The primary objective of Calan SR (Verapamil) is to treat high blood pressure or hypertension. In addition, these controlled-release tablets are also effective in cases of congestive heart failure, angina (chest pain) or migraine (a serious persistent vascular headache). Calan SR may be applied unaccompanied or in combination with other medications.

Calan SR (Verapamil) controlled-release tablets work as a calcium channel blocker. It acts by relaxing and widening your blood vessels that brings down blood pressure.

Dosage & Administration

Make use of Calan SR pills as prescribed by your medical practitioner. See the prescription label on the drug for precise dosing guidances. The pills are usually taken orally with or without meals. It is strongly advised not to eat grapefruit or drink grapefruit juice while you take Verapamil. Gulp down these controlled-release tablets entirely. Do not squash or masticate prior to swallowing.

You should take Calan SR pills at the same instant of time every day in order to help you remember taking them. If you fail to take a dose of Verapamil tablets, take it as quickly as possible. If it nears the time of your subsequent dosage, bypass the forgotten dose and revert to your usual dosing plan. Overdoses should not be taken at any expense. Ask your physician any queries you may possess regarding how to use Calan SR tablets.

Drug Contraindications

Calan SR (Verapamil) is contraindicated if you are supersensitive to any component in this medication. It is also not prescribed in cases of certain heart ailments (for example, disturbance in the functioning of left-ventricle, sick sinus set of symptoms, second- or third-degree heart block or atrioventricular block and without a pacemaker), very low blood pressure, or moderate to serious congestive heart failure (failure to propel sufficient blood to shun blockage in the tissues).

Other conditions where Calan SR is contraindicated include cardiac arrhythmia or flutter and pre-excitement disorders (additional conduction tract in the heart), for instance Wolff-Parkinson-White syndrome (WPW) or Lown-Ganong-Levine syndrome (LGL), bodily collapse because of dangerous heart troubles, or if you are using dofetilide. Call your physician or health care professional promptly if any of these are applicable to you.

Common Side Effects
All medications may pose the risk of side effects, but a lot of people experience no, or negligible side effects. Make sure with your general practitioner if any of these most frequent side effects continue or become troublesome: constipation, giddiness, exhaustion, common feeling of being out of sorts, headache, lightheadedness, or nausea.
Dangerous Side Effects
Ask for emergency medical help if any of these life-threatening side effects of Calan SR take place: terrible allergies (rashes, hives, itchiness, trouble taking a breath, stiffness in the chest, puffiness in the mouth, lips, face, or tongue), chest pain, dark-colored urine, fever; vertigo, particularly when standing, intense lightheadedness, breathlessness, extrusion of the feet or hands, abnormally rapid, leisurely, or uneven heartbeat, discoloring of the eyes or skin.

Synonym
Veracor Manidon
Venezuela: Cronovera Verelan Isoptin Covera
United States: Calan Zolvera Vertab Verapress Univer Securon Half Securon Geangin* Ethimil* Cordilox Berkatens*
United Kingdom: Angimon* Vermine Verapin Vasopten* Isoptin Isopamil Civicor*
Thailand: Caveril Verasifar* Veraptin* Verapam Veracim* Isoptin Flamon
Switzerland: Corpamil* Veraloc*
Sweden: Isoptin Veratensin* Univer* Redupres*
Spain: Manidon Verpamil Isoptin
Singapore: Civicor* Verpamil* Verahexal Vasomil Ravamil Isoptin Iso-Card* Calcicard
South Africa: Bonceur* Verogalid (Верогалид) Lekoptin (Лекоптин) Isoptin (Изоптин)
Russia: Finoptin (Финоптин)
Portugal: Isoptin Verpamil Isoptin
New Zealand: Civicor* Verakard Isoptin
Norway: Geangin* Isoptin Geangin
Netherlands: Chronovera* Verdilac Veralan* Veraken Vepiltax Serriten Galenpamil* Europave Euritmin* Dilacoran
Mexico: Cronovera Viratin* Verpamil Isoptin Cintsu Anpec
Malaysia: Akilen
Japan: Vasolan* Veraptin Quasar Kata* Isoptin
Italy: Cardinorm Verapress Veracor Ikapress Ikacor
Israel: Apoacor Verisop Verelan* Verap Veramil Isoptin
Ireland: Berkatens* Veramil
India: Calaptin Verogalid Isoptin
Hungary: Chinopamil Isoptin
Hong Kong: Akilen* Isoptin Elanver*
Greece: Brovicarpine* Veroptinstada Verasal Veranorm Veramex Verahexal Veragamma Veradurat* Verabeta Vera Vera-OPT* Vera-Lich Praecicor* Jenapamil* Isoptin Falicard durasoptin Drosteakard* Dignover* Cardioprotect* cardibeltin* Cardiagutt*
Germany: Azupamil* Novapamyl* Isoptine
France: Arpamyl LP* Verpamil Verpacor* Vermin
Finland: Isoptin Veraloc Isoptin Hexasoptin
Denmark: Geangin Verogalid Verahexal Lekoptin Isoptin
Czech Republic: Apo-Verap Presocor Isoptina
Chile: Cardiolen Verelan* Nu-Verap Novo-Veramil Isoptin Chronovera
Canada: Apo-Verap Veraval Veramil Veracoron* Vascord Norvil* Neo Verpamil Multicor Dilacoron Dilacor Dilacard Cronovera
Brazil: Cordilat Lodixal Isoptine
Belgium: Fibrocard* Verexamil* Veratyrol* Verastad Verapabene Veraday* Isoptin
Austria: Chronovera* Verahexal Veradil* Veracaps Isoptin Cordilox
Australia: Anpec Verapal* Veral
Argentina: Isoptino