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Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy
Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy
Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy
Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy
Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy
Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy
Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy Cialis 20mg Tablet 8s - DoctorOnCall Online Pharmacy

Cialis 20mg Tablet 8s

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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.
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Checkout & review your order.
STEP 2
Make payment.
STEP 3
Our doctor will contact you within 1-hour of your purchase.
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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.
Same day Delivery
Only applicable if all items in your cart qualify for same-day delivery. Only registered users may qualify for same-day delivery, so sign up now!

Product Overview

Introduction of Cialis 20mg Tablet 8s

Cialis 20mg Tablet is a well-known prescription medicine belonging to the class of drugs called phosphodiesterase type 5 (PDE5) inhibitors, with tadalafil as its active ingredient. It is a trusted and clinically established medication that has been used by millions of men worldwide under medical supervision. Like most medicines, it can cause some side effects, and the ones most commonly reported include headache, flushing, back pain, and nasal congestion — most of which are mild and tend to go away on their own. Before you start taking this tablet, it is important that you speak with a licensed doctor who can assess whether this medicine is right for you, especially if you have any existing heart conditions or are currently taking other medications. We want you to feel confident and informed, so please read through the details below carefully before making your purchase.

How to Take Cialis 20mg Tablet

Cialis 20mg Tablet should be taken orally with a full glass of water, with or without food, as directed by your doctor or pharmacist. It is important not to crush, break, or chew the tablet — swallow it whole. Always follow your healthcare provider's instructions regarding timing and frequency, as individual guidance may vary based on your health condition and medical history.

Dosage of Cialis 20mg Tablet

The commonly recommended dose of Cialis is 20mg taken as needed, typically no more than once in a 24-hour period. Your doctor may adjust the dose based on your individual response and tolerability, so always follow the prescribed dosage and never exceed the recommended amount without medical advice.

Shelf Life of Cialis 20mg Tablet

Cialis 20mg Tablet generally has a shelf life of 2 to 3 years from the date of manufacture, as indicated on the product packaging. Always check the expiry date printed on the blister pack or box before use, and do not take the tablet if it has passed its expiry date. Using expired medication may reduce its effectiveness and could potentially be unsafe.

How to Store Cialis 20mg Tablet

  • Store Cialis 20mg Tablet at room temperature, between 15°C to 30°C
  • Keep it in a cool, dry place away from direct sunlight, heat, and moisture
  • Do not store it in the bathroom or near a kitchen sink where humidity is high
  • Keep the tablets in their original blister packaging until ready to use
  • Store out of reach of children and pets at all times
  • Do not freeze the tablets or expose them to extreme temperatures
  • If you have unused or expired tablets, dispose of them responsibly — consult your pharmacist for safe disposal guidance

Active Ingredient of Cialis 20mg Tablet

DetailInformation
Active IngredientTadalafil
Strength20mg per tablet
Drug ClassPhosphodiesterase Type 5 (PDE5) Inhibitor
Dosage FormFilm-coated oral tablet
ManufacturerEli Lilly and Company

Tadalafil is the active pharmaceutical ingredient (API) in Cialis. It is a clinically studied and regulatory-approved compound that has been extensively researched for its pharmacological profile. Each tablet contains 20mg of tadalafil along with inactive excipients that help form the tablet structure.

Side Effects of Cialis 20mg Tablet

Like all prescription medicines, Cialis 20mg Tablet may cause side effects in some individuals. Not everyone will experience these, and many side effects are mild and temporary. However, it is important to be aware of them before starting treatment.

Common Side Effects:

  • Headache
  • Facial flushing (redness or warmth in the face, neck, or chest)
  • Nasal congestion or runny nose
  • Indigestion or upset stomach (dyspepsia)
  • Back pain
  • Muscle aches (myalgia)
  • Dizziness

Less Common Side Effects:

  • Blurred vision or changes in colour vision
  • Eyelid swelling
  • Eye redness or irritation (conjunctival hyperaemia)
  • Increased heart rate (tachycardia)
  • Low blood pressure (hypotension), particularly when standing up suddenly
  • Nausea
  • Rash or skin reactions

Rare but Serious Side Effects (Seek Immediate Medical Attention):

  • Sudden loss of vision in one or both eyes — a condition known as non-arteritic anterior ischaemic optic neuropathy (NAION)
  • Sudden decrease or loss of hearing, sometimes accompanied by ringing in the ears (tinnitus) or dizziness
  • Prolonged or painful erection lasting more than 4 hours (priapism) — this requires emergency medical care
  • Severe allergic reactions including swelling of the face, lips, tongue, or throat (angioedema)
  • Chest pain or irregular heartbeat

⚠️ Important: If you experience any serious or unexpected side effects, stop taking the medication and seek immediate medical attention. Always report side effects to your doctor or pharmacist.

