ความดันโลหิตสูง อาการและการรักษา - Intimo Life

High Blood Pressure Treatment

High Blood Pressure Treatment (Hypertension)

High blood pressure is a silent killer — extremely common yet often undetected because it rarely causes symptoms. Left uncontrolled, it can lead to heart disease, stroke, kidney damage, and more. Intimo Life offers a comprehensive range of blood pressure medications across multiple drug classes to suit your needs.

💊 Blood pressure medications across 4 major classes — ACE Inhibitors, ARBs, Calcium Channel Blockers, and Alpha Blockers. Find the right fit for your body.

👨‍⚕️ Consult a pharmacist online instantly — no travel, no queues, completely private and convenient.

🚚 Fast, confidential delivery — plain packaging with no product names on the outside, delivered safely to your door.

High blood pressure (Hypertension) is one of the most common chronic conditions and a major risk factor for heart disease, stroke, and kidney damage.

📊 Key statistics:

  • Approximately 25% of Thai adults aged 15+ have high blood pressure
  • About half of those with high blood pressure don't know they have it, as there are typically no symptoms
  • Hypertension increases stroke risk by 4-6 times and coronary heart disease risk by 3 times

💊 At Intimo Life, we offer blood pressure medications across 4 major drug classes:

  • ACE Inhibitor (Enalapril) — Blocks the enzyme that creates Angiotensin II, lowering blood pressure and protecting the heart
  • ARB (Losartan) — Blocks the Angiotensin II receptor directly, lowering blood pressure and protecting the kidneys
  • Calcium Channel Blocker (Amlodipine) — Relaxes blood vessels for consistent 24-hour pressure reduction
  • Alpha Blocker (Doxazosin) — Relaxes blood vessels; also helps with enlarged prostate symptoms

⚠️ Blood pressure medication must be taken consistently every day. Never stop on your own, even if readings normalise — blood pressure will rise again.

Supatcheree A., Pharmacist

Medically reviewed by

Supatcheree A., Pharmacist | แหล่งข้อมูล: NHS, Mayo Clinic, WHO, PubMed

Last reviewed: 2026-02-15

Available Treatments

High Blood Pressure Treatment

What Is High Blood Pressure?

High blood pressure (Hypertension) is a condition where the force of blood against artery walls is consistently too high. Normal blood pressure is below 120/80 mmHg.

📏 Blood pressure classification

  • Normal — Below 120/80 mmHg
  • Elevated — 120-129 / below 80 mmHg
  • Stage 1 Hypertension — 130-139 / 80-89 mmHg
  • Stage 2 Hypertension — 140/90 mmHg or above
  • Hypertensive Crisis — Above 180/120 mmHg — seek medical attention immediately

Hypertension is called "the silent killer" because most people have no symptoms at all until serious complications arise. Regular blood pressure monitoring is essential.

What Causes High Blood Pressure?

Causes fall into two categories.

🔵 Primary (Essential) Hypertension — Accounts for 90-95% of cases. No single identifiable cause, but results from multiple factors including genetics, age, excess weight, high sodium intake, sedentary lifestyle, excessive alcohol consumption, and chronic stress.

🟡 Secondary Hypertension — Caused by an underlying condition such as kidney disease, thyroid disorders, adrenal gland problems, or certain medications (e.g. some NSAIDs, oral contraceptives). Addressing the underlying cause may normalise blood pressure.

How Do the Different Blood Pressure Medication Classes Compare?

At Intimo Life, we offer four major medication classes, each working through different mechanisms.

