Diproteverine

Chemical structure of Diproteverine

Diproteverine is a pharmaceutical compound that belongs to the class of calcium channel blockers. It is primarily used in the treatment of cardiovascular diseases, particularly for managing hypertension and angina pectoris.

Pharmacology

Diproteverine functions by inhibiting the influx of calcium ions through voltage-gated calcium channels in the smooth muscle cells of the vascular system. This action leads to the relaxation of vascular smooth muscle, resulting in the dilation of blood vessels, decreased peripheral resistance, and ultimately, a reduction in blood pressure.

Mechanism of Action

The mechanism of action of Diproteverine involves the blockade of L-type calcium channels, which are responsible for the contraction of cardiac and smooth muscle. By preventing calcium entry, Diproteverine reduces the contractility of the heart and dilates the arteries, improving blood flow and reducing the workload on the heart.

Clinical Uses

Diproteverine is indicated for the treatment of:

• Hypertension: By lowering blood pressure, it helps prevent complications such as stroke and myocardial infarction.
• Angina pectoris: It alleviates chest pain by improving blood flow to the heart muscle.

Side Effects

Common side effects of Diproteverine may include:

• Dizziness
• Headache
• Flushing
• Peripheral edema

Less common but more serious side effects can include:

• Hypotension
• Bradycardia
• Heart failure

Contraindications

Diproteverine is contraindicated in patients with:

• Severe hypotension
• Advanced heart block
• Known hypersensitivity to the drug

Drug Interactions

Diproteverine may interact with other medications such as:

• Beta-blockers: May enhance the hypotensive effect.
• Digoxin: May increase digoxin levels, leading to toxicity.
• CYP3A4 inhibitors: May increase the plasma concentration of Diproteverine.

Related pages

• Calcium channel blocker
• Hypertension
• Angina pectoris
• Cardiovascular disease