Drug Interaction Checker

Although an interaction is possible, these drugs are often used together. Side effects from Caffeine may get worse if you take Cimetidine. Too much Caffeine can cause effects like nausea, nervousness, or sleeplessness. You may need to limit your Caffeine intake. Common foods and beverages containing caffeine include coffee, teas, colas and chocolate. Many non-prescription drugs and diet aids may also contain caffeine.