“…Reichert cautions that ginger may raise the blood pressure, may amplify blood-thinning drug’s activities, and might be counter indicated in pregnancy. The Lawrence Review says overdoses may cause cardiac arrhythmias and CNS-depression. Due to ginger’s strong antiaggregant activity, “experts recommend it not be used by people with blood-clotting disorders. Many…chemotherapy patients experience periods when their blood platelet count drops dramatically… Doctors will warn patients to avoid aspirin when their platelet counts are low…We feel that patients should also avoid ginger when their platelet count drops, while continuing use of ginger for patients with normal platelet counts.” This was found on James A. Dukes’ web site (http.//www.ars-grin.gov/duke/syllabus/module 5.html).
“During the 2.5 year period of ginger consumption, no side effects were reported.” K.C. Srivastava.27
Joshua Backon alerts regular consumers that blood-clotting times after surgery might be affected. However, the work of the English researcher Lumb suggests that as long as two grams of in the first trimester. Ginger has historically been used as an emmenagogue and in large doses as an abortifacient, although in the latter case, the dosage is not clearly defined. If one weighs this historical application with research findings stating that ginger is statistically effective and safe for the nausea of pregnancy28. I feel that prudence and moderation should be exercised in this area.
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27. Srivastava, K.C., and Mustafa, T. “Ginger (Zingiber officinale) in rheumatism and musculoskeletal disorders.” Medical Hypotheses 39, no. 4(Dec. 1992): 342-48.
28. Fischer-Rasmussen, W., Kjaer, S.K., Dahl, C., and Asping, U. “Ginger treatment of hypermesis gravidarum.” European Journal of Obstetrics, Gynecology, and Reproductive Bbiology 38, no. 1 (Jan.1991): 19-24.