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Drinking green tea may lessen the effects of the medication nadolol used to treat high blood pressure, an early phase of a new study has suggested. Nadolol is a type of blood pressure lowering drug known as a beta blocker, used to treat both high blood pressure and angina, the chest pain associated with heart disease. Beta blockers, in general, work by reducing the heart rate and the heart's workload and reducing the output of blood, thus lowering pressure. When researchers tested blood levels of the drug in a group of patients on nadolol, they found drug levels to be 76 percent lower in the group that drank green tea compared to the water-drinking group. Researchers for the new study say ingredients in the green tea are thought to interfere with the absorption of the medication in the intestine. This may well means that patients treated with nadolol should avoid taking green tea. Individuals who take nadolol and also consume green tea should be aware of this potential interaction and discuss this with their physician. Nadolol isn't the only drug that interacts with food or beverages. For instance, grapefruit and grapefruit juices can interact with medicines, such as cholesterol-lowering medicines and some blood pressure drugs (source U.S. Food and Drug Administration). The results may apply only to green tea and nadolol. As yet, it is not clear that those receiving other heart medications and drinking green tea need to be concerned, or that these findings apply to black tea. They published the findings online Jan. 13 in Clinical Pharmacology & Therapeutics. more
Jan 23
Yes indeed! Green tea and fruit teas as well as normal black tea are available in sachets almost everywhere in India. Although I am inclined to believe in line with Mr Durga Prasad that green tea in "leaves" may not be so readily available, except in special tea shops. If I remember right, there is a special tea shop in the Sundar Nagar market........memory is sometimes a wee bit hazy at my age.......hope you understand! more
Jan 18
