Calan
Verapamil film-coated tablets from 40mg to 240mg, used in the management of hypertension, angina pectoris and supraventricular tachycardia.
- Category
- Heart & Blood Pressure
- Active ingredient
- Verapamil
- Route
- Oral use
- Form
- Film-coated tablet
- Strengths
- 40 · 80 · 120 · 240mg
You will receive a quality generic equivalent, depending on stock.
No prescription needed: we place your order for Calan on your behalf.
- Conditions
- Hypertension · Angina Pectoris · Supraventricular Tachycardia
- Alternative names
- Cordilox; Securon
- Therapeutic class
- Calcium Channel Blocker
- Pharmacological class
- Phenylalkylamine Calcium Channel Blocker
- Known off-label uses
- cluster headache
- Precautions and warnings
- inform your doctor before any planned surgery; may cause or worsen constipation
- Minor side effects
- constipation; dizziness; nausea
- Moderate side effects
- peripheral oedema; flushing; hypotension
- Dosage forms
- Film-coated tablet
- Administration route
- Oral use
- Originator
- Pfizer
- Onset time
- 1–2 hours
- Duration
- 6–8 hours
- Storage instructions
- Store below 25°C, keep the container tightly closed.
- Drug interactions
- grapefruit; digoxin; beta-blockers
- Age restrictions
- Dosage adaptation may be required for elderly patients.
Contraindications
hypersensitivity to verapamil; severe left ventricular dysfunction; cardiogenic shock; sick sinus syndrome
Serious side effects
atrial fibrillation, requires immediate medical attention; liver function abnormalities, requires immediate medical attention
Patient summary
Verapamil film-coated tablets from 40mg to 240mg, used in the management of hypertension, angina pectoris and supraventricular tachycardia.
Mechanism of action
This medication functions by inhibiting the movement of calcium ions into heart and smooth muscle cells. This action causes relaxation of arterial blood vessels and reduces the contractility of the heart, effectively lowering blood pressure and improving oxygen supply to the heart.
Pregnancy and breastfeeding
Pregnancy: Consult a specialist before use. Breastfeeding: Verapamil is present in human milk; discuss usage with a physician.
Calan is a well-known brand of Verapamil, a medication used for hypertension, angina pectoris and supraventricular tachycardia. Other popular versions of this ingredient include Cordilox and Securon. Pfizer supplies these in tablet form, available in strengths of 40, 80, 120 and 240mg for those requiring consistent cardiovascular support.
Buying Calan online
For expats and residents across the region, ordering generic Verapamil online offers an affordable alternative to the original brand, providing reliable access to maintenance therapy.
Is the Calan sold here the branded version?
No. Calan is the originator brand name, made by Pfizer, and Yasabai uses it to identify the medicine: you receive a generic with the same active ingredient (verapamil) at the same dose, mostly a recognised Indian branded generic. The exact brand depends on stock.
How is Calan priced?
Calan comes in 40, 80, 120 and 240mg strengths, in packs of 30 to 360 tablets, and the price per tablet for every option is shown above, in US dollars or the currency you choose. Larger packs cost less per tablet. Paying with Bitcoin or Ethereum gives you an extra 10% off.
What other names is Calan sold under?
Other brands of verapamil include Cordilox and Securon. On Yasabai the same ingredient comes as Isoptin, Verampil, Calan SR and Isoptin SR.
What is Calan used for?
Calan contains verapamil, used for hypertension, angina pectoris and supraventricular tachycardia. Verapamil functions by inhibiting the movement of calcium ions into heart and smooth muscle cells.
When does Calan start working?
Verapamil usually starts to work within 1 to 2 hours, and its effect lasts about 6 to 8 hours. The exact timing differs between people.
Does Calan have side effects?
Yes. The common side effects of verapamil are constipation, dizziness and nausea. Less common ones include peripheral oedema, flushing and hypotension. Serious but less common side effects include atrial fibrillation and liver function abnormalities, which need urgent medical attention.
What does Calan interact with?
Verapamil can interact with grapefruit, digoxin and beta-blockers. Tell your doctor or pharmacist about every medicine you take before you start Calan.
Do I need a prescription to buy Calan in Thailand?
No. In Thailand verapamil is sold by pharmacists without a prescription, and Yasabai does not ask for one either. We are an online store, not a dispensing pharmacy; we arrange your order and delivery on your behalf.
Ordering without a prescription →Do you deliver Calan to Thailand?
Yes. Our pharmacy partners ship from India to Thailand and across Asia in discreet packaging. Standard Airmail takes up to 3 weeks; Express Tracked Courier takes up to 1 week.
How ordering works →What you will receive
Calan is the originator brand name, made by Pfizer. We use it here to identify the medicine only; we are not affiliated with Pfizer and do not ship the original Calan.
- You receive a generic equivalent: the same active ingredient (Verapamil) at the same dose, mostly recognised Indian branded generics from vetted manufacturers.
- The exact brand supplied depends on what is in stock at the dispatching warehouse.
- A regulated generic matches the original ingredient for ingredient by legal standard.