Istin is a high-potency, original brand cardiovascular medication specifically engineered to manage hypertension (high blood pressure) and chronic stable angina. It contains Amlodipine Besylate, a foundational Calcium Channel Blocker (CCB). Istin works by inhibiting the influx of calcium ions into the vascular smooth muscle and cardiac muscle cells. This action relaxes the walls of the blood vessels (vasodilation), which lowers peripheral resistance and allows the heart to pump blood more efficiently with less effort.
Product Type: Calcium Channel Blocker (Dihydropyridine)
Active Ingredient: Amlodipine (as Besylate) — (10mg)
Manufacturer: Pfizer (Original Brand)
Pack Size: 28 or 30 Tablets (Blister Pack)
Route: Oral
Availability: Strictly Prescription Required (POM) — Requires regular BP monitoring
Suitable For: Adults with hypertension or coronary artery disease
As the maximum standard dose of Amlodipine, Istin 10mg is a primary clinical choice for robust cardiovascular management:
Hypertension: Reducing high blood pressure to minimize the risk of stroke, heart attack, and renal failure.
Chronic Stable Angina: Preventing chest pain by improving blood flow and oxygen delivery to the heart muscle.
Vasospastic (Prinzmetal's) Angina: Treating chest pain caused by sudden spasms in the coronary arteries.
Combination Therapy: Often used as the "anchor" medication when lower doses of other blood pressure drugs have not reached the target goal.
Ankle Swelling (Edema): The 10mg dose is more likely to cause swelling in the ankles or feet due to its potent vasodilatory effect. Dizziness: You may feel lightheaded, especially when rising from a seated or lying position. Severe Liver Disease: Istin is metabolized slowly by the liver; patients with hepatic impairment require close clinical supervision. Heart Failure: Use with caution in patients with congestive heart failure, as it may increase the risk of fluid buildup. Not for Acute Attacks: Istin is a long-term maintenance drug and will not stop a sudden attack of chest pain (angina). Pregnancy: Generally not recommended during pregnancy or breastfeeding unless explicitly directed by a specialist.
For maximum efficacy, Istin must be taken at the same time every day to maintain a stable "therapeutic window" in the blood.
Standard Dosage:
Adults: Typically one (1) 10mg tablet daily.
Application Tips:
Consistency: Take your tablet at the same time each day (e.g., 8:00 AM) with a full glass of water.
With or Without Food: Absorption is not affected by meal times.
Avoid Grapefruit Juice: Grapefruit can block the enzyme that breaks down Amlodipine, potentially leading to toxic levels and dangerously low blood pressure.
Adherence: Do not stop taking Istin even if you feel "well." High blood pressure is a "silent" condition that requires consistent management to prevent sudden cardiac events.
Common side effects include headache, fatigue, nausea, flushing (warmth/redness of the face), and palpitations. At the 10mg strength, peripheral edema (swollen ankles) is the most frequent clinical complaint. If you experience a rapid or irregular heartbeat, or if your chest pain increases in frequency or severity, contact Sanlive Pharmacy or your doctor immediately.
Store in a cool, dry place below 30°C, protected from direct light and moisture. Keep the tablets in their original Pfizer blister packaging until the moment of use. Keep out of reach of children.
Q: Can I "Split" the 10mg tablet if I want to take 5mg?
A: You should only do this if the tablet is scored and your doctor has specifically instructed you to do so. Generally, it is better to have the precise 5mg or 10mg tablet as prescribed.
Q: How long does it take for my BP to "Drop"?
A: While it begins working within a few hours, it may take 7 to 14 days of continuous use to reach the full, stable effect on your blood pressure.
Q: Can I take it with "Painkillers"?
A: Avoid frequent use of NSAIDs like Ibuprofen, as they can cause the body to retain water and may reduce the blood pressure-lowering effect of Istin. Paracetamol is generally a safer choice.
Q: Is "Istin" better than generic Amlodipine?
A: Istin is the original "innovator" brand by Pfizer. While generics are effective, many patients and doctors prefer the original brand for its guaranteed consistency and high manufacturing standards.
Authentic Istin 10mg (by Pfizer) is available at Sanlive Pharmacy with a valid prescription. We ensure our cardiovascular medications are genuine and stored under strict pharmacy-grade climate control to protect the molecular integrity of the Amlodipine Besylate.
Authentic Pfizer (Original) premium cardiovascular stock.
Expert guidance on managing side effects like ankle swelling.
Licensed pharmacists available for clinical drug-interaction checks.
Fast, reliable, and discreet delivery nationwide across Nigeria.
Order Istin 10mg from Sanlive Pharmacy today for professional-grade heart and vascular protection.
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