Calan is a calcium channel blocker which helps to treat supraventricular tachycardia, which causes erratic heartbeats. It is also used to control the reaction of the pulse to any other musicality disturbing effects, and atrial vacillate. It works by aiming to normalize the heartbeats.
Dosage and Directions
- Follow the instructions of the doctor regarding the dosage and duration of medication.
- Never alter the dosage without consultation of the doctor.
- Never discontinue the medication mid-course, as it may trigger withdrawal symptoms.
- At times, the doctor may modify the dosage frequency or potency to speed up the treatment.
- Crushing, chewing, breaking or opening the Calan capsule makes excessive drug release rapidly, triggering side effects. Hence it should be swallowed whole with a glassful of water.
Missed or Overdose
In case you miss a dose and realize it close to the time of your next dose, then you can resume your regular schedule. Never consume a double dose, or consume two doses within a short time gap, else it may trigger side effects. In case you notice any unusual symptoms, then you should seek immediate medical assistance.
Calan should be stored at room temperature, between 68 and 77 degrees F. It should not be stored in places which are too hot, moist or humid. Never keep it in the bathroom. Always ensure that it is far from the reach of children and pets.
Word of Warning
- As the active ingredient in Calan is Verapamil hydrochloride, patients allergic to it or any other ingredient of Calan should not consume this medicine.
- Patients suffering from heart issues, or pre-excitation syndrome or any other heart ailment should abstain from consuming Calan.
- Patients consuming dofetilide or disopyramide should not take Calan for at least 40 hours before discontinuing these medicines, lest they interact with each other.
- Pregnant and lactating women need to inform the doctor about their condition before embarking on a course of Calan.
- Always update the doctor of your medical history, including any herbal, non-herbal medicine, or dietary supplement you are taking.
- Inform your doctor about any allergy you suffer from.
- Patients with blood pressure, heart or lung issues should also inform their doctor about their condition before taking medicine.
- Patients who are taking treatment for cancer should also be cautious while consuming Calan.
- Calan interacts with beta-blockers, clonidine, disopyramide, ketolides macrolides, or ritonavir, aldosterone blockers, aspirin, narcotic pain relievers, quinidine, and other medicines. Hence consuming these medicines with Calan may trigger side effects.
- Consuming phenobarbital, rifampin, or St. John’s Wort reduces the efficiency of Calan.
Calan consumption may make you feel dizzy, and this may worsen if consumed with alcohol or other medicines. Hence one should avoid driving or performing risky tasks which require concentration and focus. Alcohol and medication like sleeping aids and muscle relaxants may enhance the
drowsy spells or increase the risk of side effects. Common side effects include acute allergic reactions, pain in the chest, head, and stomach, giddy sensations, breathlessness, swelling, liver
disorders, pain in urination, irregular heartbeats, and other similar abnormalities.
In case you notice something unusual, then you need to inform your doctor of the same immediately.
- Calan is not suitable for children
- Calan should not be used by pregnant and lactating women
- Elder patients are at a higher risk of getting affected by the side effects.