Isoptin Sr: Uses, Dosage, Demographic, Side Effects, Interactions, and Generic Options Isoptin Sr is a prescription medication that is primarily used to treat high blood pressure, angina, and certain cardiac arrhythmias. This medication is a calcium channel blocker and relaxes blood vessels and heart muscles. Uses Isoptin Sr is used to treat hypertension or high blood pressure, angina, and certain cardiac arrhythmias. It helps to lower blood pressure by relaxing the blood vessels and also improves blood flow to the heart muscles. Isoptin Sr is also prescribed to prevent migraines and cluster headaches. Dosage The dosage of Isoptin Sr will depend on the patient's age, medical condition, and response to treatment. It is usually taken one to three times a day with food. The recommended starting dose of Isoptin Sr for hypertension is 120 mg daily, which can be increased gradually in 2-week intervals as needed. However, your doctor may adjust the dose differently based on your specific situation. Demographic Isoptin Sr is usually prescribed to adults. However, it can also be prescribed to children over six years of age for hypertension. Pregnant and breastfeeding women should not use Isoptin Sr unless it is absolutely necessary and recommended by their doctor. Side Effects Isoptin Sr may cause certain side effects such as dizziness, headache, flushing, nausea, constipation, fatigue, and weakness. These symptoms are usually mild and temporary, but if they persist or worsen, you should consult your doctor immediately. Rarely, Isoptin Sr may cause serious side effects such as low blood pressure, slow heart rate, heart block, shortness of breath, or chest pain. If you experience any of these symptoms, contact your doctor as soon as possible. In some cases, Isoptin Sr can lead to an allergic reaction, which can be life-threatening. Interactions Isoptin Sr may interact with other medications such as beta blockers, digoxin, lithium, and certain antibiotics. It is important to tell your healthcare provider about all the medications you are taking to avoid any interactions. Isoptin Sr may also interact with grapefruit or grapefruit juice, as it can increase the medication's concentration in your blood, leading to more side effects. Generic Options Isoptin Sr is the brand name, and the generic drug is called verapamil SR. It is cheaper than the brand-name medication and works in the same way. If you are prescribed Isoptin Sr, ask your doctor if you can take the generic medication instead as it can save you money. In conclusion, Isoptin Sr is a medication that is used to treat high blood pressure, angina, certain cardiac arrhythmias, and prevent migraines. The dosage of the medication will depend on the medical condition and response to treatment. While Isoptin Sr is generally safe, it can cause certain side effects and interact with other medications, so it is important to discuss your medical history with your healthcare provider. Additionally, if cost is a concern, check if generic verapamil SR may be available as a substitute.