Contraindications of Cialis 20mg Tablet

Cialis 20mg Tablet is not suitable for everyone. You should not take this medication if any of the following apply to you:

  • You are currently taking nitrates in any form (e.g., nitroglycerin, isosorbide mononitrate or dinitrate) — this combination can cause a dangerous and potentially life-threatening drop in blood pressure
  • You are using recreational drugs known as "poppers" that contain amyl nitrate or butyl nitrate
  • You are taking guanylate cyclase stimulators such as riociguat (used for pulmonary hypertension)
  • You have been advised by your doctor to avoid sexual activity due to cardiovascular risk
  • You have severe heart disease or have recently had a heart attack or stroke (within the last 90 days)
  • You have severe liver impairment (hepatic failure)
  • You have severe kidney disease or are on dialysis
  • You have a history of low blood pressure (hypotension) or uncontrolled high blood pressure (hypertension)
  • You have a known allergy or hypersensitivity to tadalafil or any of the tablet's inactive ingredients
  • You have a condition that may predispose you to priapism, such as sickle cell anaemia, multiple myeloma, or leukaemia
  • You have retinitis pigmentosa or other inherited degenerative eye disorders
  • This medication is not intended for use in women or children

🔴 Always disclose your full medical history and current medications to your doctor before starting Cialis. This list is not exhaustive — your healthcare provider is the best person to determine if this medicine is safe for you.

Drug & Food Interactions of Cialis 20mg Tablet

Cialis 20mg Tablet can interact with certain medicines, foods, and substances. These interactions may affect how the medication works or increase the risk of side effects. Always inform your doctor or pharmacist about all medicines, supplements, and herbal products you are currently taking.

Drug Interactions:

  • Nitrates (e.g., glyceryl trinitrate, isosorbide dinitrate) — strictly contraindicated; can cause severe hypotension
  • Alpha-blockers (e.g., tamsulosin, doxazosin) — may enhance blood pressure-lowering effects; use with caution
  • Antihypertensive medications — combined use may lead to additive blood pressure reduction
  • CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, ritonavir, clarithromycin) — may increase tadalafil blood levels, raising the risk of side effects
  • CYP3A4 inducers (e.g., rifampicin, carbamazepine, phenytoin, St. John's Wort) — may reduce the effectiveness of tadalafil
  • Other PDE5 inhibitors (e.g., sildenafil, vardenafil) — should not be taken together with Cialis
  • Riociguat — combination is contraindicated due to risk of severe hypotension

Food & Beverage Interactions:

  • Grapefruit and grapefruit juice — may increase tadalafil concentration in the blood, potentially amplifying side effects; it is advisable to avoid or limit consumption
  • Alcohol — combining alcohol with Cialis can increase the risk of dizziness, low blood pressure, headache, and increased heart rate; limit alcohol intake while using this medication

💊 This is not a complete list of all possible interactions. Always consult your doctor or pharmacist before combining Cialis with any other medicine or supplement.

Quick Tips for Cialis 20mg Tablet

  • ✅ Always take Cialis as prescribed by your doctor — do not self-medicate or adjust the dose on your own
  • ✅ Never take more than one tablet within 24 hours, regardless of the circumstances
  • ✅ Inform your doctor about all medications you are currently taking, including herbal supplements and over-the-counter drugs
  • ✅ Avoid grapefruit juice on the days you take Cialis, as it may interfere with how the medicine is absorbed
  • ✅ Limit alcohol consumption while taking this medication to reduce the risk of dizziness and low blood pressure
  • ✅ Keep the tablets in their original packaging and store them in a cool, dry place away from sunlight
  • ✅ Check the expiry date before taking any tablet — never use expired medication
  • ✅ Do not share your medication with others, even if they appear to have similar symptoms — this is a prescription medicine
  • ✅ Seek immediate medical help if you experience a prolonged erection lasting more than 4 hours, sudden vision loss, or chest pain
  • ✅ Purchase only from licensed and verified pharmacies — counterfeit versions of Cialis exist in the market and can be dangerous
  • ✅ Keep out of reach of children and store in a secure location at all times
  • ✅ Dispose of unused or expired tablets responsibly — ask your pharmacist about proper medicine disposal in Malaysia

