angiblock retard 20mg tablet - Nifedipine (20mg) medicine

Angiblock Retard 20mg Tablet - Uses, Price, Side Effects

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๐Ÿญ Alkem Laboratories Ltd ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 28, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
SaathiMed Expert Panel | Jun 28, 2026

What is angiblock retard 20mg tablet used for?

Angiblock Retard 20mg Tablet contains Nifedipine, a calcium channel blocker used to treat high blood pressure and angina (chest pain). It works by relaxing blood vessels, improving blood flow, and reducing the heart's workload. This helps lower blood pressure and prevent angina attacks.

  • Generic Name: Nifedipine
  • Manufacturer: Alkem Laboratories Ltd
  • Form: Allopathy
  • Pregnancy Category: A
  • Prescription Required: Yes
๐Ÿ’ก Did You Know? India is the largest provider of generic medicines globally, supplying over 50% of global vaccine demand.

๐Ÿ’Š angiblock retard 20mg tablet Uses & Benefits

Hypertension, chronic stable angina, vasospastic angina (Prinzmetal's angina), Raynaud's phenomenon

Off-label uses: Preterm labor (tocolysis), high-altitude pulmonary edema, anal fissures (topical)

๐Ÿ“‹ Drug Information

Generic Name(s)Nifedipine
Brand NameAngiblock 5mg Capsule
ManufacturerAlkem Laboratories Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassCARDIAC
Action ClassCalcium channel blockers- Dihydropyridines (DHP)
Route of AdministrationOral
StorageStore at room temperature (20-25ยฐC), protect from light and moisture
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionWell absorbed from the gastrointestinal tract after oral administration
DistributionDistributed widely throughout the body; crosses the blood-brain barrier and placenta
Protein Binding92-98% bound to plasma proteins
MetabolismExtensively metabolized in the liver via CYP3A4 to inactive metabolites
Half-Life2-5 hours (immediate release)
ExcretionPrimarily renal (70-80% as metabolites); 15% fecal
Bioavailability45-56% (due to first-pass metabolism)
Onset of Action20-30 minutes (immediate release)
Peak Plasma Time0.5-2 hours (immediate release)
Duration of Action6-8 hours (immediate release)

How It Works

Inhibits calcium ion influx across cardiac and smooth muscle cells, leading to vasodilation and reduced myocardial oxygen demand

Mechanism Steps

1Binds to L-type calcium channels in vascular smooth muscle and cardiac muscle
2Inhibits calcium influx into cells
3Reduces intracellular calcium concentration

๐Ÿ’ก How to Take angiblock retard 20mg tablet

Follow your doctor's prescription exactly.

Dosage Timeline

๐ŸŒ… Morning โœ… โ˜€๏ธ Afternoon โŒ ๐ŸŒ† Evening โœ… ๐ŸŒ™ Night โŒ

โš ๏ธ Side Effects of angiblock retard 20mg tablet

โœ… Common Side Effects

  • Peripheral edema
  • Headache
  • Dizziness
  • Flushing
  • Palpitations
  • Nausea
  • Constipation

๐Ÿšจ Serious Side Effects

  • Severe hypotension
  • Myocardial infarction
  • Heart failure exacerbation
  • Arrhythmias
  • Stevens-Johnson syndrome
  • Gingival hyperplasia

โš ๏ธ Rare Side Effects

  • Hepatotoxicity
  • Agranulocytosis
  • Leukopenia
  • Gynecomastia
  • Photosensitivity

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Beta-blockers Moderate Increased risk of hypotension and heart failure
Cimetidine Moderate Increased nifedipine levels
Grapefruit juice Major Increased nifedipine concentration and toxicity

๐Ÿšจ Major Interactions

  • CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin)
  • CYP3A4 inducers (e.g., rifampin, phenytoin)
  • Beta-blockers
  • Digoxin
  • Magnesium sulfate (IV)

โšก Moderate Interactions

  • Antihypertensives
  • Cimetidine
  • Grapefruit juice
  • Quinidine
  • Theophylline

โ„น๏ธ Minor Interactions

  • Antacids
  • Calcium supplements
  • Vitamin D

๐Ÿฝ๏ธ Food Interactions

Grapefruit juice increases bioavailability; avoid concurrent use

๐Ÿท Alcohol Interaction

May enhance hypotensive effect; avoid excessive alcohol

๐Ÿ›ก๏ธ Safety & Warnings

Liver
Low
Kidney
Low
Heart
Moderate
Pregnancy
Category A

๐Ÿšซ Contraindications

Hypersensitivity to nifedipine, cardiogenic shock, severe aortic stenosis, unstable angina (except under special circumstances), within 4 weeks of myocardial infarction

๐Ÿ“Š Monitoring Parameters

Blood pressure, heart rate, ECG, signs of peripheral edema, liver function tests

๐Ÿคฑ Lactation Safety

Excreted in breast milk; use with caution, monitor infant for hypotension

๐Ÿ’Š Overdose Management

Activated charcoal, gastric lavage, IV fluids, calcium gluconate or calcium chloride, vasopressors for hypotension, atropine for bradycardia

โฐ Missed Dose

Take as soon as remembered unless close to next dose; do not double dose

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 28, 2026

๐Ÿ”— View Profile

๐Ÿ”„ Substitutes for angiblock retard 20mg tablet

View All

Alternative brands with exact same active ingredient (Nifedipine (20mg)):

Medical Note: Always consult your doctor before switching medications.

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