Tadalista CT (Tadalafil): Patient Information for Australia
Basic Product Information
| International Non-Proprietary Name (INN) | Tadalafil |
|---|---|
| Common Australia Brand Names | Cialis®, Tadalista CT* (international), Adcirca® (for pulmonary hypertension) |
| Anatomical Therapeutic Chemical (ATC) Code | G04BE08 |
| Available Forms & Strengths | Oral tablets: 2.5 mg, 5 mg, 10 mg, 20 mg (including orally disintegrating/chewable tablets) |
| Notable Manufacturers | Centurion Laboratories, Eli Lilly Australia Pty Ltd (Cialis), others |
| Prescription Status (Australia) | Prescription Only Medicine (Schedule 4, S4) |
*Tadalista CT is not currently registered on the Australian Register of Therapeutic Goods (ARTG), but Tadalafil is available under other brands (e.g., Cialis®).
Mechanism of Action
For patients (in simple terms): Tadalista CT contains tadalafil, which works by relaxing blood vessels in specific areas of your body. This increases blood flow to the penis during sexual arousal, helping to achieve and maintain an erection. It can also relax the muscle walls of blood vessels in your lungs (helpful in pulmonary arterial hypertension).
For specialists: Tadalafil is a selective, reversible inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). By inhibiting PDE5, tadalafil increases cGMP levels, resulting in smooth muscle relaxation and increased blood flow in the corpus cavernosum, as well as pulmonary vasculature.
Pharmacokinetics
- Oral Absorption: Well absorbed; bioavailability ≈ 80% (not significantly altered by meals).
- Time to Peak: 30 minutes to 2 hours after ingestion.
- Metabolism: Primarily hepatic via CYP3A4 enzymes.
- Elimination: Mainly via faeces (~61%) and urine (~36%).
- Half-life: Approximately 17.5 hours—much longer than sildenafil (Viagra).
- Duration of Effect: Up to 36 hours ("The weekend pill" effect).
Use in Everyday Life & Best Practices (Australia)
Tadalista CT is primarily used to treat erectile dysfunction (ED) and, at different doses, benign prostatic hyperplasia (BPH) and pulmonary arterial hypertension (PAH). Australians often prefer discrete and convenient medication; chewable formats (like Tadalista CT) may be an option for those who have difficulty swallowing pills.
- Common dosing for ED: 10 mg before anticipated sexual activity, not more than once daily.
- Daily dosing regimen: 2.5 mg to 5 mg once a day, regardless of when sexual activity is planned.
- For BPH and ED: 5 mg once daily.
- Always follow your prescriber's specific advice.
Tip: Tadalafil is not intended for continuous use without medical review. Always discuss ongoing use or repeated dosing with your doctor or pharmacist.
Dosing: Morning vs Evening
- Morning Use: May be preferred by some for spontaneous activity throughout the day. Minimises risk of late-night heartburn.
- Evening Use: May align with typical planned sexual activity.
- Daily dosing: Take at a consistent time every day to maintain even levels.
Pharmacist's tip: Choose a time that best fits your routine so you don’t forget your dose. If you’re unsure, ask your pharmacist—it’s quite common for Australians to take it after breakfast.
Taking With Food or on an Empty Stomach
- Tadalafil absorption is not significantly affected by food.
- You may take Tadalista CT with or without meals (including typical English/Australian meals such as breakfast cereals, sandwiches, grilled meats, or a cup of tea).
- High-fat meals may delay onset by a small margin but do not reduce effect.
Interaction Warnings
| Interaction | Risk/Advice |
|---|---|
| Nitrates (angina meds - GTN, isosorbide) | Severe & dangerous drop in blood pressure. Never combine. |
| Alpha-blockers (for high blood pressure or prostate) | Risk of dizziness or fainting; use with caution. |
| Alcohol | Increases risk of low blood pressure and dizziness. Limit to moderate intake (≤2 standard drinks). |
| Grapefruit or grapefruit juice | May increase tadalafil levels; avoid regular grapefruit products. |
| CYP3A4 inhibitors (e.g., ketoconazole, ritonavir) | Can increase the effect/side effects of tadalafil. Dose reduction may be required. |
| Other PDE5 inhibitors (e.g., sildenafil, vardenafil) | Do not use together. No added benefit, increased side effect risk. |
Indications
| Official Indication | Typical Doses | Notes |
|---|---|---|
| Erectile Dysfunction (ED) | 10 mg (as needed) or 2.5–5 mg (daily) | Not for use in under 18s |
| Benign Prostatic Hyperplasia (BPH) | 5 mg once daily | Can also be used in men with both BPH and ED |
| Pulmonary Arterial Hypertension (PAH) | 40 mg once daily (specialist management) | Under Adcirca® brand; hospital/specialist use |
Off-label uses: Under medical supervision, may be considered in some rare vascular conditions, but not routinely recommended.
Dosing According to Clinical Indication
| Indication | Adults (18–64 yrs) | Aged >65 yrs | Paediatric |
|---|---|---|---|
| ED (as needed) | 10 mg before anticipated sexual activity (max 20 mg in 24h) | Start at 5 mg, monitor | Not recommended |
| ED (daily use) | 2.5–5 mg once daily | Same as adults, start low | Not recommended |
| BPH | 5 mg once daily | Same as adults, monitor renal/hepatic function | Not recommended |
| PAH | 40 mg once daily | Specialist advice required | Specialist advice required |
Renal or hepatic impairment: Dose reduction or avoidance may be needed. Please consult your doctor.