ACE Inhibitor — Enalapril

  • Anapril / Enaril
  • Blocks the ACE enzyme, reducing production of the vessel-constricting substance Angiotensin II
  • Benefits: effective blood pressure reduction, heart and kidney protection, suitable for diabetic patients
  • Common side effect: dry cough (occurs in about 10-15%)

ARB — Losartan

  • Loranta
  • Blocks the Angiotensin II receptor directly
  • Benefits: effective blood pressure reduction, kidney protection, rarely causes dry cough (alternative if ACE Inhibitor cough is problematic), may slightly lower uric acid — suitable for patients with gout

Calcium Channel Blocker (CCB) — Amlodipine

  • Amlopine / Ambes
  • Reduces calcium flow into blood vessel muscle cells, causing vessels to relax
  • Benefits: consistent 24-hour blood pressure reduction, once-daily dosing, no dose adjustment needed for kidney patients
  • Common side effects: ankle swelling, facial flushing, headache

Alpha Blocker — Doxazosin

  • Cardura XL / Cazosin
  • Blocks alpha receptors on blood vessels, causing them to relax
  • Benefits: lowers blood pressure AND relieves enlarged prostate symptoms in men (improved urination). Ideal for men with both conditions
  • Caution: may cause dizziness when standing up (orthostatic hypotension), especially initially

How to Take Blood Pressure Medication Correctly

💊 Take consistently every day — Same time each day. Never stop on your own, even if readings normalise. Blood pressure medication controls the condition — it doesn't cure it.

📏 Monitor at home regularly — Use an automatic upper-arm blood pressure monitor. Measure in the morning before medication and in the evening. Keep a log for your pharmacist or doctor.

⚠️ Don't adjust doses yourself — If you feel your blood pressure is too high or too low, consult a pharmacist before making changes.

Side Effects by Drug Class

All blood pressure medications have strong safety profiles, but each class has characteristic side effects.

ACE Inhibitor (Enalapril) — Dry cough (most common, about 10-15%). If the cough is bothersome, switching to an ARB is usually effective. Watch for elevated potassium.

ARB (Losartan) — Few side effects; rarely causes cough. Watch for elevated potassium similarly to ACE Inhibitors.

CCB (Amlodipine) — Ankle swelling, facial flushing, headache, dizziness. These often improve as the body adjusts.

Alpha Blocker (Doxazosin) — Dizziness when standing up (especially initially), drowsiness. Best taken at bedtime.

Why Must Blood Pressure Medication Be Taken Lifelong?

Primary hypertension (90-95% of cases) is a chronic condition with no permanent cure. Medication "controls" blood pressure; it doesn't "fix" it.

Think of it like glasses — they help you see clearly, but removing them doesn't fix your vision. Blood pressure medication works the same way: while you take it, pressure stays controlled; stop, and it rises again.

Stopping medication abruptly without medical guidance can cause a dangerous sudden spike called Rebound Hypertension.

How Does High Blood Pressure Relate to Other Conditions?

Hypertension rarely exists in isolation. It's commonly associated with other health problems.

❤️ Heart disease — Chronic hypertension forces the heart to work harder, leading to enlargement and heart failure risk.

🧠 Stroke — Hypertension is the number one risk factor for stroke.

🩸 Kidney disease — High pressure damages the delicate blood vessels in the kidneys, accelerating decline.

👁️ Eye damage (Retinopathy) — High pressure damages retinal blood vessels, potentially causing vision loss.

💊 Diabetes, high cholesterol, gout — Frequently co-occur with hypertension. See our diabetes, cholesterol, and gout collections.

Can Blood Pressure Medication Affect Sexual Performance?

A common concern, especially among men.

Some classes (particularly Beta Blockers and certain diuretics) can affect sexual function. However, the medications available at Intimo Life generally have minimal impact.

Least impact on sexual function — ARBs (Losartan) and CCBs (Amlodipine) have the lowest reported rates of sexual side effects.

If you experience this issue, do not stop your blood pressure medication. Consult a pharmacist about switching drug classes, and consider treating erectile dysfunction alongside your blood pressure management.

Lifestyle Changes That Lower Blood Pressure

Lifestyle modifications can reduce blood pressure by 5-15 mmHg — a clinically meaningful amount.

