asthma

What is salmeterol, and how does it work (mechanism of action)? Asthma is a breathing problem involving narrowing of the airways. Airways are breathing passages that allow air to move in and out of the lungs. In patients with asthma, airways can be narrowed by accumulation of mucus, spasm of the muscles that surround these …

What is montelukast, and how does it work (mechanism of action)? Montelukast is an oral leukotriene receptor antagonist that is used for the treatment of asthma and seasonal allergic rhinitis (hay fever). Leukotrienes are a group of naturally occurring chemicals in the body that promote inflammation in asthma and seasonal allergic rhinitis and in other diseases in which inflammation is …

What is oral ephedrine? Ephedrine directly stimulates alpha and beta-adrenergic receptors and increases the release of norepinephrine. Its actions include relaxation of bronchioles, increased heart rate and contractility, and increased blood pressure. It also causes blood vessels in the nasal passages to shrink (vasoconstrict). Vasoconstriction reduces nasal congestion by preventing fluid from draining from blood vessels into the lining of …

What is ipratropium bromide inhaler, and how does it work (mechanism of action)? Ipratropium bromide is a bronchodilator that dilates (enlarges) airways (bronchi) in the lungs. It is used in treating, symptoms of asthma, colds, allergies, and chronic obstructive pulmonary disease (COPD) due to emphysema or chronic bronchitis. Ipratropium blocks the effect of acetylcholine on airways (bronchi) and nasal passages. …

What is hydrocortisone, oral, and how does it work (mechanism of action)? Hydrocortisone is a naturally-occurring corticosteroid produced by the adrenal glands. Corticosteroids have potent anti-inflammatory properties and are used in a wide variety of inflammatory conditions such as: arthritis, colitis, asthma, bronchitis, certain skin rashes, and allergic or inflammatory conditions of the nose and eyes. There are numerous preparations …

What is fluticasone propionate oral inhaler, and how does it work (mechanism of action)? Fluticasone propionate is a man-made steroid of the glucocorticoid family which is related to the naturally-occurring steroid hormone, cortisol or hydrocortisone, produced by the adrenal glands. Glucocorticoid steroids have potent anti-inflammatory actions. When used as an inhaler, fluticasone travels to the airways in the lung. In …

What is budesonide inhaler, and how does it work (mechanism of action)? Budesonide is a man-made glucocorticoid steroid related to the naturally-occurring hormone, cortisol or hydrocortisone which is produced in the adrenal glands. It is used for treating asthma by inhalation. Glucocorticoid steroids such as cortisol or budesonide have potent anti-inflammatory actions that reduces inflammation and hyper-reactivity (spasm) of the …

What is beclomethasone dipropionate inhaler, and how does it work? Beclomethasone is a synthetic steroid drug of the glucocorticoid family. The naturally-occurring glucocorticoid (cortisol or hydrocortisone) is produced in the adrenal glands. Glucocorticoid steroids have potent anti-inflammatory actions. When used as an inhaler, the medication goes directly into the lungs, and very little finds its way into the rest of …

What is bitolterol mesylate, and how does it work (mechanism of action)? Bitolterol is a bronchodilator used in the treatment of asthma. It is similar to albuterol (Ventolin). Asthma is a disorder of breathing in which there is narrowing of the airways that carry air to the lungs including the bronchi. This narrowing is caused by muscle spasm and inflammation …

What is beclomethasone dipropionate nasal inhaler-spray, and how does it work (mechanism of action)? Beclomethasone is a synthetic steroid of the glucocorticoid family. (The naturally-occurring glucocorticoid that is produced by the adrenal gland is cortisol or hydrocortisone.) Glucocorticoid steroids have potent anti-inflammatory actions. When used as a nasal inhaler or spray, the medication goes directly to the lining of the …