Levomethamphetamine, also known as l-methamphetamine, and levmetamfetamine, is an isomer of methamphetamine. Isomers have the same chemical formulas, but differ in structure. Levomethamphetamine does not have effects on the central nervous system...
Alcohol withdrawal symptoms can include nervousness, anxiety, irritability, depression, emotional instability, headache, nausea, insomnia, sweating and shaking. Serious withdrawal symptoms include delirium tremens, a state of confusion and...
Yohimbe is a tree that originates in western Africa. The bark of the tree contains a powerful chemical called yohimbine, which is used as a prescription medicine throughout the world, according to the National Center for Complementary and...
Vasoconstrictor drugs cause contraction of muscle cells in the walls of blood vessels, narrowing their internal diameter and raising blood pressure. This effect makes these medications useful for the treatment of low blood pressure, typically in...
A patient suffering from heart failure, a condition that affects one in every 100 people, means that the heart cannot pump enough blood to keep up with the needs of the body, according to the Merck Manual. Heart failure can result from conditions...
Norepinephrine and epinephrine--also known as noradrenalin and adrenaline--are chemical hormones located in the adrenal glands. Norepinephrine and epinephrine are chemicals that dictate metabolic responses within the body, such as oxygen release...
Flomax, or tamsulosin is a medication in a classification of drugs known as alpha-adrenergic blockers. According to Drugs.com, Flomax relaxes your veins and arteries so that blood can more easily pass through them and relaxes the muscles in the...
When breathing becomes impaired, bronchodilators may relieve the symptoms of breathing difficulties. According to the Cleveland Clinic, bronchospasms result from narrowing of the bronchial airway caused by contraction of smooth muscle. Infections,...
Beta blockers, or beta-adrenergic blocking drugs, are used to treat high blood pressure or hypertension, congestive heart failure, abnormal heart rhythms or arrhythmias and chest pain or angina. The Heart and Stroke Foundation mentions that this...
Beta-blockers, or beta-adrenergic blockers, are a class of drugs that are used to treat a variety of conditions, including high blood pressure, glaucoma and migraines. There are several types of beta-blockers -- some affect the heart, while others...
Low potassium levels in the bloodstream cause symptoms such as weak muscles, abdominal pain, constipation and bloating. In its severe form, it can lead to cardiac arrhythmia and paralysis of the muscles. Low potassium levels, also known as...
Beta blocker are also called beta-adrenergic blocking drugs and are prescribed to treat high blood pressure, heart failure, heart arrythmias and chest pain. Beta blocker medications are also used to prevent additional heart attacks in patients...
Bronchospasm is a sudden constriction in the terminal airways of the lungs, resulting from the contraction of smooth muscles in the walls of the bronchi. The narrowing of the bronchi is the major pathological feature that constitutes an asthma...
Stress incontinence causes those affected, primarily women, to lose urine involuntarily during exercise, including running. Holding and controlling urine depends on a combination of factors --- chiefly, a normally functioning urinary tract,...
Stress incontinence is marked by the unintentional loss or urine. Physical movement or activities, such as coughing, sneezing, heavy lifting or any movement that puts stress on the bladder, can trigger the problem. Stress incontinence is more...
Attention deficit hyperactivity disorder, or ADHD, is a psychiatric disorder characterized by inattention, hyperactivity and impulsivity. It is normally treated with stimulants such as methylphenidate or amphetamines, but some patients are...
Hair loss is a common and distressing condition. A variety of factors can contribute to hair loss, including an array of medications taken for diverse medical reasons, ranging from contraception to cancer. The onset of hair loss shortly after...
Asthma is a chronic respiratory condition that affects over 23.0 million Americans as of 2008, according to the Centers for Disease Control and Prevention (CDC). The symptoms of asthma include difficulty breathing, coughing, wheezing and a tight...
Beta blockers are drugs that alter adrenergic response to catecholamines such as epinepherine and norepinephrine, by inhibiting beta adrenergic receptors; these receptors are found in various concentrations and are prevalent in the heart and...
Beta-adrenergic receptor blocker drugs (usually referred to simply as "beta blockers") are used for treating high blood pressure and migraines, according to the Mayo Clinic. They have also come to be widely used by performers, particularly in the...
Asthma---a respiratory disease that causes inflammation in the lungs---can be triggered by a variety of things including smoke, viruses and allergens. Some of these same triggers can be more threatening to children with asthma than adults because...
Asthma is a chronic respiratory condition characterized by narrowing and inflammation of the airways. Symptoms of asthma include wheezing, difficulty in breathing and chest tightness. An asthma attack usually occurs in response to a trigger that...
If you are a fairly healthy individual, you probably go about your daily activities without having to pay much attention to your muscle or nerve function. Yet the delicate process through which your muscles and nerves work requires specific levels...
More than half of Americans over 60 years old have high blood pressure, or hypertension, a condition that greatly contributes to serious health problems, including stroke, heart attack and kidney failure. While a better diet and more activity may...
The prostate refers to a walnut-sized gland that makes up part of the male reproductive system. Specifically, it surrounds the male urethra where urine ultimately exits the bladder. Sometimes, the prostate can become enlarged and obstruct the...
Incontinence in young adults is often a temporary condition that's triggered by medications or alcohol. The condition, when caused by a urinary tract obstruction, can also be more serious. In the United States, nearly 25 million people are...
Plaque is a substance made up of fat, cholesterol and calcium that builds up in the coronary arteries that supply the heart with oxygen-rich blood, according to the National Heart, Blood and Lung Institute. A buildup of plaque increases risk of...
A pheochromocytoma is an adrenal gland tumor located in the center (medulla) of the adrenal gland. It causes the adrenal gland to produce too much adrenaline (epinephrine) and noradrenaline (norepinephrine). These tumors are usually benign, but...
Whether you know them as beta blockers or beta-adrenergic blocking agents, this class of drugs is used to treat conditions ranging from high blood pressure to glaucoma. According to the Mayo Clinic, some beta blockers have a larger effect on the...
