along with other medicines, it can also treat stomach ulcers.