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Active pharmaceutical ingredient

Diltiazem Hydrochloride

Diltiazem Hydrochloride is a calcium channel blocker widely utilized in the management of cardiovascular conditions, particularly hypertension and angina.

Compounded to order
Prescription required
Warwick, Rhode Island

About this ingredient

Diltiazem Hydrochloride is a calcium channel blocker widely used in the management of cardiovascular conditions, particularly hypertension and angina pectoris. By inhibiting the influx of calcium ions into cardiac and smooth muscle cells, Diltiazem Hydrochloride effectively relaxes blood vessels, leading to a decrease in blood pressure and an improvement in oxygen delivery to the heart muscle.

This mechanism of action makes it a valuable component in compounded formulations aimed at optimizing cardiovascular health. Diltiazem Hydrochloride is also utilized in the treatment of certain arrhythmias, as it can help regulate heart rate by slowing down the conduction of electrical impulses through the atrioventricular node.

Its versatility in addressing various cardiovascular issues makes it a preferred choice for personalized medicine approaches. In compounding pharmacies, Diltiazem Hydrochloride can be tailored to meet specific patient needs, offering customized dosages and delivery methods that enhance therapeutic outcomes.

Moreover, its pharmacokinetic profile allows for sustained release formulations, providing consistent therapeutic levels and improving patient adherence. As a well-tolerated medication, Diltiazem Hydrochloride is often prescribed when standard treatments are insufficient or when patients require a more individualized therapeutic strategy.

Available formulations

Compounded formulations containing this ingredient

Each of these is compounded to order at our Warwick, Rhode Island pharmacy and requires a prescription.

Compounding formulary

Formulas we compound with this ingredient

A sample of preparations from our formulary. Strengths and dose forms are customised to the prescription.

Common questions

Frequently asked questions

What is diltiazem rectal ointment?

It is a compounded, prescription medication applied to the anal area. Diltiazem is a calcium channel blocker, and used this way it relaxes the ring of muscle around the anus. Providers most often prescribe it for anal fissures, small tears in the skin of the anal canal that cause sharp pain and bleeding with bowel movements. Bayview compounds it at 2% strength as an ointment and as a gel.

How long does diltiazem take to work on a fissure?

Pain often eases within the first week or two, but healing takes longer. Chronic fissures are usually treated for six to eight weeks, and prescribers generally direct patients to finish the full course even after the pain improves, since stopping early is a common reason a fissure returns. Supportive care such as fiber, fluids, and sitz baths is usually part of the plan. If your symptoms are not improving after several weeks of use, contact your provider.

How much does compounded diltiazem cost?

Compounded diltiazem starts at $92 for 30 g. The price varies with the base, the quantity (30, 45, or 60 g), and whether the prescription is a plain 2% preparation or a combination with lidocaine. Compounded preparations are cash-priced and are generally eligible for HSA and FSA cards. Call us at 401-284-4505 with the preparation and quantity your prescriber ordered and we will quote it before we make it.

Is there an over-the-counter diltiazem cream?

No. Diltiazem is prescription-only in every form. Oral diltiazem tablets and capsules are FDA-approved for blood pressure and chest pain, but there is no FDA-approved topical or rectal diltiazem product in the United States and nothing equivalent is sold over the counter. The 2% ointment and gel used for anal fissures exist only as compounded preparations, and a valid prescription is required.

How does diltiazem compare with nitroglycerin or nifedipine for an anal fissure?

All three are applied to the anal area, and all three are compounded, since none is available as an FDA-approved topical product in the United States. The 2023 clinical practice guideline from the American Society of Colon and Rectal Surgeons reports that topical calcium channel blockers such as diltiazem and nifedipine heal chronic fissures about as well as topical nitroglycerin while causing fewer side effects such as headache, and that either class may be used first-line. Which one suits a particular person is your prescriber's decision.

Related

Related active ingredients

Other salt forms of this molecule, and ingredients commonly compounded alongside it.

Important information

This page describes an active pharmaceutical ingredient, not a finished drug product. Bayview Pharmacy compounds preparations containing it only on a prescriber's order for an individual patient.

Compounded preparations are not FDA-approved, and the FDA has not evaluated them for safety, effectiveness, or manufacturing quality. Nothing on this page is a claim that any preparation is effective for any condition.

A valid prescription is required. Availability depends on Bayview's licensure in your state. This page is general information, not medical advice — discuss your situation with a licensed healthcare provider.

Talk to a compounding pharmacist

Our pharmacists work with prescribers to build preparations around a patient's dose, form and tolerances. Ask us what is possible with this ingredient.