Product Introduction
Name:Cialis(Tadanafil)
Product Benefits:Improve erection and have long-lasting effects
CAS:171596-29-5
Capacity:20mg*100/bottle
Product Form:Tablets
Shelf Life:5Years(The product packaging date shall prevail)
Introduction of Cialis (Tadanafil)
Cialis (Tadanafil), generically known as tadalafil, is a phosphodiesterase 5 (PDE5) inhibitor, mainly used to treat male erectile dysfunction (ED). The following is a detailed introduction to Cialis (Tadanafil):
1. Drug properties
Chemical name: 6-(1,3-benzodioxolan-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-(6R,12aR)-pyrazino[1'2':1,6]pyridino[3,4-b]indole-1,4-dione.
Molecular formula: C22H19N3O4
Molecular weight: 389.41
Appearance: The drug is light orange to yellow, almond-shaped, and tablets of different specifications (2.5mg, 5mg, 10mg, 20mg) are marked with corresponding words.
2. Pharmacological action
Tadalafil is a selective reversible inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase 5 (PDE5).
When sexual stimulation leads to the local release of nitric oxide, PDE5 is inhibited by tadalafil, which increases the level of cGMP in the corpus cavernosum of the penis. This leads to relaxation of smooth muscles, blood flow into the penile tissue, and erection. If there is no sexual stimulation, the drug may not exert its effect.
3. Indications
It is mainly used to treat male erectile dysfunction (ED).
It can also be used to treat the symptoms and signs of erectile dysfunction (ED) combined with benign prostatic hyperplasia (BPH).
4. Dosage and administration
The use of Cialis (tadalafil) is not affected by food.
For most patients, the recommended starting dose for on-demand use is 10 mg, taken before sexual intercourse. Depending on individual efficacy and tolerability, the dose can be increased to 20 mg or reduced to 5 mg. The maximum frequency of medication is once a day.
The recommended starting dose for once-daily use is 2.5 mg, taken at approximately the same time each day, regardless of when sexual intercourse occurs. Depending on individual efficacy and tolerability, the dose can be increased to 5 mg.
5. Precautions
Cialis (tadalafil) is not suitable for all men, especially those with cardiovascular disease, hypotension, severe liver or kidney disease, and should be used with caution under the guidance of a doctor.
It is strictly forbidden to use it in combination with any form of nitrate drugs, as this will significantly enhance the antihypertensive effect of nitrates and may cause severe hypotension.
For patients who are currently taking alpha-blockers, Cialis (tadalafil) should be started after reaching a stable state and start at the lowest recommended dose.
If an erection lasts for more than 4 hours or longer, seek medical attention immediately, as this may lead to damage to penile tissue and permanent loss of erectile ability.
6. Adverse reactions
In clinical trials, common adverse reactions of Cialis (tadalafil) include headache, indigestion, back pain, myalgia, nasal congestion, flushing, and limb pain. These reactions are usually transient, mild or moderate.
If you experience severe adverse reactions such as sudden loss of vision or hearing loss, seek medical attention immediately.
How Cialis (Tadanafil) works
Cialis (Tadanafil), also known as tadalafil, is a cyclic guanosine monophosphate-specific phosphodiesterase 5 (PDE5) inhibitor with the advantages of high selectivity, rapid onset, and long half-life. It is mainly used to treat male erectile dysfunction (ED). The following is the specific mechanism of Cialis (Tadanafil)'s effect:
1. Principle of action
Cialis (Tadanafil) inhibits the activity of the PDE5 enzyme, thereby reducing the hydrolysis of cyclic guanosine monophosphate (cGMP) and increasing the level of cGMP in the corpus cavernosum of the penis. When sexual stimulation leads to the local release of nitric oxide (NO), PDE5 is inhibited by tadalafil, which in turn promotes the relaxation of penile vascular smooth muscle, increases blood flow to the corpus cavernosum of the penis, and helps men achieve and maintain erections.
