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Lasix 40mg Tablet 10s (strip) - DoctorOnCall Online Pharmacy

Lasix 40mg Tablet 10s (strip)

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Prescription Required
This medication requires a valid prescription from a doctor.
Don’t Have A Prescription? Get A Consult With Our Doctor Today.
STEP 1
Checkout & review your order.
STEP 2
Make payment.
STEP 3
Our doctor will contact you within 1-hour of your purchase.
Term & Condition
100% Authentic
We ensure that all our pharmaceutical products including health supplements and traditional preparations are registered with the National Pharmaceutical Regulatory Authority (NPRA) Malaysia
Free Delivery on orders above RM120
Enjoy free delivery with a minimum spend of RM120 on our platform.
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Maximum 3 units per Customer

Daily Operational Hours for consultations:
8:00AM to 8.00PM

CLOSE
Prescription Required
This medication requires a valid prescription from a doctor.
Don’t Have A Prescription? Get A Consult With Our Doctor Today.
STEP 1
Checkout & review your order.
STEP 2
Make payment.
STEP 3
Our doctor will contact you within 1-hour of your purchase.
Term & Condition
100% Authentic
We ensure that all our pharmaceutical products including health supplements and traditional preparations are registered with the National Pharmaceutical Regulatory Authority (NPRA) Malaysia
Free Delivery on orders above RM120
Enjoy free delivery with a minimum spend of RM120 on our platform.

Product Overview

Introduction of Lasix 40mg Tablet 10s (strip)

Lasix 40mg Tablet is a well-known prescription medicine belonging to the loop diuretic class of drugs, with furosemide as its active ingredient — a trusted name in modern pharmaceutical care. If you have been prescribed this tablet, you are likely already familiar with how important it is to take it correctly and consistently. Like most medicines, Lasix 40mg can cause some side effects in certain people, including dizziness, dehydration, low potassium levels (hypokalemia), and muscle cramps — so it is always good to stay informed before you start. Before taking this medicine, it is important to let your doctor know about any other medications you are currently on, any kidney or liver conditions, and whether you are pregnant or breastfeeding. We want you to feel confident and well-informed every step of the way, because your health and safety always come first.

How to Take Lasix 40mg Tablet

Lasix 40mg Tablet is taken orally with a full glass of water, and it can be taken with or without food depending on your doctor's advice. It is generally recommended to take it in the morning or early afternoon to avoid disrupting your sleep due to increased urination. Always follow your prescribing doctor's instructions carefully and do not adjust your dose on your own without professional guidance.

Dosage of Lasix 40mg Tablet

The typical starting dose for adults is one Lasix 40mg tablet once daily, which may be adjusted by your doctor based on your individual medical condition and response to treatment. Dosage may range from 20mg to 80mg per day, and in some cases higher doses may be prescribed under close medical supervision — always follow your doctor's specific recommendation.

Shelf Life of Lasix 40mg Tablet

Lasix 40mg Tablet generally has a shelf life of 2 to 3 years from the date of manufacture, as indicated on the packaging. Always check the expiry date printed on the blister pack or box before use and do not consume the tablet if it has passed its expiry date, even if it appears unchanged in appearance.

How to Store Lasix 40mg Tablet

  • Store Lasix 40mg Tablet at room temperature, below 25°C
  • Keep it in a cool, dry place away from direct sunlight and moisture
  • Do not store it in the bathroom or near the kitchen sink where humidity is high
  • Keep the tablets in their original blister pack or container until ready to use
  • Store out of reach of children and pets at all times
  • Do not use the tablet if the packaging appears damaged, tampered with, or discoloured
  • If you have unused or expired tablets, dispose of them responsibly — do not flush them down the toilet or throw them in regular household waste; consult your pharmacist for safe disposal

Active Ingredient of Lasix 40mg Tablet

ComponentDetails
Active IngredientFurosemide 40mg
Drug ClassLoop Diuretic
FormulationOral Tablet

Side Effects of Lasix 40mg Tablet

Like all medicines, Lasix 40mg Tablet may cause side effects in some people. Not everyone will experience them, but it is important to be aware of what to watch out for.

Common Side Effects:

  • Increased frequency of urination
  • Dizziness or lightheadedness, especially when standing up quickly
  • Dehydration (dry mouth, thirst, reduced urination)
  • Low potassium levels (hypokalemia) — may cause muscle weakness or cramps
  • Low sodium levels (hyponatremia)
  • Headache
  • Nausea or stomach upset
  • Fatigue or general weakness

Less Common Side Effects:

  • Low blood pressure (hypotension)
  • Blurred vision
  • Skin rash or itching
  • Increased blood sugar levels (hyperglycaemia) — particularly relevant for diabetic patients
  • Elevated uric acid levels, which may trigger gout
  • Hearing disturbances or ringing in the ears (tinnitus) — more common at high doses
  • Sensitivity to sunlight (photosensitivity)

Serious Side Effects — Seek Medical Attention Immediately:

  • Severe allergic reaction (difficulty breathing, swelling of face, lips, tongue or throat)
  • Severe electrolyte imbalance causing irregular heartbeat (arrhythmia)
  • Sudden hearing loss
  • Severe skin reactions
  • Unusual bruising or bleeding

⚠️ This is not a complete list of all possible side effects. If you notice anything unusual after taking this medicine, please contact your doctor or pharmacist promptly.

