Drug Info
- Brand Name: Norvasc
- Active Ingredient: Amlodipine Besylate
- Manufacturer: Pfizer Inc.
Norvasc and its active substance, Amlodipine Besylate
Amlodipine selectively blocks L-type calcium channels in arterial smooth muscle, causing vasodilation and a sustained fall in blood pressure. In the coronary circulation it improves flow and limits vasospasm, reducing angina frequency. Oral bioavailability is good; the long half-life (≈30–50 hours) supports once-daily dosing and smooth 24-hour coverage. The medicine is extensively metabolized in the liver (primarily via CYP3A4) and eliminated as metabolites. Because exposure can rise in hepatic impairment and in older adults, prescribers often start at the lowest dose and titrate cautiously. Common dose-related effects (ankle swelling, flushing) reflect peripheral vasodilation and typically ease with dose optimization and lifestyle measures.
Indications for use
Use is determined by your clinician according to regional labeling and individual assessment:
- Hypertension (adults and children ≥6 years) — first-line or add-on therapy
- Chronic stable angina and vasospastic (Prinzmetal) angina — reduction of attack frequency and improvement of exercise tolerance
- Coronary artery disease — blood-pressure control as part of secondary prevention plans
Treatment regimens and dosages
Use Norvasc exactly as prescribed. Representative oral regimens (the prescriber will individualize; titration usually every 1–2 weeks):
- Adults (hypertension/angina): start 5 mg once daily; usual range 5–10 mg once daily.
- Elderly, low-weight, or hepatic impairment: consider 2.5 mg once daily start with slow titration.
- Pediatrics (6–17 years, hypertension): 2.5–5 mg once daily (specialist-directed).
Swallow tablets with water, with or without food, at the same time each day. Do not change dose or stop without medical advice.
Recommendations for use
- Keep a home BP log (morning/evening readings, same device and position).
- Support treatment with salt moderation, regular activity, weight management, and limited alcohol.
- To reduce ankle swelling, consider evening leg elevation and regular walking; discuss dose adjustments if persistent.
- If angina is part of your plan, carry your short-acting nitrate as instructed for breakthrough symptoms.
Missed Dose
Take the missed tablet when remembered the same day. If it is almost time for the next dose, skip the missed one. Do not double. If several doses are missed, contact your clinician for guidance.
Precautions
- Symptomatic hypotension: dizziness, lightheadedness can occur—rise slowly from sitting/lying.
- Heart failure or severe aortic stenosis: specialist oversight is recommended.
- Hepatic impairment/older age: increased exposure—start low, go slow.
- Dental health: rare gingival overgrowth with chronic use—maintain oral hygiene and regular check-ups.
- Driving/alert tasks: assess your response when starting or increasing dose.
Use during pregnancy
Decisions are individualized. Alternative agents may be preferred initially, but amlodipine can be considered when benefits outweigh risks. During breastfeeding, only small amounts pass into milk; clinicians individualize plans and monitor infants for unusual sleepiness or poor feeding.
Possible side effects
- Common: ankle/foot edema, flushing, headache, dizziness, fatigue, palpitations, nausea.
- Less common: abdominal pain, rash, muscle cramps, gingival overgrowth.
- Serious—seek care: severe dizziness/fainting, chest pain that is new or worsening, signs of allergic reaction (wheeze, swelling of face/lips), marked shortness of breath or rapid weight gain (fluid retention).
Record timing and severity in your diary; this helps fine-tune dose and supportive measures.
Amlodipine: interaction with other drugs
- CYP3A4 inhibitors (e.g., clarithromycin, erythromycin, itraconazole, ritonavir/cobicistat) may increase exposure—dose review/monitoring may be needed.
- CYP3A4 inducers (e.g., rifampin, carbamazepine, phenytoin, St. John’s wort) may reduce effect—BP monitoring and adjustments may be required.
- Simvastatin: amlodipine can raise simvastatin levels; many guidelines limit simvastatin to ≤20 mg/day when combined.
- Other antihypertensives (ACE inhibitors, ARBs, diuretics, alpha-blockers) or PDE-5 inhibitors (e.g., sildenafil): additive BP-lowering—stand up slowly and report dizziness.
Always provide your clinician with a complete list of prescription/OTC medicines and supplements.
Analogs & Generics
Same active ingredient (amlodipine — international examples)
- Amlodipine tablets (Teva, Sandoz/Hexal, Accord/Actavis, Viatris/Mylan, Aurobindo/Lupin, Dr. Reddy’s) — common strengths 2.5 mg, 5 mg, 10 mg.
- Also available from us: Norvasc Generic (Amlodipine) — see current strengths in our catalog.
Drug analogs (different active ingredient, similar therapeutic purpose — clinician-selected)
- Nifedipine ER, Felodipine ER, Lercanidipine — other dihydropyridine calcium-channel blockers for hypertension/angina.
- Amlodipine + Valsartan (Exforge), Amlodipine + Atorvastatin (Caduet) — fixed combinations chosen for coexisting conditions.
- Lisinopril (ACE inhibitor), Losartan (ARB), Hydrochlorothiazide (thiazide) — commonly paired or used as alternatives depending on the treatment plan.
Storage
Store at 15–25°C in a dry place away from heat and sunlight. Keep tablets in the original packaging and out of the reach of children. Do not use after the expiry date printed on the pack.
Customer Experience – What to Expect
Many patients see steadier blood pressure within 1–2 weeks, with further gains by 4 weeks. Ankle swelling and flushing—if present—often lessen after dose adjustment or with simple measures (leg elevation, walking, limiting very salty meals). Patients with angina commonly report fewer attacks and improved exercise tolerance over the first month. Keeping a BP/symptom log helps your clinician confirm that the dose is effective and comfortable.
FAQ
How fast does Norvasc work?
You may notice improvement in 1–2 weeks; full effect can take up to 4 weeks.
Should I take it in the morning or evening?
Choose a time you can repeat every day. Consistency matters more than clock time.
Can I drink alcohol?
Moderation is advisable; alcohol can enhance BP-lowering and cause dizziness.
What if my ankles swell?
This is a known effect. Elevate legs, stay active, and discuss dose or regimen options with your clinician.
Can I take Norvasc with sildenafil?
There can be additive BP lowering. Use only under clinician advice and stand up slowly.
Do I need regular tests?
Your clinician will schedule periodic BP checks, symptom reviews, and occasionally labs—more often when doses change or medicines are added.
The best offer for Norvasc online on the market
Right now you can buy Norvasc in our online pharmacy. If you are looking for the best place to order Norvasc or other medicines containing amlodipine, then you have come to the right place.
Advantages of our pharmacy:
- Confidentiality. Most people prefer to keep cardiovascular treatment private. By ordering Norvasc online, you avoid unnecessary face-to-face discussions.
- Price. Buying Norvasc online is more beneficial than purchasing at a clinic or local pharmacy.
- Quantity. Doctors often issue a prescription for one or two packs. Our pharmacy allows you to buy the required number of Norvasc packs to ensure an adequate supply.
- Convenience. You make a purchase at a convenient time for you, without sacrificing service or security. You do not need to make an appointment or visit a clinic.
- Information. On our website, you can find details on dosage, side effects, safe use, and other necessary information.
We work hard to provide the best possible customer service and to ensure that our medications help control blood pressure and prevent angina safely and effectively under medical supervision.
