One to taken TWICE daily FOR FEET
What is Nifedipine 10 mg Modified-Release?
Nifedipine is a medication belonging to a class of drugs called calcium channel blockers. Specifically, it is a dihydropyridine. The 10 mg modified-release (MR) tablet is designed to release the medication slowly into the bloodstream over several hours, rather than all at once, providing a steady effect and reducing the risk of sudden blood pressure drops.
It is primarily used for:
Hypertension (High Blood Pressure): By relaxing and widening the blood vessels, it makes it easier for the heart to pump blood around the body.
Angina Pectoris (Chest Pain): It improves blood flow to the heart and reduces the heart's workload, helping to prevent (though not treat an immediate) angina attack.
Raynaud's Phenomenon: Sometimes used off-label to prevent painful spasms of the blood vessels in fingers and toes.
Common Side Effects
Most side effects are related to the way the drug widens blood vessels (vasodilation) and are usually mild:
Peripheral Edema: Swelling of the ankles and feet is very common.
Headaches: Often occurs at the start of treatment as the body adjusts.
Flushing: A feeling of warmth or redness in the face and neck.
Dizziness: Especially when standing up quickly.
Serious Side Effects & Precautions
Tachycardia: Some patients may experience a rapid or pounding heartbeat.
Severe Hypotension: Very low blood pressure, which can cause fainting.
Liver Function: In rare cases, it can affect liver enzymes; yellowing of the skin or eyes (jaundice) requires immediate medical attention.
Crucial Interactions
The Grapefruit Rule: You must avoid grapefruit and grapefruit juice while taking Nifedipine. Grapefruit interferes with the enzyme that breaks down the drug, which can lead to dangerously high levels of the medication in your system.
Modified-Release Warning: The tablets must be swallowed whole. Do not crush, chew, or break them, as this destroys the "slow-release" mechanism and could release the entire dose at once, significantly increasing the risk of adverse effects.
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