Contraindications of Lasix 40mg Tablet

  • Allergy or hypersensitivity to furosemide or any sulfonamide-derived medicines
  • Anuria (complete absence of urine production or severe kidney failure where the kidneys have stopped working)
  • Severe dehydration or significant electrolyte depletion
  • Hepatic coma or pre-coma (severe liver failure with neurological involvement)
  • Addison's disease (adrenal gland insufficiency)
  • Pregnancy — particularly during the first trimester; use only if clearly necessary and under strict medical supervision
  • Breastfeeding — furosemide may pass into breast milk; consult your doctor before use
  • Infants with jaundice — use with caution and only under specialist guidance
  • Patients with known hypersensitivity to sulfonamides — cross-sensitivity may occur

💡 Always inform your doctor of your full medical history and current medications before starting Lasix 40mg Tablet.

Drug & Food Interactions of Lasix 40mg Tablet

Drug Interactions:

Medicine / Drug TypePotential Interaction
NSAIDs (e.g., ibuprofen, naproxen)May reduce the effectiveness of furosemide and increase the risk of kidney damage
Aminoglycoside antibiotics (e.g., gentamicin)Increased risk of hearing damage (ototoxicity)
DigoxinLow potassium caused by furosemide can increase digoxin toxicity risk
LithiumFurosemide may increase lithium levels in the blood, raising toxicity risk
Antihypertensive medicinesCombined use may cause an excessive drop in blood pressure
CorticosteroidsMay further lower potassium levels when taken with furosemide
Antidiabetic medicinesFurosemide may reduce the effectiveness of blood sugar-lowering medicines
Cisplatin (chemotherapy)Increased risk of kidney and hearing damage
Sucralfate or cholestyramineMay reduce the absorption of furosemide if taken at the same time

Food & Lifestyle Interactions:

  • Alcohol — Drinking alcohol while taking Lasix 40mg can increase the risk of low blood pressure and dizziness; it is advisable to limit or avoid alcohol
  • High-sodium foods — Excessive salt intake may reduce the effectiveness of the treatment
  • Potassium-rich foods (e.g., bananas, oranges, potatoes) — Your doctor may recommend increasing potassium-rich foods or potassium supplements to counteract potassium loss
  • Liquorice — Natural liquorice can further lower potassium levels and should be avoided

⚠️ Always inform your doctor or pharmacist about all prescription medicines, over-the-counter drugs, herbal supplements, and vitamins you are currently taking before starting Lasix 40mg Tablet.

Quick Tips for Lasix 40mg Tablet

  • ✅ Always take Lasix 40mg exactly as prescribed by your doctor — do not increase, reduce, or stop your dose without medical advice
  • ✅ Take it in the morning to minimise disruption to your sleep from increased urination
  • ✅ Stay well-hydrated throughout the day, but follow your doctor's fluid intake recommendations as overhydration can also be a concern
  • ✅ Monitor for signs of low potassium such as muscle cramps, weakness, or irregular heartbeat — report these to your doctor promptly
  • ✅ Avoid prolonged sun exposure as furosemide can make your skin more sensitive to sunlight; use sunscreen when going outdoors
  • ✅ Do not share your medication with others, even if they appear to have similar symptoms
  • ✅ Keep a regular follow-up with your doctor for blood tests to monitor kidney function and electrolyte levels
  • ✅ Check the expiry date before taking any tablet and never use expired medicine
  • ✅ Store properly — keep away from heat, moisture, and direct sunlight; room temperature below 25°C is ideal
  • ✅ Purchase from a licensed and verified pharmacy to ensure you receive genuine, quality-assured medication
  • ✅ Carry your prescription when purchasing Lasix 40mg, as it is a prescription-only medicine (POM) in Malaysia
  • ✅ Dispose of unused tablets responsibly — return them to your nearest pharmacy for safe disposal

Frequently Asked Questions (FAQs) About Lasix 40mg Tablet

Q1: Can I buy Lasix 40mg Tablet online in Malaysia?
Yes, you can purchase Lasix 40mg Tablet through our licensed online pharmacy in Malaysia. We are a registered and authorised pharmacy platform that complies with Malaysian pharmaceutical regulations. However, as Lasix 40mg is a prescription-only medicine (POM), a valid prescription from a registered doctor is required before we can process your order.

