Hydraulic fracturing was first used to recover natural gas and oil in 1947. Halliburton was the first company to use it commercially in 1949. Today, fracking is used to stimulate thousands of oil and gas wells each year, worldwide.ydraulic fracturing was first used to recover natural gas and oil in 1947. Halliburton was the first company to use it commercially in 1949. Today, fracking is used to stimulate thousands of oil and gas wells each year, worldwide.
Clarithromycin is primarily used to treat a number of bacterial infections including: pneumonia, C pneumonae, Helicobacter pylori and as an alternative to penicillin in strep throat.
You should begin to feel better after the first few days of treatment. For most infections, the recommended adult dose of clarithromycin is 250-500 milligrams (mg) of immediate release tablets twice daily, or 1,000 mg of extended-release tablets once daily for seven to 14 days.ome common side effects of clarithromycin include: 1  Diarrhea. 2  Nausea. 3  Stomach pain. 4  Vomiting. 5  Gas. 6  Heartburn. 7  Headache. 8  Change in taste.