2. Usage and dosage
Applicable population: Cialis (Tadanafil) is suitable for adult men, especially those whose sexual life is affected by erectile dysfunction.
Dosage: The recommended dose is 10 mg, which should be taken before sexual intercourse and is not affected by food. If the effect of taking 10mg is not significant, you can take 20mg. However, the maximum frequency of taking the drug is once a day, and it is best not to take it continuously every day, because the safety of long-term use has not yet been determined.
Time of taking: It can be taken at least 30 minutes before sexual intercourse. The effect of tadalafil often lasts for more than one day, so it is not necessary to take it before every sexual intercourse.
3. Drug interactions and contraindications
Drug interactions:
Tadalafil is mainly metabolized by CYP3A4, so when used in combination with CYP3A4 inhibitors such as ketoconazole and ritonavir, the blood concentration of tadalafil may be increased, thereby increasing the incidence of adverse reactions.
Tadalafil can enhance the antihypertensive effect of nitrate drugs, so patients who are taking any form of nitrate drugs are prohibited from taking this product.
Contraindications:
People who are allergic to tadalafil and its prescription ingredients are prohibited.
Patients with cardiovascular diseases (such as myocardial infarction, unstable angina, refractory arrhythmias, hypotension, etc.) should use it with caution or prohibit it.
4. Precautions
Before taking Cialis (Tadanafil), a comprehensive physical examination should be performed to determine whether erectile dysfunction exists and its possible causes.
Patients should maintain a healthy lifestyle, including a balanced diet, moderate exercise, and regular work and rest, which can help improve erectile function.
If any discomfort or abnormal reaction occurs during the use of Cialis (Tadanafil), you should seek medical attention immediately and inform your doctor of the medication you are taking.
5. Possible side effects
Cialis (Tadanafil) has a good overall safety profile, but some side effects may also occur, such as dizziness, facial flushing, indigestion, nasal congestion, back and muscle pain, etc. These side effects are usually short-lived, mild or moderate, and gradually disappear after discontinuation of the drug.
Cialis (Tadanafil) dosage and periodicity
Cialis (Tadanafil), also known as tadalafil, is a drug for treating male erectile dysfunction and is a second-generation phosphodiesterase 5 (PDE5) inhibitor. The following is a detailed answer to the dosage, cycle and other related information of Cialis (Tadanafil):
1. Dosage
Initial dose:
The recommended initial dose is usually 10 mg.
Dose adjustment:
Depending on individual response and doctor's advice, the dose can be increased to 20 mg, or reduced according to specific circumstances.
Special population:
For the elderly, patients with impaired liver and kidney function or other comorbidities, the dosage may need to be adjusted accordingly. These patients should use Cialis (Tadanafil) under the guidance of a doctor.
2. Cyclic
Single use:
Cialis (Tadanafil) can be used once when needed, that is, taken on demand.
Daily use:
For patients who need continuous treatment, doctors may recommend using it once a day, but the specific dosage and cycle should be determined according to the patient's specific situation and doctor's advice.
3. Other precautions
Onset time:
Cialis (Tadanafil) usually takes effect quickly, within about 15 to 30 minutes, and the effect can last for 36 hours or even longer (up to 48 hours or more).
Dietary taboos:
When taking Cialis (Tadanafil), you should avoid drinking alcohol, drinking strong tea, and eating spicy foods, which may affect the absorption and effect of the drug.
Drug interactions:
When taking Cialis (Tadanafil), you should inform your doctor of other drugs you are using, especially nitrates, because these drugs may interact with Cialis (Tadanafil) and increase the risk of adverse reactions.
Contraindications:
Cialis (Tadanafil) is contraindicated in patients with angina pectoris, heart disease, uncontrolled hypertension or hypotension, and patients who have had a stroke in the past 6 months.
