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.
What are the possible side effects of lithium? Common side effects of lithium include nausea, loss of appetite, and mild diarrhea. These side effects will usually go away after the first few weeks as your body adjusts to the medication. Dizziness and hand tremors have also been reported. Increased production of urine and excessive thirst are two common side effects that are usually not serious