Nifedipine er
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You can take short acting and long acting nifedipine with or without food. Do not break, crush, chew or open up the capsules unless your doctor or pharmacist has said you can. Swallow the capsules or tablets whole with a drink of water. You can take nifedipine at any time of day, but try to make sure it's around the same time or times every day. Nifedipine is very sensitive to light and won't work properly if it's left out of the packet too long. Take your nifedipine capsule or tablet as soon as you've taken it out of the blister pack. long acting capsules or tablets: 40mg twice a day or 90mg once a day (total of 80mg or 90mg a day).short acting capsules or liquid: 20mg 3 times a day (total of 60mg a day).The usual maximum doses of nifedipine are: If you're bothered by side effects, you may need to stay on a lower dose.
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If the starting dose is not working well enough (your blood pressure does not come down enough, or you are still getting symptoms), you may need to increase your dose.
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It will depend on how old your child is and how much they weigh. If a doctor prescribes it for your child, the dose will usually be lower.