Short General Description of Calan

Calan is a medication that is commonly used as an antihypertensive drug to treat high blood pressure. It belongs to a class of drugs called calcium channel blockers, which help to relax and widen blood vessels, making it easier for blood to flow.

When it comes to managing high blood pressure, Calan is one of the trusted medications that doctors prescribe. As an antihypertensive drug, it specifically targets blood vessels and inhibits calcium from entering the muscle cells of the heart and blood vessels. By doing so, Calan helps to relax and widen the blood vessels, allowing blood to flow more easily, and ultimately lowering blood pressure levels.

By targeting the calcium channels, Calan effectively reduces the resistance against which the heart pumps. This decrease in resistance helps to lower blood pressure, as the heart doesn’t have to work as hard to pump blood throughout the body. This is particularly beneficial for individuals with high blood pressure, as it reduces the risk of complications such as heart attacks, strokes, and kidney problems.

Calan works by binding to the calcium channels in the heart and blood vessels, preventing calcium from entering and causing them to constrict. By blocking calcium entry, Calan helps to keep the vessels relaxed and reduces overall blood pressure. The medication is available in different strengths and forms, such as immediate-release tablets and sustained-release formulations, to accommodate individual treatment needs.

It’s important to note that Calan is a prescription medication and should be taken under the guidance of a healthcare professional. The dosage and frequency of taking Calan may vary depending on the individual’s medical condition and response to treatment. It’s advisable to follow the prescribed dosage instructions and consult with a healthcare provider if any concerns or side effects arise.

Therapeutic Effect of Calan

The main therapeutic effect of Calan is its ability to lower blood pressure. It belongs to a class of drugs called calcium channel blockers, which work by relaxing and dilating blood vessels. This relaxation and widening of blood vessels make it easier for blood to flow through, thus reducing the resistance against which the heart pumps. As a result, blood pressure levels decrease.

This lowering of blood pressure is crucial in the treatment and prevention of various complications associated with high blood pressure. Individuals with hypertension are at a higher risk of developing heart attacks, strokes, and kidney problems. Calan helps to decrease this risk by maintaining blood pressure within a healthy range.

By reducing the resistance in the blood vessels, Calan also helps to improve blood flow to the heart muscle. This can be beneficial for individuals with certain heart conditions, such as angina. Angina is chest pain caused by reduced blood flow to the heart. By ensuring adequate blood supply, Calan can help alleviate symptoms of angina and improve overall heart function and health.

Calan’s therapeutic effect is not limited to blood pressure control and heart conditions. It can also have added benefits in certain situations, such as in the prevention of migraines. Research studies have shown that Calan may help reduce the frequency and severity of migraines. Its mechanism of action in migraines is still not fully understood, but it is believed to be related to its effects on blood vessels.

Overall, Calan’s therapeutic effect is multifaceted, providing benefits beyond just blood pressure control. Its ability to relax and widen blood vessels helps maintain healthy blood flow, reduce the risk of cardiovascular complications, and potentially alleviate symptoms of certain conditions such as angina and migraines.

Calan SR – A Sustained-Release Formulation for Effective Blood Pressure Control

Calan SR, also known as Calan sustained-release, is a specialized formulation of the medication Calan that offers a unique way of delivering the drug into the body. Unlike the immediate-release version of Calan, Calan SR is designed to release the medication slowly and steadily over an extended period of time, resulting in a prolonged therapeutic effect.

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This sustained-release formulation of Calan is classified as an extended-release medication. In simple terms, it means that the drug is released gradually into the bloodstream, allowing for a consistent presence of the medication in the body. This steady and controlled release helps maintain the desired blood levels of the drug throughout the day, eliminating the need for frequent dosing with multiple tablets or capsules.

One of the primary reasons Calan SR is used is to effectively control high blood pressure. When the sustained-release formulation is taken, the medication starts to work within the body, slowly relaxing and dilating blood vessels. This action reduces the resistance against which the heart has to pump, leading to a decreased workload for the heart and subsequently lowering blood pressure levels.

The use of Calan SR also provides additional benefits in terms of convenience and adherence to medication therapy. By having a controlled release of the drug, Calan SR allows for once-daily dosing, reducing the need for multiple doses throughout the day. This simplification can improve patient compliance and make it easier for individuals to incorporate the medication into their daily routine.