Safety Profile & Side Effects
| Frequency | Side Effect | Advice |
|---|---|---|
| Very common | Headache, indigestion | Usually mild & self-limiting |
| Common | Back pain, muscle aches, nasal congestion, flushing | If troublesome, report to your GP |
| Uncommon | Dizziness, blurred vision, palpitations | Avoid driving if affected |
| Rare | Priapism (erection >4 hrs), hearing or vision loss, severe allergic reaction | Seek immediate medical help |
Warnings: Not suitable for men with severe heart disease, recent stroke or heart attack, or those taking nitrates. Always disclose all medications to your prescriber or pharmacist.
Guidelines for Proper Use (Pharmacist/Clinic Advice)
- Only take your prescribed dose. Never take more than one dose per 24 hours unless advised.
- If you forget your daily dose, take it as soon as you remember. If it's almost time for your next dose, skip the missed dose—do not double-up.
- Store below 25°C, in the original packaging, out of sight of children.
- Talk openly with your healthcare provider about effectiveness and any concerns or side effects.
- Maintain a healthy lifestyle: quit smoking, exercise regularly, and moderate alcohol as advised.
Alternative Treatment Options (Australia)
- Sildenafil (Viagra®, generic): Faster onset; shorter action (4–6 hrs); PBS listed for specific conditions.
- Vardenafil (Levitra®): Similar to sildenafil—may cause less dyspepsia; not routinely subsidised.
- Avanafil (Spedra®): Fast onset; also prescription only.
- Non-drug therapies: Penile pumps, counselling (especially for psychological ED), vacuum devices, or injectable therapies.
Pros & cons: Tadalafil is preferred for its long duration, but some may find shorter-acting drugs easier to control. Consult your GP to find what works best for you.
Legal, Registration, and Reimbursement Status in Australia
- Regulatory Registration: Tadalafil (as Cialis®, Adcirca®) is registered on the Australian Register of Therapeutic Goods (ARTG).
- Tadalista CT: Not currently ARTG-registered. Discuss with your pharmacist or doctor if you have been offered international brands or if purchasing online.
- Legal Status: Prescription only (S4). Pharmacist supply requires a valid prescription.
- PBS (Pharmaceutical Benefits Scheme): Subsidies are available for PAH and some other conditions, but NOT for routine ED in most cases (self-funded for ED).
Note: Never purchase medicines from unverified online sources; risk of counterfeit products is significant.
Latest Research & Clinical Guidance (2022–2025)
- The 2023 Australian Therapeutic Guidelines: Sexual health and men’s health recommend tadalafil as a safe, effective first-line oral therapy for ED and BPH symptoms (Therapeutic Guidelines Ltd, Melbourne).
- Recent international consensus (2024) confirms tadalafil is suitable both for “on-demand” and daily use regimens. Daily therapy has the potential benefit of less planning and improved sexual spontaneity (Salonia et al., European Urology, 2024).
- Drug safety monitoring studies continue to affirm tadalafil’s favourable safety and cardiovascular profile in appropriately screened adult men; rare cases of hearing/vision loss reviewed by the TGA in 2022 found no change in safety recommendations (TGA Medicines Safety Update, 2022).
Availability and Delivery
| Pack Size | Typical Content | Indicative Consumer Price† |
|---|---|---|
| 4 tablets | 10 mg, 20 mg | $25–$50 |
| 8 tablets | 5 mg, 10 mg, 20 mg | $45–$80 |
| 28 tablets | 2.5 mg, 5 mg (daily) | $95–$200 |
Australia-wide pharmacy delivery times (indicative):
- Sydney, Melbourne, Brisbane: Next working day
- Adelaide, Canberra, Gold Coast: 1–2 working days
- Perth, Darwin, Hobart: 2–3 working days
- Regional and remote areas: Up to 5 working days
FAQ – Common Patient Questions
- 1. Can I use Tadalista CT with other medicines for erectile dysfunction?
Answer: No. Taking more than one PDE5 inhibitor increases the risk of serious side effects without added benefit. Always use only one medicine as prescribed. - 2. Can I take Tadalista CT every day?
Answer: Daily dosing (usually 2.5 or 5 mg) is appropriate for some patients. Check with your doctor if this is suitable for you and do not adjust your dose without medical advice. - 3. Will Tadalista CT cause an erection without sexual stimulation?
Answer: No. Tadalafil requires sexual arousal to work—it does not automatically trigger an erection. - 4. Is it safe to drink alcohol when taking Tadalista CT?
Answer: Small to moderate amounts are generally safe, but excess alcohol increases the risk of side effects such as low blood pressure and fainting. It's best not to exceed two standard drinks. - 5. If I have heart problems or take blood pressure medicines, can I use this?
Answer: You must check with your doctor. Never use tadalafil with nitrates or certain BP drugs. Your GP will assess if tadalafil is safe for you.
For more detailed advice about tadalafil or its Australian brands, speak with your GP or an accredited pharmacist. For issues with supply, adverse effects, or medical emergencies, contact your local health service or call 000 if urgent.
