Adrenaline (epinephrine) and noradrenaline (norepinephrine) are hormones and neurotransmitters that play essential roles in the body’s response to stress and danger. 1. Adrenaline (Epinephrine): – Definition: Adrenaline is a hormone produced by the adrenal glands in response to stress, excitement, or danger. It helps prepare the body for physical exertion or intense situations by … Read more
Phenylephrine is a sympathomimetic drug that belongs to the class of alpha-adrenergic agonists. Phenylephrine is a common nasal decongestant that people use to alleviate nasal congestion associated with colds, allergies, or sinusitis. Additionally, it may be employed to raise blood pressure in cases of acute hypotension. It works by stimulating alpha-adrenergic receptors, resulting in vasoconstriction … Read more
Mydriatics are a class of drugs used in ophthalmology to dilate the pupil. These drugs work by relaxing the iris sphincter muscle, which causes the pupil to enlarge. Mydriatics are primarily used for diagnostic and therapeutic purposes, such as eye examinations and certain eye surgeries. Below is a detailed overview of mydriatics 1. Definition Mydriatics … Read more
Adrenergic drugs, also known as adrenergic agonists or sympathomimetic drugs, are medications that mimic or enhance the effects of norepinephrine and epinephrine, which are neurotransmitters and hormones that activate adrenergic receptors in the body. Adrenergic receptors are part of the sympathetic nervous system and play a role in the “fight or flight” response. These drugs … Read more