In addition to its use in managing hypertension, Calan SR may also be prescribed for other heart conditions such as angina. Angina is a chest pain that occurs when the heart muscle does not receive enough oxygen-rich blood. Calan SR can help alleviate angina by improving blood flow to the heart muscle through its ability to relax and widen blood vessels.

It’s important to note that the use of Calan SR should always be under the guidance and prescription of a healthcare professional. They will determine the appropriate dose and establish a monitoring plan to ensure optimal blood pressure control and overall effectiveness of the medication.

In conclusion, Calan SR, the sustained-release formulation of Calan, offers an effective and convenient way to manage high blood pressure and certain heart conditions. By providing a controlled release of the medication, it helps maintain consistent blood levels, leading to improved blood pressure control and reduced risk of complications. Consultation with a healthcare professional is essential to determine the suitability and dosage of Calan SR for individual patients.

Indications for Calan Medication

Calan, a calcium channel blocker, is primarily indicated for the treatment of high blood pressure. It can be used as a first-line medication for hypertension or in combination with other antihypertensive drugs to achieve optimal blood pressure control.

According to the American Heart Association, nearly half of American adults have high blood pressure. If left untreated, high blood pressure can lead to severe health complications such as heart attacks, strokes, and kidney problems.

Calan works by relaxing and dilating the blood vessels, which helps to reduce the resistance against which the heart pumps. This reduction in resistance allows for easier blood flow, ultimately lowering blood pressure levels.

Treatment of Hypertension

As a standalone treatment option, Calan is commonly prescribed for patients with high blood pressure. It blocks the calcium channels in the smooth muscle cells of the blood vessels, causing them to relax and widen. By doing so, Calan reduces the force exerted on the blood vessel walls, allowing blood to flow more easily and lowering blood pressure.

Combination Therapy – Calan may also be prescribed in combination with other antihypertensive medications to achieve better blood pressure control. This approach is often used for patients with severe hypertension or when monotherapy is not sufficient in achieving the desired blood pressure levels.

Treatment of Angina

In addition to its antihypertensive effects, Calan may also be used to treat certain heart conditions, such as angina. Angina is a type of chest pain caused by reduced blood flow to the heart muscles. By dilating the blood vessels, Calan increases the blood supply to the heart, which can help alleviate symptoms of angina.

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It should be noted that Calan is not a first-line treatment for angina. However, in cases where other medications have not provided sufficient relief, Calan may be prescribed as an adjunct therapy.

In conclusion, Calan is primarily indicated for the treatment of high blood pressure. It can be used as a standalone medication or in combination with other antihypertensive drugs. Additionally, Calan may also be used to alleviate symptoms of angina. By relaxing and dilating the blood vessels, Calan helps to lower blood pressure and increase blood flow, ultimately reducing the risk of cardiovascular complications.

5. Dosage and administration of Calan SR

The dosage of Calan SR will vary depending on the individual and the condition being treated. It is important to follow the instructions provided by your healthcare provider and to use the medication as prescribed.

The usual starting dose of Calan SR for hypertension is 180 mg to 240 mg once daily. This dosage may be adjusted based on individual response and blood pressure levels. It is recommended to take Calan SR with food to improve its absorption.

The maximum recommended dose for Calan SR is 480 mg per day. However, some individuals may require higher doses depending on their response to the medication and their blood pressure control.

If you miss a dose of Calan SR, take it as soon as you remember. However, if it is close to the time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take extra medication to make up for the missed dose.

It is important not to suddenly stop taking Calan SR without consulting your healthcare provider. Abrupt discontinuation of the medication may lead to a rebound increase in blood pressure.

Calan SR should be stored at room temperature, away from moisture and heat. Keep the medication out of reach of children.

It is important to monitor your blood pressure regularly while taking Calan SR and to inform your healthcare provider of any significant changes or side effects that you may experience.

When using Calan SR, it is important to also follow a healthy lifestyle, including a balanced diet, regular exercise, and avoiding smoking and excessive alcohol consumption. These lifestyle modifications can further help in maintaining optimal blood pressure levels.

Calan SR Dosage and Administration

1. Recommended Dosage

When it comes to the dosage of Calan SR, it is important to follow the instructions provided by your healthcare provider. The dosage may vary depending on several factors, including the specific condition being treated, the severity of the condition, and the individual patient’s response to the medication.

