Written by Pedro Brugada
Last Updated on May 28, 2026
Cialis Professional is a tadalafil-based medication used to support erectile function in adult men. It is intended for the treatment of erectile dysfunction, a condition in which a man has difficulty achieving or maintaining an erection sufficient for sexual activity.
The active ingredient, tadalafil, helps improve blood flow to the penis during sexual stimulation. This may support a stronger, more stable, and longer-lasting erection. Cialis Professional works only when sexual arousal is present and does not cause an erection automatically.
This information is provided for educational purposes only and should not replace medical advice. Before using Cialis Professional, consult a healthcare professional, especially if you have heart disease, blood pressure problems, liver or kidney disorders, or take other medications.
Indications
Cialis Professional is used for the treatment of erectile dysfunction in adult men. It may help improve the quality of sexual activity by supporting a natural erectile response during sexual stimulation.
The medication may be suitable for men who experience difficulty achieving or maintaining an erection. By improving blood circulation in the pelvic area, Cialis Professional can help create the conditions needed for a firm and lasting erection.
Important: Cialis Professional works only when a man is sexually aroused. Without sexual stimulation, the medication will not produce an erection.
How Cialis Professional Works
The main active ingredient in Cialis Professional is tadalafil. Tadalafil belongs to a group of medicines known as phosphodiesterase type 5 inhibitors, or PDE-5 inhibitors.
During sexual stimulation, nitric oxide is released in the penile tissue. This process helps increase the level of cyclic guanosine monophosphate, also known as cGMP. As cGMP levels rise, the smooth muscles in the blood vessels of the penis relax, allowing increased blood flow into the cavernous bodies.
Tadalafil helps maintain this process by blocking the PDE-5 enzyme, which normally breaks down cGMP. As a result, blood flow to the penis may improve, making it easier to achieve and maintain an erection during sexual activity.
Method of Administration and Dosage
The appropriate dosage should be determined by a healthcare professional. The commonly recommended maximum dose of Cialis Professional is 20 mg.
The medication should not be taken more than once per day. It is usually taken before planned sexual activity. According to the product description, Cialis Professional may begin to work in as little as 16 minutes, although the onset time can vary from person to person.
The tablet should be swallowed whole with a small amount of water. After taking the medication, sexual activity may be attempted at any time within the period of action, which may last up to 36 hours.
Cialis Professional helps achieve an erection only in the presence of sexual stimulation. If the medication does not help you achieve an erection, or if the erection does not last long enough for satisfactory intercourse, consult a doctor.
| Dosage | Quantity | Price | Price per Pill |
|---|---|---|---|
| 20 mg | 10 pills | $36.99 | $3.70 |
| 20 mg | 20 pills | $61.99 | $3.10 |
| 20 mg | 30 pills | $83.99 | $2.80 |
| 20 mg | 60 pills | $152.99 | $2.55 |
| 20 mg | 90 pills | $208.99 | $2.32 |
| 20 mg | 120 pills | $252.99 | $2.11 |
| 40 mg | 10 pills | $43.99 | $4.40 |
| 40 mg | 20 pills | $73.99 | $3.70 |
| 40 mg | 30 pills | $100.99 | $3.37 |
| 40 mg | 60 pills | $183.99 | $3.07 |
| 40 mg | 90 pills | $249.99 | $2.78 |
| 40 mg | 120 pills | $303.99 | $2.53 |
Note: Prices may vary depending on availability, shipping options, and current promotions.
Food and Alcohol
Heavy or fatty meals may delay the onset of action in some people. For this reason, it may be preferable to avoid very fatty foods before taking the medication.
Alcohol may increase the risk of side effects such as dizziness, flushing, headache, and low blood pressure. Although moderate alcohol intake may not completely block the effect of tadalafil, it is generally safer to limit or avoid alcohol when using Cialis Professional.
Possible Side Effects
Cialis Professional is generally well tolerated, but side effects may occur. They are usually mild or moderate and may be more noticeable during the first use.
Common side effects may include:
- Headache
- Facial flushing
- Lower back discomfort
- Nasal congestion or mild rhinitis
- Nausea
- Visual disturbances
- Muscle aches
If side effects are severe, persistent, or unusual, stop using the medication and consult a healthcare professional.
