Knowledge | Prescription Reader AI

IntroductionHigh blood pressure, or hypertension, is often called the "silent killer." In Sri Lanka, a large number of adults live with this condition, many without even knowing it because it rarely shows any outward symptoms. However, if left untreated, high blood pressure can lead to serious health complications, including strokes, heart attacks, and kidney failure. Managing your blood pressure is a lifelong commitment. While lifestyle changes like reducing salt in your rice and curry are essential, most patients will eventually need medication to keep their numbers in a safe range. Understanding your BP tablets is the first step toward taking control of your health and ensuring you live a long, active life with your family. Why This Is ImportantIn Sri Lanka, our traditional diet often includes high-salt items like dried fish (*karawala*), pickles (*achcharu*), and spicy sambols. These dietary habits, combined with increasing stress and sedentary lifestyles in both urban and rural areas, have made hypertension a major public health concern. Taking your prescribed medication is not just about "fixing a number"; it is about protecting your vital organs from permanent damage. When your blood pressure is high, your heart has to work much harder to pump blood, and your arteries are under constant strain. Over time, this increases the risk of cardiovascular disease. By taking your tablets consistently, you significantly reduce the chance of suffering a sudden stroke or heart failure, which are leading causes of disability and death in our country. What You Need to KnowCommon Types of BP MedicinesThere are several groups of medicines used in Sri Lanka to treat hypertension. Your doctor may prescribe one or a combination of these: **Calcium Channel Blockers:** Medicines like **Amlodipine** (commonly 5mg or 10mg) work by relaxing the muscles of your blood vessels, allowing them to widen and lower the pressure.**ARBs and ACE Inhibitors:** Drugs like **Losartan**, **Telmisartan**, **Enalapril**, and **Ramipril** help relax blood vessels by blocking certain natural chemicals that tighten them. These are also very beneficial for protecting the kidneys in patients with diabetes.**Diuretics:** Often called "water tablets," such as **Hydrochlorothiazide**, these help your kidneys remove excess salt and water from your body through urine.How These Medicines Protect YouThese tablets work in different ways to ensure your blood pressure stays below the target—usually 140/90 mmHg for most adults, or lower if you have other conditions. By keeping the pressure low, they prevent the "wear and tear" on your blood vessels. This prevents the hardening of arteries that leads to cardiovascular disease. It is important to remember that these medicines control blood pressure; they do not "cure" it. This is why you must take them even when you feel perfectly healthy. Managing Side EffectsLike all medicines, BP tablets can have side effects, but most are mild. For example, **Amlodipine** can sometimes cause mild swelling in the ankles. **Enalapril** or **Ramipril** might cause a persistent dry cough in some patients. If you experience these, do not stop the medicine. Instead, speak to your doctor; they can easily switch you to a different type, such as **Losartan** or **Telmisartan**, which usually do not cause a cough. Practical Advice**Be Consistent:** Take your tablet at the same time every day. Many Sri Lankans find it easiest to take it right after breakfast or after their morning tea.**Use a Pill Box:** A weekly pill organizer (available at most local pharmacies) can help you remember if you have taken your dose for the day.**Keep a Log:** Buy a small notebook to record your BP readings if you have a machine at home. Show this to your doctor during your clinic visits at the hospital or private dispensary.**Don't Run Out:** Always ensure you have at least a week’s supply of medicine left before you need a refill, especially before long holidays or Poya weekends.**Store Correctly:** Store your tablets in a cool, dry place away from direct sunlight. Given the humidity in Sri Lanka, avoid keeping them in the kitchen or bathroom.Common Mistakes to Avoid**Stopping when you feel "fine":** Many patients stop their medication because they no longer have headaches or dizziness. This is dangerous, as the pressure will rise again immediately.**Skipping doses for "native" treatment:** While herbal remedies are common in our culture, never replace your prescribed BP tablets with alternative treatments without consulting your specialist.**Doubling the dose:** If you forget a pill, do not take two the next day. Just take your regular dose and try to be more consistent.**Sharing medication:** Never take a BP tablet prescribed for your spouse or neighbor, even if the name (like Amlodipine) sounds the same. The dosage and type must be tailored to you.Safety Tips**Stand up slowly:** Some BP medicines can make you feel a bit dizzy if you get up too quickly from a chair or bed.**Stay hydrated:** Especially during the hot months in Sri Lanka, ensure you drink enough water, particularly if you are on a diuretic like **Hydrochlorothiazide**.**Check other medicines:** Before taking over-the-counter painkillers like Ibuprofen or Diclofenac, ask your pharmacist, as these can raise your blood pressure and interfere with your BP tablets.**Watch your salt:** Medication works much better if you also reduce the salt in your diet.When to See a Doctor ImmediatelySeek medical help at the nearest Emergency Treatment Unit (ETU) if you experience: A sudden, severe headache that feels different from usual.Chest pain or heaviness.Sudden blurred vision.Difficulty breathing or sudden shortness of breath.Weakness in your face, arm, or leg, especially on one side of the body.Fainting spells or severe dizziness.Key TakeawaysHigh blood pressure is a lifelong condition that requires consistent management to prevent heart disease and stroke.Common medicines like **Amlodipine, Losartan,** and **Enalapril** are safe and effective when used as directed.Never stop taking your medication without your doctor's advice, even if your blood pressure readings are normal.Managing side effects is possible by talking to your doctor—there are many alternatives available.Small lifestyle changes, like reducing salt in your food, help your medicines work more effectively.Regularly monitoring your blood pressure is the only way to know if your treatment is working.Taking your tablets today is an investment in your ability to be there for your family in the future.

Blood Pressure Medicines: Understanding Your BP Tablets