Tweet. There are no known adverse reactions between Plavix (Clopidogrel) and eating grapefruit, or drinking grapefruit juice. Furthermore, there is no sufficient evidence that illustrates grapefruit juice, or the fruit itself would interfere with the effectiveness of Plavix.
Other, more minor side effects include constipation, headache, dry mouth and insomnia (because the chemicals in these drugs also influence sleep patterns). Herbal diet pills, even though they're all natural, can have potentially dangerous side effects depending upon their ingredients.
1 It may cause some women to experience headaches and mood swings. 2  It requires keeping track of the number of days taken. 3  It may cause breast tenderness, nausea, headache, weight gain. 4  It may cause changes in your menstruation cycle. 5  It is not common, but some women who take the pill develop high blood pressure.