Side Effects and Drug Interactions of Green Tea | Urdu/ Hindi

Green tea - side effects and Drug Interactions Green tea catechin, EGCG (epigallocatechin gallate), binds with iron. Scientists have also found that caffeine and tannins in green tea can reduce the levels of folic acid. Folic acid, a water-soluble B-vitamin, prevents miscarriages and birth defects like spina bifida. Consuming more than 300 mg of caffeine per day increases the risk of hypertension during pregnancy  Another possible bad effect of green tea is sleep problems. This problem can be avoided by limiting the consumption of this tea. Drinking this tea late in the day can also cause this effect. One of the most prominent causes of the condition is the amount of caffeine that activates the nervous system and prevents one’s sleep. More importantly, pregnant and lactating women should limit their intake of this tea as it can pass into breast milk and cause insomnia in lactating babies. Caffeine is a CNS (Central Nervous System) stimulator. effects. Caffeine is broken down in the body and flushed out. But certain drugs like Cimetidine, antibiotics like Ciprofloxacin, enoxacin (Penetrex),  trovafloxacin (Trovan), sparfloxacin (Zagam), norfloxacin (Chibroxin, Noroxin), grepafloxacin (Raxar), Fluconazole, anesthetic drugs like Midazolam, and birth control pills inhibit caffeine breakdown (8). As a result, caffeine continues to be in the body, causing jitters, restlessness, increased heart rate, and, in some cases, arrhythmia Avoid drinking green tea if; you are pregnant. you are on Warfarin treatment (or are taking any other medication). you are experiencing abdominal issues. you have compromised bladder control/high risk of bladder cancer you are planning to sleep within an hour. The average amount of caffeine in an 8-oz (230-ml) serving of green tea is around 50 mg. However, this can vary. The actual amount can be anywhere between 50 and 100 mg per 8-oz serving. It is best to limit your green tea consumption to 2-3 cups per day. Also, do not exceed the 200 – 300 mg caffeine intake. You may consume decaffeinated green tea but stick to the standard dosage of 2-3 cups of green tea per day. Singhal, K., Raj, N., Gupta, K., & Singh, S. (2017). Probable benefits of green tea with genetic implications. Journal of oral and maxillofacial pathology : JOMFP, 21(1), 107–114. https://doi.org/10.4103/0973-029X.203758 Harder, S., Fuhr, U., Staib, A. H., & Wolff, T. (1989). Ciprofloxacin-caffeine: a drug interaction established using in vivo and in vitro investigations. The American journal of medicine, 87(5), S89-S91. Hägg, S., Spigset, O., Mjörndal, T., & Dahlqvist, R. (2000). Effect of caffeine on clozapine pharmacokinetics in healthy volunteers. British journal of clinical pharmacology, 49(1), 59–63. https://doi.org/10.1046/j.1365-2125.2000.00111.x Taylor, J. R., & Wilt, V. M. (1999). Probable antagonism of warfarin by green tea. Annals of Pharmacotherapy, 33(4), 426-428. van der Hoeven T, Browne JL, Uiterwaal CSPM, van der Ent CK, Grobbee DE, Dalmeijer GW. Antenatal coffee and tea consumption and the effect on birth outcome and hypertensive pregnancy disorders. PLoS One. 2017;12(5):e0177619. Published 2017 May 16. doi:10.1371/journal.pone.0177619 https://news.psu.edu/story/396431/2016/03/08/research/green-tea-and-iron-bad-combination #drTahirAli

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