In 2000, PPA was taken off the drugstore shelves by the U.S. Food and Drug Administration (FDA) because of concerns about increased risk of strokes. At that time, PPA was removed from Dexatrim® products. The company replaced it with ephedra. When ephedra was banned by the FDA in ...
or those who have recently used other drugs should discuss possible interactions with their doctors or pharmacists. Pseudoephedrine sulfate may interact with beta blockers, ephedrine, and any herbal products that contain ephedra. It may also cause a life-threatening reaction if taken within 14 days ...
Ephedra Also known as ma huang, this herb has been used for thousands of years in China and India to treat coughs, headaches, and cold symptoms. More recently, it's been used to help people lose weight and get energy. But studies have found it may boost the chance of heart problems an...
A crystalline alkaloid drug C10H15NO obtained from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine. It causes constriction of the blood vessels and widening of the bronchial passages and is used in the form of its hydrochloride or sulfate to reliev...
摘要: Discusses the health effects of the over-the-counter drug diet Ephedra in the U.S. Plan of the Food and Drug Administration to ban Ephedra from drug stores; Investigation by the Health and Human Services on the effects of ephedra; Number of deaths associated to the drug....
when the FDA banned the sale of ephedra-containing drugs due to evidence of increased risk of heart attack, these formulations have replaced ephedra with a mixture of vitamins (such as thiamin, riboflavin, vitamin B-6, folic acid), an ephedra-like substance called synephrine that is found in...
While both of these substances are derived from theEphedra sinicaplant, ephedrine and pseudoephedrine are not identical in appearance. Once extracted from theEphedraplant, ephedrine looks like a wax or grainy powder that is white or clear in color. Pseudoephedrine is a fine, white powder that turn...
Yes, it is true that drugs and foods that affect thyroid iodine uptake can potentially alter thyroid function. For example, the use of the antiarrhythmic drug amiodarone can lead to increased thyroid iodine release, thus possibly inducing hypothyroidism, in about 10% of patients taking this medicat...
Ephedra Also known as ma huang, this herb has been used for thousands of years in China and India to treat coughs, headaches, and cold symptoms. More recently, it's been used to help people lose weight and get energy. But studies have found it may boost the chance of heart problems an...
a. Ephedra supplements are a safe and effective way to increase metabolism. b. An individual eating low-calorie or fat-free foods can increase the serving sizes. c. Low-carbohydrate diets have been shown safe oveIn which condition is a defi...