The elderly are more sensitive to side effects of calcium channel blockers, like dizziness and sudden drops in blood pressure . To avoid dizziness, stand up slowly when you have been sitting or lying down. Two of these drugs are used in children. Verapamil is used intravenously for children older than one year. Oral use is not well studied or recommended.
Nifedipine is used intravenously as well as orally in children.
Side-effects are similar to those experienced by adults. These medications have not been studied extensively in pregnant women. Ask your health care provider for advice before using it if you are pregnant or trying to get pregnant. These medications can make your skin more likely to sunburn . Avoid too much sun.