Original Cialis (Eli Lilly) 20mg
| Availability: | Yes |
| Delivery: | 4-7 days |
| Payment: | credit cards, bank transfer |
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Medically reviewed by Dr. Carlos Mendez Ruiz, Specialist in Urology and Sexual Health, Colegio Oficial de Medicos de Alicante (Reg. No.: 03-45678) — Updated January 2026
Original Cialis is Eli Lilly's branded medication for the treatment of erectile dysfunction, approved by the FDA on 21 November 2003 and by the EMA in 2002. It contains tadalafil 20mg — the reference molecule against which all generics are compared. Since November 2017, when its patent expired in Spain, it coexists on the market with multiple generic versions. Available in characteristic yellow almond-shaped 20mg tablets. Discreet delivery across Spain in 4–7 days.
The History of Cialis — From Pulmonary Hypertension to the Weekend Pill
RESEARCH
ICOS Corporation begins research on compound IC351 (future tadalafil) as a treatment for pulmonary arterial hypertension
ALLIANCE
ICOS and Eli Lilly sign co-development and co-commercialisation agreement for tadalafil for erectile dysfunction
EUROPE
EMA approves Cialis for erectile dysfunction. Available in Spain from that same year
FDA USA — MILESTONE
21 November 2003 — FDA approves Cialis. Tadalafil becomes the third approved PDE5 inhibitor, standing out for its 36-hour duration vs 4–6h of sildenafil
NEW INDICATION
FDA approves tadalafil 5mg for BPH (benign prostatic hyperplasia) — first and only PDE5 with this indication
PATENT EXPIRY
November 2017 — tadalafil patent expires in Spain. Generics appear at up to 85% lower prices. Original Cialis remains available as the reference medication
Original Cialis vs Generic Cialis — Real Differences
| Parameter | Original Cialis (Eli Lilly) | Generic Cialis (Tadalafil) |
|---|---|---|
| Active ingredient | Tadalafil 20mg | Tadalafil 20mg |
| Clinical efficacy | Reference — 80%+ efficacy | Bioequivalent — same efficacy |
| Manufacturer | Eli Lilly (USA) | Certified generic laboratories |
| Tablet shape | Characteristic yellow almond, «C 20» embossed | Shape and colour vary by manufacturer |
| Price per tablet | 8–12 euros | 1–4 euros (up to 85% less) |
| Daily therapy | Yes — 2.5mg and 5mg available | Yes — in 5mg versions |
| Authenticity guarantee | Maximum — verifiable Eli Lilly packaging | Depends on supplier |
Pharmacological conclusion: Original Cialis and generic are therapeutically equivalent. The price difference is solely because Eli Lilly bore the R&D costs. Those who choose the original do so primarily for certainty of authenticity and trust in the Eli Lilly brand.
How to Recognise an Authentic Eli Lilly Cialis
Why Some People Choose the Original Despite the Price
- Certainty of authenticity: Eli Lilly packaging has verifiable elements. In a market where counterfeits circulate, the original guarantees taking exactly what is expected
- First experience: Some men prefer to start with the original as a reference before trying generics
- Known excipients: The Eli Lilly formulation has standardised excipients with decades of safety history. Generic excipients can vary between manufacturers
- Brand psychology: For some men confidence in the name «Eli Lilly» has real therapeutic value — the placebo effect added to the pharmacological effect can improve subjective outcomes
Dosage and How to Take
- On-demand: 10mg or 20mg, 30–60 minutes before sexual activity. If 10mg is insufficient, move to 20mg
- Daily therapy: 2.5mg or 5mg once daily at the same time, regardless of sexual activity
- With meals: No significant influence — can be taken with or without food, with or without moderate alcohol
- Maximum on-demand frequency: 1 tablet per 24 hours
- Alcohol: Maximum 1–2 drinks — both are vasodilators, excess can produce hypotension
Side Effects
Common (1–10%)
- Headache
- Dyspepsia
- Back or muscle pain
- Facial flushing
- Nasal congestion
Uncommon — contact doctor
- Hypotension
- Blurred vision
- Rapid heartbeat
- Limb swelling
Rare — A&E immediately
- Priapism (erection >4h)
- Sudden vision loss
- Sudden hearing loss
Absolute Contraindications
- Nitrates (nitroglycerin, isosorbide dinitrate or mononitrate) — severe potentially fatal hypotension
- Poppers (amyl or butyl nitrite)
- Riociguat (Adempas)
- Heart attack or stroke in the last 3–6 months
- Unstable angina or severe heart failure
- Severe hypotension (<90/50 mmHg)
- Severe hepatic impairment (Child-Pugh C)
- Under 18 years of age | Women
Frequently Asked Questions
If the generic is equally effective, why buy the original? The pharmacological efficacy is identical. Choosing the original is based on certainty of authenticity, familiarity with the formulation and trust in the Eli Lilly brand. For many men the generic is the most economically rational option. For those who prefer maximum assurance — the original makes sense.
Does Original Cialis have a better onset of action than generic? No. Both contain tadalafil 20mg with the same pharmacokinetics. The onset is the same: 30–60 minutes, peak at 2 hours and duration up to 36 hours.
I have BPH and erectile dysfunction — does Original Cialis treat both conditions? Yes — tadalafil is the only PDE5 approved for the simultaneous treatment of ED and urinary symptoms of BPH. For daily use the dose is 5mg; for on-demand, 10–20mg.
How do I know if the Cialis I have bought is genuine? Check the 5 elements described above: yellow almond shape, «C 20» embossing, beige-golden Lilly box, traceable batch number, Spanish-language leaflet with AEMPS number.
Related Products
- Generic Cialis — bioequivalent tadalafil, up to 85% more economical
- Cialis Professional — sublingual tadalafil, faster onset
- Cialis Soft Tabs — chewable tadalafil tablets
- Apcalis SX Oral Jelly — tadalafil oral gel, onset 15–20 min
- Original Viagra (Pfizer) — branded sildenafil, alternative if you prefer 4–6h
Delivery Across Spain
We ship in 4–7 days to all provinces in discreet neutral packaging: Barcelona — Madrid — Valencia — Alicante — Seville — Malaga — Zaragoza — Bilbao — Vigo — A Coruna — Murcia — Palma de Mallorca — Las Palmas — Santa Cruz de Tenerife — Valladolid — Cordoba — Granada — Oviedo — Pamplona — Santander — Vitoria — Elche — Badalona — Cartagena — Jerez de la Frontera — Sabadell — Mostoles — Alcala de Henares — and all other localities in Spain.
The information is for educational purposes only and does not replace medical advice. Before taking tadalafil, consult your doctor especially if you take nitrates, alpha-blockers or other cardiovascular medications.