Q2: Is a prescription required to purchase Lasix 40mg Tablet in Malaysia?
Yes, absolutely. Lasix 40mg Tablet is classified as a prescription-only medicine under Malaysian pharmaceutical law. You will need to provide a valid prescription issued by a licensed medical practitioner in Malaysia to purchase this product from our platform. This is for your safety, and we take this responsibility very seriously.

Q3: How do I submit my prescription when ordering Lasix 40mg Tablet online?
It is simple and straightforward. During the checkout process on our website, you will be prompted to upload a clear photo or scanned copy of your prescription. Our in-house pharmacist team will verify the prescription before your order is confirmed and dispatched. If you have any questions about this process, our customer support team is always happy to help.

Q4: How do I know the Lasix 40mg Tablet sold on your platform is genuine and authentic?
We understand that authenticity is a top priority when purchasing medicines online. All products sold on our platform are sourced directly from authorised distributors and licensed pharmaceutical suppliers in Malaysia. Every batch of medicine we stock is verified for authenticity, proper labelling, and compliance with the standards set by the National Pharmaceutical Regulatory Agency (NPRA) Malaysia. You can shop with confidence knowing your health is in safe hands.

Q5: How long does delivery take for Lasix 40mg Tablet within Malaysia?
We offer delivery across Peninsular Malaysia, Sabah, and Sarawak. Standard delivery typically takes 2 to 5 working days, while express delivery options may be available depending on your location. Orders are carefully packed to maintain the integrity and quality of the medicine during transit. You will receive a tracking number once your order has been dispatched.

Q6: Is it safe to order prescription medicines like Lasix 40mg online in Malaysia?
Yes, it is safe — provided you order from a licensed and regulated online pharmacy. Our platform operates under the guidelines of the Ministry of Health (MOH) Malaysia and adheres to all applicable pharmaceutical regulations. We do not dispense prescription medicines without a valid prescription, and our pharmacists are always available to address any concerns you may have.

Q7: What should I do if my Lasix 40mg Tablet arrives damaged or with a broken seal?
Please do not consume any medicine that arrives with damaged packaging, a broken seal, or signs of tampering. Contact our customer service team immediately with photos of the damaged product, and we will arrange a replacement or refund as quickly as possible. Your safety is our highest priority.

Q8: Can I reorder Lasix 40mg Tablet online without visiting a doctor again?
If you have a current and valid prescription, you may be able to reorder based on that. However, if your prescription has expired or it has been a significant period since your last medical review, we strongly recommend consulting your doctor again before reordering. This ensures your treatment plan remains appropriate and safe for your current health condition.

Q9: Is Lasix 40mg Tablet available in stock at your online pharmacy in Malaysia?
We strive to maintain consistent stock availability of commonly prescribed medicines including Lasix 40mg Tablet. You can check real-time stock availability directly on our product page. If the product is temporarily out of stock, you can sign up for a restock notification and we will alert you as soon as it becomes available again.

Q10: How is Lasix 40mg Tablet packaged for delivery to ensure quality is maintained?
We take great care in our packaging process. Lasix 40mg Tablets are packed in tamper-evident, secure packaging and placed in protective delivery boxes to prevent damage during transit. We ensure that medicines are stored and dispatched under appropriate conditions in line with pharmaceutical storage standards, so you receive your medicine in perfect condition.

Q11: Can I get a refund or return if I ordered the wrong product?
We understand that mistakes can happen. If you have ordered the wrong product or received an incorrect item, please contact our customer support team within 7 days of receiving your order. Returns and refunds for prescription medicines are subject to our pharmacy's return policy and applicable Malaysian pharmaceutical regulations. Opened or used medicines generally cannot be returned for safety reasons.

Q12: Do you offer any customer support for queries about my Lasix 40mg Tablet order?
Absolutely! Our friendly and knowledgeable customer support and pharmacist team is available to assist you with any queries related to your order, prescription submission, delivery status, or product authenticity. You can reach us via live chat, email, or phone during our operating hours. We are here to make your online pharmacy experience as smooth and trustworthy as possible.

📋 Disclaimer: The information provided on this page is intended for general informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before starting, changing, or stopping any medication. Lasix 40mg Tablet is a prescription-only medicine and should only be used under the supervision of a licensed doctor.

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How To Use Lasix 40mg Tablet 10s (strip)

This medicine is for oral use only. Swallow this medication as a whole with water. Do not chew, crush or break it. It is better to take this medication at a fixed time each day if it is indicated for everyday use.

Brands

Sanofi

Active Ingredient

furosemide 

Manufactured by

Sanofi-Aventis

Side Effects

As with all medications, you may experience some side effects. Not everyone experiences it. This is not a cause for concern. However, it is so that you are aware of it.

