Norepinephrine is a neurotransmitter that is secreted in response to stress. Learn about what norepinephrine is and how it affects the body. Additionally, discover what drug contains norepinephrine and if it is safe to use.orepinephrine is a chemical released from the sympathetic nervous system in response to stress. It is classified as a neurotransmitter, a chemical that is released from neurons.
Keflex is a prescription medication used to treat certain bacterial infections. Keflex treats bacterial infections of the lung (pneumonia), ear, skin, bone, and urinary tract.Keflex and other antibiotics will not treat viral infections such as the flu or the common cold.eflex is a prescription medication used to treat bacterial infections. Keflex belongs to a group of drugs called cephalosporin antibiotics, which kill the bacteria that lead to infections.
Categories Antibiotics Cephalosporins. Keflex containts active substance called Cephalexin. Mechanism of action of this medicine is based on interfering with synthesis of bacteria cell wall, which leads to elimination of bacteria. It is one of the most commonly used medicine in the treatment of infections, such as: 1  Upper and lower respiratory tract infections (sinusitis, tonsillitis, pharyngitis, laryngitis and pneumonia); 2  Middle ear inflammation (so-called otitis media); 3  Skin and soft tissue infections.  Kidney 1  infections. Bladder infections.