If you take amlodipine, there are several habits worth reconsidering—but you generally shouldn’t stop the medication or change its dose on your own. Amlodipine is usually taken long term, and stopping suddenly can be dangerous.
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8 habits to avoid or change
Stopping amlodipine when your blood pressure improves
Good readings may mean the medicine is working. Don’t discontinue it unless your prescriber tells you to.
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Drinking a lot of alcohol
Alcohol can increase the blood-pressure-lowering effect and make dizziness or low blood pressure more likely.
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Ignoring persistent ankle or foot swelling
Swollen ankles and feet are a common amlodipine side effect. If swelling bothers you or persists, tell your doctor rather than simply stopping the drug.
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Taking ibuprofen or other NSAIDs regularly without checking first
NSAIDs such as ibuprofen can interact with blood-pressure medicines and can also cause kidney and cardiovascular problems in some people. Ask a pharmacist or doctor before using them regularly.
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Taking supplements or herbal remedies without mentioning them
Some medicines and herbal products—including St John’s wort—can interact with amlodipine. Tell your healthcare professional about everything you take.
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Ignoring dizziness
Amlodipine can cause dizziness. If you’re dizzy or sleepy, avoid driving or operating machinery until you feel normal again.
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Forgetting doses or taking extra tablets to compensate
Take it as prescribed, ideally at the same time each day. If you miss a dose, don’t double the next one.
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Not checking your other medications
Some drugs—including certain antibiotics, antifungals and other blood-pressure medicines—can affect amlodipine. Amlodipine also interacts with simvastatin, for which dose limits may apply.
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One important correction: advice about grapefruit varies between drug references. The current NHS amlodipine guidance advises avoiding grapefruit/grapefruit juice because it may increase side effects, while older FDA pharmacokinetic data found no meaningful effect from a single 240-mL serving. If you regularly consume grapefruit, check with your pharmacist based on the exact product and your other medicines.
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If you develop fainting, severe dizziness, chest pain, difficulty breathing, or swelling of the face/tongue, seek urgent medical care.
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