Frequently Asked Questions (FAQs) – Cialis 20mg Tablet

Purchasing & Availability

Q1: Can I buy Cialis 20mg Tablet online in Malaysia?
Yes, you can purchase Cialis 20mg Tablet through our licensed online pharmacy in Malaysia. We are a verified pharmacy that operates in compliance with Malaysian pharmaceutical regulations, ensuring that every product we supply is genuine, properly stored, and safely delivered to your doorstep.

Q2: Is Cialis 20mg Tablet available without a prescription in Malaysia?
In Malaysia, Cialis 20mg Tablet is classified as a prescription-only medicine (POM). This means a valid prescription from a registered doctor is required before it can be dispensed. Our platform can guide you on how to obtain a valid prescription through a licensed healthcare provider before completing your purchase.

Q3: How do I know if the Cialis 20mg Tablet I am purchasing online is genuine and not counterfeit?
This is a very important question, and we take it seriously. When you purchase from our pharmacy, you can be assured that all products are sourced from authorised distributors and registered pharmaceutical suppliers in Malaysia. We recommend always checking for proper packaging, intact blister seals, manufacturer details, and batch numbers. Avoid purchasing from unverified social media sellers or unknown websites, as counterfeit Cialis is a real concern in the market.

Q4: What brands or versions of tadalafil 20mg are available on your platform?
We carry original branded Cialis as well as registered generic tadalafil 20mg tablets that are approved by the relevant Malaysian health authorities. All products listed on our platform are registered and verified for quality and authenticity.

Delivery & Ordering

Q5: Do you deliver Cialis 20mg Tablet across Malaysia? 
Yes, we offer delivery across Peninsular Malaysia, Sabah, and Sarawak. Orders are packaged discreetly to protect your privacy, and we work with reliable courier partners to ensure your medicine reaches you safely and on time.

Q6: How long does delivery take after I place my order? 
Delivery timelines typically range from 1 to 3 working days for Peninsular Malaysia and 3 to 5 working days for East Malaysia (Sabah and Sarawak), depending on your location and courier availability. You will receive a tracking number once your order has been dispatched.

Q7: Is my order packaged discreetly? 
Absolutely. We understand that privacy is important to our customers. All orders are shipped in plain, unmarked packaging with no indication of the contents on the outside of the parcel. Your personal information is also handled with strict confidentiality.

Q8: What payment methods do you accept for online orders?
We accept a variety of secure payment options including online banking (FPX), credit and debit cards, and selected e-wallet platforms commonly used in Malaysia. All transactions are processed through a secure payment gateway to protect your financial information.

Prescription & Safety

Q9: Do I need to upload a prescription when ordering Cialis 20mg online from your pharmacy?
Yes, as a responsible and licensed pharmacy, we require a valid prescription from a registered Malaysian doctor before dispensing Cialis 20mg Tablet. This is for your safety and is in line with Malaysian pharmaceutical law. If you do not have a prescription, we can advise you on how to consult a doctor through our recommended telehealth partners.

Q10: Is it safe to order prescription medicine online in Malaysia? 
It is safe when you order from a licensed and regulated online pharmacy. Our pharmacy is registered and operates under the guidelines of the Pharmacy Board Malaysia and relevant health authorities. We strongly advise against purchasing prescription medicines from unverified online sellers, as this poses serious health and safety risks.

Storage & Handling After Delivery

Q11: How should I store Cialis 20mg Tablet after receiving my delivery?
Once you receive your order, store the tablets at room temperature (15°C to 30°C) in a cool, dry place away from direct sunlight and moisture. Do not store them in the bathroom or in areas with high humidity. Keep them in their original blister packaging until you are ready to take them.

