Clarithromycin CYP3A4, involved in the metabolism of many other commonly prescribed drugs. Taking clarithromycin with other medications that are metabolized by CYP3A4 may lead to unexpected increases or decreases in drug levels. A few of the common interactions are listed below. Clarithromycin has been observed to have a dangerous interaction with colchicine as the result of inhibition of CYP3A4 metabolism and P-glycoprotein transport. Combining these two drugs may lead to fatal colchicine toxicity, particularly in patients with renal insufficiency. Taking clarithromycin concurrently with certain statins (a class of drugs used to reduce blood serum cholesterol levels) increases the risk of side
Blood bike Blood bike A blood bike is a motorcycle used to courier urgent and emergency medical items including blood, X-rays, samples, drugs, and documentation between hospitals and other healthcare facilities. In the United Kingdom and Ireland a network of largely independent registered charities, whose members are all unpaid volunteers, provide blood bike courier services in collaboration with their local healthcare authorities. Many are represented through the Nationwide Association of Blood Bikes (NABB). Commercial blood bike courier services also exist. The first blood bike volunteer group to be established was the Emergency Volunteer Service (EVS), formed in 1962 in Surrey, England, by