For the treatment of hypertension (high blood pressure), the usual starting dose of Calan SR is 180 mg, taken once daily. However, your doctor may adjust the dosage based on your blood pressure levels and response to treatment. In some cases, a lower dosage may be recommended initially.

For the treatment of angina, the usual starting dose is 180-240 mg, taken once daily. Again, the dosage may be adjusted by your healthcare provider based on your symptoms and response to treatment.

2. Administration

Calan SR should be taken orally, with or without food, as directed by your doctor or pharmacist. It is important to swallow the tablets whole and not crush, chew, or break them, as this may interfere with the sustained-release mechanism of the medication.

The tablets should be taken at the same time each day to maintain a steady level of medication in the body. It is important not to miss any doses, as this may affect the effectiveness of the treatment.

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If you forget to take a dose, take it as soon as you remember. However, if it is close to the time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not double the dose to make up for a missed one.

3. Special Considerations

There are some special considerations to keep in mind when taking Calan SR:

  • Pregnancy and breastfeeding: Calan SR should be used with caution during pregnancy and breastfeeding, as its effects on the fetus or infant are not well-known. Consult with your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • Liver or kidney problems: If you have liver or kidney problems, your doctor may need to adjust your dosage or monitor you closely while taking Calan SR.
  • Drug interactions: Calan SR may interact with other medications, so it is important to inform your healthcare provider about all the drugs you are taking, including prescription, over-the-counter, and herbal medications.
  • Side effects: Common side effects of Calan SR may include headache, dizziness, constipation, and nausea. If you experience any severe or persistent side effects, contact your doctor.

Remember to always consult with your healthcare provider for personalized dosage instructions and to address any concerns or questions you may have about taking Calan SR.

7. Dosage and administration of Calan

7.1 Dosage forms of Calan:

  • Calan tablets – available in strengths of 40mg, 80mg, and 120mg
  • Calan SR capsules – available in strengths of 120mg, 180mg, and 240mg
  • Calan oral suspension

7.2 Recommended dosage:

Condition Adult Dose Pediatric Dose
High blood pressure (adults) Initially, 80mg to 120mg orally once daily. Maintenance dose is typically 120mg to 540mg divided into two to four doses per day. Not recommended for children
Angina Initially, 80mg to 120mg orally once daily. Maintenance dose is typically 180mg to 480mg divided into two to four doses per day. Not recommended for children
High blood pressure (pediatrics) Individualized based on child’s age and weight. Usually, initial dose is 0.5mg/kg orally twice daily. Maintenance doses range from 0.5mg/kg to 2.7mg/kg divided into two to four doses per day. Children aged 1 month to 16 years can use Calan. Consult a pediatrician for appropriate dosage.

7.3 Administration:

  • Take Calan tablets or Calan SR capsules orally with a full glass of water, with or without food. Tablets should be swallowed whole and not chewed or crushed.
  • Measure Calan oral suspension carefully using the provided measuring device. Shake well before each use. Administer it orally with or without food.
  • For best results, follow the prescribed dosage and administration instructions provided by your healthcare professional.

7.4 Missed dose:

If you miss a dose of Calan, take it as soon as you remember. However, if it is close to the time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

7.5 Overdose:

If you suspect an overdose of Calan, seek immediate medical attention or call the Poison Help line at 1-800-222-1222. Overdose symptoms may include dizziness, fainting, difficulty breathing, and unusually slow or irregular heartbeat.

7.6 Important considerations:

  • Regularly monitor your blood pressure and heart rate while taking Calan to ensure optimal control of your condition.
  • Do not stop taking Calan suddenly without consulting your healthcare professional, as this may lead to a sudden increase in blood pressure.
  • Inform your healthcare professional about all other medications, including over-the-counter drugs and supplements, that you are taking, to avoid potential drug interactions.

7.7 References:

  1. “Calan.” RxList. Accessed August 15, 2021.
  2. “Calan (Verapamil Hydrochloride).” Medscape. Accessed August 15, 2021.
  3. “Verapamil.” Drugs.com. Accessed August 15, 2021.
  4. “Verapamil: MedlinePlus Drug Information.” MedlinePlus. Accessed August 15, 2021.