🧂 Reduce sodium — Aim for less than 2,000 mg/day. Avoid processed foods, reduce soy sauce and fish sauce, read nutrition labels.

🏃 Exercise regularly — At least 150 minutes per week (30 minutes x 5 days) of moderate-intensity activity like brisk walking, swimming, or cycling.

⚖️ Lose weight — Every 1 kg lost reduces blood pressure by approximately 1 mmHg.

🚭 Quit smoking — Smoking causes blood vessels to narrow and harden, increasing heart and stroke risk.

🍺 Limit alcohol — No more than 1-2 drinks per day.

😌 Manage stress — Chronic stress raises blood pressure. Prioritise sleep and relaxation.

When Should You See a Doctor?

See a doctor if you experience:

🚨 Blood pressure above 180/120 mmHg (crisis — seek help immediately) / unusually severe headache / chest pain or breathing difficulty / one-sided weakness, slurred speech, or facial drooping (possible stroke signs) / sudden blurred vision / significant ankle swelling / medication not controlling blood pressure, or intolerable side effects

⚠️ Disclaimer

The information on this page is for general informational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment from a qualified doctor or pharmacist. If you have any questions about your symptoms or medication, always consult a doctor or pharmacist first.

Frequently Asked Questions

ความดันสูงแบบปฐมภูมิ (90-95% ของผู้ป่วย) ยังไม่มีวิธีรักษาให้หายขาด แต่ควบคุมได้ดีมากด้วยยาและการปรับพฤติกรรม บางคนที่ลดน้ำหนักได้มากและปรับไลฟ์สไตล์อย่างจริงจัง อาจลดขนาดยาได้ภายใต้การดูแลของแพทย์

ห้ามหยุดยาเองค่ะ ความดันลงมาปกติเพราะยาทำงานอยู่ หยุดยาความดันก็กลับขึ้น และอาจพุ่งสูงกะทันหันซึ่งอันตรายมาก การลดยาต้องค่อยๆ ปรับภายใต้การดูแลของแพทย์เท่านั้น

อาการไอแห้งเป็นผลข้างเคียงของยากลุ่ม ACE Inhibitor (เช่น Enalapril) พบได้ 10-15% สามารถเปลี่ยนเป็นยากลุ่ม ARB (เช่น Loranta — Losartan) ซึ่งไม่ค่อยทำให้ไอ ปรึกษาเภสัชกรเพื่อเปลี่ยนยา

ขึ้นอยู่กับชนิดยา ยาส่วนใหญ่ทานตอนเช้าก็ได้ แต่ Alpha Blocker (Doxazosin) แนะนำทานก่อนนอนเพราะอาจทำให้เวียนศีรษะ มีงานวิจัยบางชิ้นพบว่าทานก่อนนอนช่วยลดความดันตอนเช้า (Morning Surge) ได้ดีกว่า ปรึกษาเภสัชกรเพื่อเลือกเวลาที่เหมาะสม

ได้ค่ะ ยาลดความดันส่วนใหญ่สามารถใช้ร่วมกับยากลุ่ม PDE5 Inhibitor (เช่น Sildenafil, Tadalafil) ได้ แต่ต้องระวังในกรณีที่ทาน Alpha Blocker อยู่ เพราะอาจทำให้ความดันตกมาก ควรปรึกษาเภสัชกรก่อนเสมอ ดูตัวเลือกยาได้ที่หมวด ยารักษาอาการอวัยวะเพศไม่แข็งตัว

โซเดียมส่งผลต่อความดันอย่างชัดเจน ลดเค็มแค่นิดเดียวก็ช่วยได้ เป้าหมายคือไม่เกิน 2,000 mg/วัน ลองเริ่มจากลดน้ำปลา ซีอิ๊ว หลีกเลี่ยงอาหารแปรรูป อ่านฉลากโภชนาการ ค่อยๆ ลดลิ้นจะค่อยๆ ชินเอง

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