Adverse reactions:
After taking Cialis (Tadanafil), adverse reactions such as headache and indigestion may occur. However, according to research reports, the incidence and severity of these adverse reactions were not significantly different from placebo.
Storage Conditions:
Cialis (Tadanafil) should be stored in a cool, dry place away from direct sunlight and high temperatures.
Advantages and Applications of Cialis (Tadanafil)
Cialis (Tadanafil), also known as tadalafil, is a selective reversible inhibitor of phosphodiesterase 5 (PDE5), mainly used to treat erectile dysfunction (ED) in men. Here are the main benefits of Cialis (Tadalafil):
Improved erectile function:
Tadalafil inhibits the PDE5 enzyme and increases the release of nitric oxide in the corpus cavernosum of the penis, thereby promoting blood flow into the penis and helping men achieve and maintain an erection.
Suitable for adult men, especially those whose sexual life is affected by erectile dysfunction.
Long-lasting effect:
Tadalafil has a relatively long effect, which can last for 36 hours, providing men with a more flexible time window for sexual life.
Flexible usage:
Tadalafil can be taken before sexual intercourse or once a day. The specific usage and dosage should be based on personal circumstances and doctor's advice.
It can be taken with or without food and is not affected by eating.
Relatively high safety:
Clinical trials have shown that the side effects caused by tadalafil are usually transient, mild or moderate.
However, please note that tadalafil is not suitable for all men, especially those with cardiovascular disease, low blood pressure, severe liver or kidney disease, and should be used with caution under the guidance of a doctor.
Improve quality of life:
By improving erectile function, Cialis (tadalafil) helps improve the quality of men's sexual life and self-confidence, which may have a positive impact on the overall quality of life.
Please note that although Cialis (tadalafil) has the above benefits, it is not an aphrodisiac and should not be used as a daily supplement. When using it, you should strictly follow the doctor's advice and medication instructions to ensure safety and effectiveness. At the same time, maintaining a healthy lifestyle, including a balanced diet, moderate exercise, regular work and rest, etc., can also help improve erectile function and improve quality of life.
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FAQ
Q: What is Cialis (Tadanafil)?
A: Cialis (Tadanafil), also known as Cialis or tara fil, is a phosphodiesterase 5 (PDE5) inhibitor. It is mainly used to treat male erectile dysfunction (ED) by inhibiting the PDE5 enzyme, increasing the release of nitric oxide in the corpus cavernosum of the penis, thereby promoting blood flow into the penis and helping men achieve and maintain an erection.
Q: How is Cialis (Tadanafil) different from Viagra?
A: Compared with Viagra (sildenafil), Cialis (Tadanafil) has some advantages. First, Cialis has relatively few side effects, mainly manifested as mild headaches or muscle soreness after the first use, while Viagra may cause blue fantasies or flushing side effects. Second, Cialis has a theoretically faster onset of action and a long duration of efficacy, up to more than 48 hours, while Viagra's efficacy is usually only 4-6 hours. Finally, Cialis takes a relatively small amount of time to take effect, generally only 20-25 mg, while Viagra usually requires 50-100 mg.
Q: What is the dosage of Cialis (Tadanafil)?
A: The dosage of Cialis (Tadanafil) should be based on personal circumstances and the doctor's advice. Generally speaking, it is suitable for adult men, especially those whose sexual life is affected by erectile dysfunction. The specific dosage may vary depending on factors such as product dosage form and route of administration. It is usually recommended to use it on an empty stomach, avoid drinking alcohol, strong tea and spicy food, and it is best to use it under sexual stimulation.
Q: Which groups of people are not suitable for using Cialis (Tadanafil)?
A: Not all men are suitable for using Cialis (Tadanafil). Especially those with cardiovascular disease, hypotension, severe liver or kidney disease should use it with caution under the guidance of a doctor. In addition, patients who are allergic to Cialis or its ingredients should also avoid using it. Before using any medication, always consult a professional doctor.
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