Hypotension, Hyponatremia, Hypochloraemia, Headache, Drowsiness, Dry mouth, Thirst, Weakness, Lethargy, Muscle cramps, Dehydration, Rashes

Warning Precautions

Alcohol Warning (Not Advisable)

It is not advisable to consume alcohol with Lasix 40mg Tablet 10s (strip) as alcohol is a diuretic itself. The effects are electrolyte imbalances and enhance hypotensive effect.

Pregnancy Warning (Not Safe)

Lasix 40mg Tablet 10s (strip) may be unsafe to use during pregnancy. Animal studies have shown no side effects on the foetus, however, there are limited human studies that can prove the safety of Lasix 40mg Tablet 10s (strip) in high doses. The benefits from use in pregnant patients may outweigh the risk so please consult your doctor.

Breastfeeding Warning (Not Advisable)

Lasix 40mg Tablet 10s (strip) is mostly not recommended for patients as it may inhibit lactation and it may pass into breast milk.

Driving Warning (Not Advisable)

Do not drive unless you are feeling well. Lasix 40mg Tablet 10s (strip) may cause delayed reaction time which could affect the ability to concentrate and drive.

Kidney Warning (Use With Care)

Lasix 40mg Tablet 10s (strip) should be used with caution in patients with kidney disease as dose adjustments may be needed. Lasix 40mg Tablet 10s (strip) mainly works on the kidney therefore severe kidney disease or renal failure patients are contraindicated. Please consult your doctor.

Liver Warning (Use With Care)

Lasix 40mg Tablet 10s (strip) should be used with caution in patients with liver disease as dose adjustments may be needed. Please consult your doctor.

FAQ

Disclaimer

Information last updated on: Fri Apr 10 2026 07:38:11 GMT+0000 (Coordinated Universal Time) The product images shown are for illustration purposes only and may not be an exact representation of the product.

The content provided on this webpage is to provide information only, to be fully-interpreted by a medical professional, and not intended as a guide to make purchase decisions, or a substitute to advice of a medical professional. Effectiveness and side effects of medication may differ from individual to individual. We do not encourage any customer to self-diagnose and/or self-medicate. Patients should always consult a medical professional before taking or using any medication. The content provided here is non-exhaustive and may not cover all aspects of the medication. Our service should only be used to support the doctor-patient dynamic, not replace it.

The fulfilment of prescription medication is subject to our review of a prescription issued by a Malaysian Medical Council (MMC) registered doctor. If required, we will provide a tele-consult service with one of our registered panel doctors. This is not an advertisement of a medicine as such an advertisement would require prior approval from the Medicines Advertisement Board of Malaysia. Lasix 40mg Tablet 10s (strip) is available in many areas in Malaysia. Kuala Lumpur, Bukit Bintang, Titiwangsa, Setiawangsa, Wangsa Maju, Kepong, Segambut, Bandar Tun Razak, Cheras, Subang Jaya, Petaling Jaya, Mont Kiara, Puchong, Bandar Sunway, TTDI, Seri Kembangan, Klang, Bukit Tinggi, Damansara, Sentul, Penang, George Town, Jelutong, Gelugor, Bayan Baru, Bandar Baru Air Itam, Sungai Ara, Bukit Mertajam, Butterworth, Perai, Johor Bahru, Skudai, Bukit Indah, Gelang Patah, Senai, Pasir Gudang, Taman Daya, Taman Molek, Taman Perling, Tebrau, Danga Bay, Larkin, Nusajaya, Pontian, Masai, Setia Tropika, Desaru, Tampoi.


Lasix 40mg Tablet 10s (strip) is available at many places in Singapore. Ang Mo Kio, Alexandra, Admiralty, Bedok, Bishan, Bukit Batok, Bukit Merah, Bukit Panjang, Bukit Timah, Boat Quay, Buona Vista, Beach Road, Bugis, Balestier, Boon Lay, Central Area, Choa Chu Kang, Clementi, Chinatown, Commonwealt, City Hall, Clarke Quay, Changi Airport, Changi Village, Clementi Park, Dairy Farm, Eunos, East Coast, Farrer Park, Geylang, Hougang, Harbourfront, Holland, Jurong, Jurong East, Jurong West, Kallang/ Whampoa, Lim Chu Kang, Marine Parade, Marina, Macpherson, Mandai, Newton, Novena, Orchard, Pasir Ris, Punggol, Potong Pasir, Paya Lebar, Queenstown, Raffles Place, Rochor, River Valley, Sembawang, Sengkang, Serangoon, Serangoon Rd, Seletar, Tampines, Toa Payoh, Tanjong Pagar, Telok Blangah, Tanglin, Thomson, Tuas, Tengah, Upper East Coast, Upper Bukit Timah, Upper Thomson, Woodlands, West Coast, Yishun, Yio Chu Kang.
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