Seek urgent medical attention if you experience chest pain, fainting, sudden vision or hearing loss, a severe allergic reaction, or an erection lasting longer than 4 hours.
Contraindications
Cialis Professional should not be used in the following cases:
- Allergy or hypersensitivity to tadalafil or any component of the medication
- Age under 18 years
- Recent heart attack or stroke
- Severe cardiovascular disease
- Severe kidney or liver impairment
- Uncontrolled high or low blood pressure
- A medical restriction against sexual activity
- Priapism or a history of prolonged erections
- Anatomical deformity of the penis
- Peyronie’s disease
- Use of nitrates or nitric oxide donors
Patients over 65 years of age, as well as people with chronic health conditions, should use tadalafil only under medical supervision.
Overdose
Taking more than the recommended dose may significantly increase the risk of side effects. In case of suspected overdose, seek medical assistance.
Treatment usually involves standard supportive measures. Hemodialysis does not significantly accelerate the elimination of tadalafil from the body.
Pregnancy and Breastfeeding
Cialis Professional is not intended for use in women. It is not indicated during pregnancy or breastfeeding.
Drug Interactions
Before using Cialis Professional, tell your doctor about all medications, supplements, and herbal products you are taking.
Tadalafil may interact with certain medications, especially nitrates and nitric oxide donors. Combining tadalafil with these drugs can cause a dangerous drop in blood pressure and is contraindicated.
Cialis Professional should not be used together with other medications for erectile dysfunction unless specifically recommended by a healthcare professional.
Possible interactions may occur with:
- Nitrates
- Nitric oxide donors
- Alpha-blockers
- Blood pressure medications
- Certain antifungal drugs
- Certain antibiotics
- HIV protease inhibitors
- Other erectile dysfunction medications
Special Precautions
Before taking Cialis Professional, consult a doctor if you have or have had:
- Severe liver disease
- Kidney disease
- Myocardial infarction within the last 90 days
- Stroke within the last 6 months
- Unstable angina
- Angina during sexual activity
- Chronic heart failure
- Uncontrolled heart rhythm disorders
- Low blood pressure
- Uncontrolled high blood pressure
- Sickle cell anemia
- Multiple myeloma
- Leukemia
- A predisposition to priapism
- Anatomical deformity of the penis, including angulation, cavernous fibrosis, or Peyronie’s disease
A medical evaluation is recommended before starting treatment for erectile dysfunction, especially in patients with cardiovascular risk factors.
FAQ
What is Cialis Professional used for?
Cialis Professional is used to support erectile function in adult men with erectile dysfunction. It may help achieve and maintain an erection during sexual stimulation.
What is the active ingredient in Cialis Professional?
The active ingredient is tadalafil, a PDE-5 inhibitor that helps improve blood flow to the penis.
How quickly does Cialis Professional work?
According to the product description, the medication may begin to work in as little as 16 minutes. However, the onset time may vary depending on individual factors.
How long does the effect last?
The effect of tadalafil may last up to 36 hours. This does not mean that an erection will last continuously for 36 hours. The medication supports erectile function when sexual stimulation occurs.
Does Cialis Professional cause an erection automatically?
No. Sexual arousal is required. Cialis Professional supports the natural erectile response but does not create an erection without stimulation.
Can I take Cialis Professional every day?
The medication should not be taken more than once per day. The appropriate frequency of use should be determined by a healthcare professional.
Can Cialis Professional be taken with alcohol?
Alcohol should be limited or avoided. It may increase the risk of dizziness, headache, flushing, and low blood pressure.
Can I take Cialis Professional with food?
Yes, but heavy or fatty meals may delay the onset of action in some people.
Can Cialis Professional be combined with nitrates?
No. Tadalafil must not be combined with nitrates or nitric oxide donors because this may cause a dangerous drop in blood pressure.
Is Cialis Professional safe for everyone?
No. It may not be suitable for people with serious heart disease, recent stroke or heart attack, uncontrolled blood pressure, severe liver or kidney problems, or those taking interacting medications.
When should I seek urgent medical help?
Seek urgent medical attention if you experience chest pain, fainting, sudden vision or hearing loss, a severe allergic reaction, or an erection lasting more than 4 hours.
Safety Notice
Cialis Professional should be used responsibly and only after considering possible contraindications, side effects, and drug interactions. If you have any medical condition or take prescription medication, consult a healthcare professional before use.