Zafnol 50mg Tablets
Zafnol 50mg contains Atenolol, a cardio-selective beta-blocker that lowers blood pressure, reduces heart workload, and helps manage hypertension, angina, arrhythmias, and post-heart attack protection. Regular use helps reduce the risk of heart attack, stroke, and other cardiovascular complications.
Ingredients
Active Ingredient: Atenolol 50mg
Inactive Ingredients: Microcrystalline cellulose, lactose monohydrate, maize starch, magnesium stearate, purified water
Drug Class
Class: Beta-Adrenergic Blocker (β-Blocker)
Category: Antihypertensive / Antianginal / Antiarrhythmic
Dosage Form
Form: Film-coated tablet
Pack Size: 20 tablets per pack
Uses
- High blood pressure (Hypertension)
- Chest pain (Angina pectoris)
- Irregular heartbeat (Arrhythmias)
- Prevention of heart attacks (Myocardial infarction)
- Long-term management of heart disease
- Anxiety-related tachycardia symptom control
Dosage
- Hypertension: 50mg once daily; may increase to 100mg if needed
- Angina: 50–100mg once daily
- Arrhythmias: 50–100mg once daily or as directed
- Elderly/renal impairment: Lower doses may be required
- Oral route: Swallow whole with water
- 💊 Follow doctor’s instructions; do not self-adjust dose
In Case of Overdose
Symptoms: Slow heart rate, fainting, severe dizziness, shortness of breath, low blood pressure
Action: Seek immediate medical help or visit the nearest emergency center.
Missed Dose
- Take as soon as remembered
- If near next dose, skip the missed one
- Do not double the dose
How To Use
- Take once daily at the same time each day
- Can be taken with or without food
- Continue even if feeling well
- Do not stop suddenly; consult your doctor for tapering
When Not to Use
- Allergy to Atenolol or other beta-blockers
- Severe heart failure, bradycardia, heart block
- Cardiogenic shock, very low blood pressure
- Asthma or severe COPD
- Untreated pheochromocytoma
Side Effects
Common: Tiredness, dizziness, cold hands/feet, slow heart rate, nausea, upset stomach
Serious (seek medical help): Breathing difficulty, swelling of feet/ankles, mood changes, fainting, irregular heartbeat
Precautions & Warnings
- Use cautiously in diabetes, thyroid disorders, kidney impairment
- May mask hypoglycemia symptoms in diabetic patients
- Avoid alcohol; may increase dizziness
- Do not drive if feeling dizzy or fatigued
- Sudden discontinuation may worsen angina or trigger heart attack
- Inform doctor if pregnant, breastfeeding, or planning surgery
Drug Interactions
- Other antihypertensives (e.g., amlodipine, verapamil)
- Calcium channel blockers (verapamil, diltiazem)
- Insulin or antidiabetic drugs
- NSAIDs (may reduce BP-lowering effect)
- Clonidine (do not stop suddenly if used together)
- Digoxin (risk of bradycardia)
Storage/Disposal
- Store below 30°C, in a cool, dry place away from sunlight and moisture
- Keep out of reach of children
- Do not use after expiry date
- Dispose safely; do not flush into toilet
Control Drug
Prescription-only medicine (Not a controlled drug).
Quick Tips
- Take at the same time daily
- Monitor blood pressure and heart rate regularly
- Avoid alcohol and smoking
- Rise slowly from sitting/lying positions
- Follow low-salt, heart-healthy diet and exercise regularly
- Do not stop medication suddenly
