In the sympathetic nervous system norepinephrine is used as a neurotransmitter by sympathetic ganglia located near the spinal cord or in the abdomen, and is also released directly into the bloodstream by the adrenal glands.orepinephrine itself is widely used as an injectable drug for the treatment of critically low blood pressure. Beta blockers, which counter some of the effects of norepinephrine, are frequently used to treat glaucoma, migraine, and a range of cardiovascular problems.
The usual adult dose is 250 mg every 6 hours. For the following infections, a dosage of 500 mg may be administered every 12 hours: streptococcal pharyngitis, skin and skin structure infections, and uncomplicated cystitis in patients over 15 years of age. Cystitis therapy should be continued for 7 to 14 days.
For those suffering from rheumatoid arthritis, the usual indicated starting dose is 100 mg 2 times a day. The dose can be increased to 200 mg 2 times per day, only if it was recommended by your doctor. Celebrex dosage for elderly (over 65 years) it begins with a dose of 200 mg per day.If needed, it can be administered 400 mg per day. Particular caution is recommended for elderly with weight below 50 kg.he dose can be increased to 200 mg 2 times per day, only if it was recommended by your doctor. Celebrex dosage for elderly (over 65 years) it begins with a dose of 200 mg per day. If needed, it can be administered 400 mg per day.