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.
Anxiety medication side effects vary with the type of medication taken and range from minor issues such as light headedness, dry mouth and occasional nausea, to more severe problems such as excessive weight gain and suicidal thoughts. Common anxiety medication side effects for all classes of drugs can include: 1  Headaches. 2  Sleepiness. 3  Nausea. 4  Nervousness. 5  Stomach upset. 6  Sexual dysfunction. 7  Dizziness. 8  Light headedness. 9  Weight gain.