Q12: What should I do if my tablets arrive damaged or if the packaging appears tampered with?
If you receive a damaged or tampered product, please do not take the medication and contact our customer service team immediately. We will arrange for a replacement or refund in accordance with our returns and quality assurance policy. Your safety is our top priority.

Q13: Can I return or exchange Cialis 20mg Tablet if I change my mind after purchasing? 
Due to the nature of pharmaceutical products and strict hygiene and safety regulations, medicines generally cannot be returned or exchanged once they have been dispensed and delivered. However, if there is a quality issue or an error in your order, please reach out to our customer support team and we will do our best to resolve the matter promptly.

Q14: How do I contact your pharmacy if I have questions about my Cialis 20mg order? 
You can reach our friendly customer support team via WhatsApp, email, or our website's live chat feature. Our team includes trained pharmacy staff who can assist you with order inquiries, prescription guidance, and general product questions — all while maintaining your privacy and confidentiality.

Similar Products
Frequently Bought Together

Brands

Eli Lilly

Active Ingredient

tadalafil 

Manufactured by

Eli Lilly

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.

Low blood pressure, Chest pain, Headache, Palpitations, Vision loss, Ringing of the ear, Limbs swelling, Dizziness

Warning Precautions

Alcohol Warning (Not Advisable)

It is not advisable to consume alcohol together with Cialis 20mg Tablet 8s as it can cause further reaction such as hypotension, dizziness and palpitations.

Pregnancy Warning (Maybe Safe)

Animal studies failed to demonstrate a direct or indirect effect on reproductive toxicity and there are inadequate human studies on the usage of Cialis 20mg Tablet 8s in pregnancy. It is, however, best avoided to use Cialis 20mg Tablet 8s unless the benefit outweigh the risks.

Breastfeeding Warning (Not Advisable)

Animals studies have shown the excretion of Cialis 20mg Tablet 8s in the breast milk. Therefore, it is advisable not to use Cialis 20mg Tablet 8s in breastfeeding women or breastfeeding alternatives should be sought if treatment of Cialis 20mg Tablet 8s is highly indicated.

Driving Warning (Generally Safe)

Cialis 20mg Tablet 8s usually does not affect the ability to drive. Do not drive unless you are feeling well.

Kidney Warning (Use With Care)

Use of Cialis 20mg Tablet 8s in renal impairment patients should be monitored closely with dose adjustment is recommended.

Liver Warning (Use With Care)

It is advisable to adjust the dose of Cialis 20mg Tablet 8s in mild to moderate hepatic impairment patients and the use of Cialis 20mg Tablet 8s is not recommended in severe liver disease.

FAQ

References

1. Michel T, Hoffman BB. Treatment of Myocardial Ischemia and Hypertension. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 752-53.

2. Katzung BG, Chatterjee K. Vasodilator & the Treatment of Angina Pectoris. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 197. Tadalafil. Basingstoke, Hampshire: Eli Lilly and Company Limited; 2008 [revised 23 March 2017]. [Accessed 22 Jan. 2019] (online) 

3. Tadalafil. Basingstoke, Hampshire: Eli Lilly and Company Limited; 2002 [revised 23 Mar. 2017]. [Accessed 04 Apr. 2019] (online)

4. Tadalafil. Indianapolis, Indiana: Eli Lilly and Company; 2007. [Accessed 04 Apr. 2019] (online) Available from:Central Drugs Standard Control Organisation (CDSCO). [Accessed 04 Apr. 2019] (online)

5. Erectile dysfunction, Diagnosis & Treatment.

6. Maiorino MI, Bellastella G, Esposito K. Lifestyle modifications and erectile dysfunction: what can be expected?. Asian J Androl. 2015;17(1):5-10. doi:10.4103/1008-682X.137687

7. Sildenafil Citrate,  Consumer medication information leaflet, Quest3 BPFK  

8. Sildenafil: medicine to treat erection problems, National Health Services

9. Udenafil,  Consumer medication information leaflet, Quest3 BPFK  

Disclaimer

Information last updated on: Mon Apr 06 2026 06:45:49 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. Cialis 20mg Tablet 8s 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.


Cialis 20mg Tablet 8s 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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