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Diltiazem

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30mg360 pills£0.63
£225.67
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180mg180 pills£2.11
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This is a patient information page to help you understand tildiem (Diltiazem). It can be used to support discussions with your healthcare professional.

What this medication is — tildiem (Diltiazem) at a glance

This page explains tildiem and how it helps.

It is a calcium channel blocker used to lower blood pressure, relieve chest pain, and help heart rhythm in people.

Tildiem comes in different tablet forms and strengths.

Your pharmacist or clinician will tell you which product to take, and the duration depends on your condition and response.

What conditions tildiem treats — symptoms you may have noticed

Diltiazem treats high blood pressure and heart problems.

It can help prevent chest pain from angina and slow rapid heartbeats from atrial arrhythmias over time in daily life.

Diltiazem may also be used for rhythm problems.

Your clinician will decide if it is appropriate for you, based on blood pressure and heart rate and other factors.

How the medicine works — mechanism in plain language

Diltiazem relaxes blood vessels and slows heart rate.

That makes it easier for the heart to pump, which lowers blood pressure and can ease chest pain during activity.

It blocks certain channels in heart muscle cells.

As a result, the heart beats more steadily and the demand on the heart's oxygen supply may reduce during exertion.

How to take it — dosage guidance, timing, and meals

Always take exactly as prescribed by your clinician.

Diltiazem comes in different forms and timing; some are daily while others are taken as needed under supervision and guidance.

Swallow tablets with a full glass of water.

Do not crush or chew extended-release forms unless your pharmacist says it is safe to modify the product for safety.

Who should not take tildiem — contraindications

Do not take if allergic to diltiazem medication.

People with certain heart blocks, very slow heart rate, or severe heart failure should not start without medical advice consultation.

Tell your clinician if you have liver problems.

Also avoid starting if you are prescribed certain other medicines that interact badly with diltiazem; check with your pharmacist first.

Warnings and precautions during treatment

Tell your clinician about other medicines you use.

Some medicines can raise heart rate or slow it too much when combined with diltiazem, including certain antiarrhythmics.

Watch for swelling, dizziness, or unusual fatigue anywhere.

If you notice chest pain, fainting, or a very slow heartbeat, stop activity and seek urgent medical help right away.

Possible side effects — what to expect

Common side effects include flushing and feeling lightheaded.

Some people may get swollen ankles, slowed heart rate, constipation, or gum swelling while taking tildiem for longer periods sometimes.

Less common effects may include headaches or nausea.

If you experience severe side effects, such as fainting, severe dizziness, or signs of allergy, contact a clinician promptly today.

Interactions with other medicines, food, or supplements

Tell your pharmacist about any supplements you take.

Some medicines interact with diltiazem by changing heart rate or blood pressure, including certain antiarrhythmics, antibiotics, or antifungals you take.

Avoid grapefruit products unless advised otherwise by clinicians.

Always check with a pharmacist before starting herbal remedies, as some may alter diltiazem's effect or safety in the long term.

Use during pregnancy and breastfeeding

Pregnancy and breastfeeding require careful medical advice always.

Diltiazem may be used under specialist supervision when benefits justify use, but risks to the baby should be discussed fully.

Do not start or stop without doctor guidance.

If you are planning pregnancy or become pregnant, inform your prescriber so they can review alternatives that fit your goals.

Frequently asked questions about tildiem (Diltiazem)

Here are common questions patients ask about tildiem.

If you are unsure, consult the official leaflet or your pharmacist for detailed safety information and personal advice tailored guidance.

Dosing specifics should come from your clinician only.

Answers below cover timing, missed doses, interactions, duration of treatment, when to seek help, and safety signals for your awareness.

Can I expect immediate effects after starting tildiem?

Some people notice changes within days, others later.

What happens if I miss a dose?

If you miss a dose, do not double up; take it when you remember unless near the next dose time.

Should I avoid certain foods or drinks?

Grapefruit can interact; limit or avoid it altogether.

How long will I need to take tildiem?

Duration depends on your condition and response; some people use it long term under supervision, while others may switch plans.

Can I drink alcohol while taking tildiem?

Alcohol can lower blood pressure further; proceed cautiously.

Is it safe to drive or operate machinery?

Dizziness or lightheadedness from tildiem may affect concentration; avoid driving or heavy machinery until you know your response to it.

What should I do if I notice swelling?

Talk to your pharmacist or doctor promptly please.

Can I stop taking tildiem suddenly?

Stopping abruptly can cause a return of symptoms or a rapid heart rhythm; consult your clinician before stopping the treatment.

Does tildiem interact with blood pressure or diabetes medicines?

Some interactions exist; always review medicines with professionals.

Can tildiem be used in older adults?

Age can affect responses and side effects; your clinician will adjust plans while monitoring pressure, heart rate, and kidney function.

What if I am pregnant or breastfeeding?

Consult your clinician; safety varies by situation please.

Where to find more information — leaflets and healthcare guidance

Always read the official patient information leaflet supplied.

Ask your pharmacist for printed material or the NHS information sheets that accompany tildiem; they explain safety and storage guidance.

Speak to your GP or pharmacist with concerns.

If symptoms persist or worsen, seek medical help promptly and discuss alternatives or different medicines that fit your health goals.

✈️

Airmail

14–21 days. Free from £148.97 .

Express delivery

5–9 days. £22.35

🔒

Crypto discount

−10% when paying with cryptocurrency.

🔄

Reorder discount

−10% on all repeat orders.

📦 Packaging and discretion

All orders are packed in neutral, unbranded boxes with no product name on the outside.

James Cartwright
Medically reviewed by
James Cartwright
GPhC-Registered Pharmacist; Chief Pharmacist & Head of Pharmacy