Description
Fildena Professional 100 is a tablet containing 100mg of sildenafil citrate. Sildenafil is a category of drug called phosphodiesterase type 5 inhibitors (or PDE5 inhibitors). It is used in adult men to treat erectile dysfunction (impotence; inability to get or keep an erection hard enough for sexual activity). In Canada, sildenafil is a prescription drug and should be used only after clinical evaluation. Health Canada recommends that sexual enhancement products be approved for sale in Canada and examined for valid identifiers such as a Drug Identification Number, or DIN, when appropriate.What is Fildena Professional 100?
Fildena Professional 100 is a sildenafil citrate tablet associated with the treatment of erectile dysfunction. Sildenafil is not a hormone, testosterone product, stimulant, or aphrodisiac. It helps support the natural erectile response only when sexual stimulation occurs. In healthcare practice, sildenafil is generally considered after a clinician reviews the patient’s cardiovascular health, blood pressure, current medicines, sexual health history, and possible causes of erectile dysfunction. For Canadian use, patients and website owners should also verify whether a specific branded product is authorized for sale in Canada rather than assuming all sildenafil-containing products are equivalent.How Sildenafil Citrate Works
Sildenafil works by blocking the PDE5 enzyme. This enzyme normally breaks down cyclic guanosine monophosphate, often called cGMP. cGMP helps relax smooth muscle and widen blood vessels in erectile tissue. NO signalling raises cGMP levels during sexual stimulation. This increases blood flow into the penis to assist maintain an erection. Sildenafil does not produce an immediate erection and does not improve sexual desire. Its main effect is vascular, which is why heart health, blood pressure and interfering drugs are key safety considerations.Medical Uses of Fildena Professional 100
- Erectile dysfunction: Sildenafil is used in adult men who have difficulty achieving or maintaining an erection suitable for sexual activity.
- Erectile dysfunction with vascular risk factors: It may be considered after medical assessment in people with diabetes, hypertension, or circulation-related contributors.
- Pulmonary arterial hypertension — sildenafil ingredient only: Sildenafil is also used in separate specialist-prescribed formulations for pulmonary arterial hypertension, but Fildena Professional 100 should not be substituted for those products.
Who Should Not Use This Medicine
Sildenafil can cause unsafe blood pressure changes in certain people, especially when combined with nitrates or other medicines that affect blood vessel tone. It should not be used without medical supervision.Do NOT use if you have:
- Current use of nitrates such as nitroglycerin, isosorbide mononitrate, or isosorbide dinitrate
- Use of recreational nitrites, sometimes called “poppers”
- Use of riociguat or another guanylate cyclase stimulator
- Known allergy to sildenafil or any tablet ingredient
- Previous non-arteritic anterior ischaemic optic neuropathy, also called NAION
- Severe or unstable heart disease unless cleared by a healthcare professional
- Very low blood pressure or uncontrolled high blood pressure
- A medical condition where sexual activity has been advised against
Dosage and Administration
Fildena Professional 100 should be taken only as directed by a qualified healthcare professional. Sildenafil dosage depends on age, overall health, liver function, kidney function, current medicines, and response to treatment. For erectile dysfunction, Canadian sildenafil product information commonly describes 50 mg as a usual starting dose for many patients and 100 mg as the maximum recommended dose. A lower dose may be considered for older adults, people with hepatic impairment, people with severe renal impairment, or patients taking medicines that increase sildenafil exposure. The tablet is taken by mouth. Do not take extra tablets or combine sildenafil with other erectile dysfunction medicines unless a prescriber specifically instructs you to do so.Important dosage tips
- Do not take more than one sildenafil dose within 24 hours unless medically directed.
- Sildenafil is commonly taken before sexual activity, but timing should follow the prescription label.
- A high-fat meal may delay the onset of effect.
- If used as needed, there is usually no regular missed-dose schedule.
- Seek urgent medical care if an erection lasts longer than 4 hours.
Side Effects
Sildenafil may cause side effects even when taken correctly. Some are mild and temporary, while others require urgent medical attention.Common side effects
- Headache
- Facial flushing
- Dizziness
- Indigestion or stomach discomfort
- Nasal congestion
- Nausea
- Back pain or muscle aches
- Temporary visual changes, such as light sensitivity or colour tinge
Serious side effects
- Chest pain, chest pressure, or fainting
- Sudden vision loss or major vision change
- Sudden hearing decrease, ringing in the ears, or vertigo
- Erection lasting longer than 4 hours
- Severe allergic reaction with swelling, rash, or breathing difficulty
- Symptoms of heart attack or stroke, such as one-sided weakness, trouble speaking, severe shortness of breath, or crushing chest pain
Warnings and Precautions
Pregnancy warning: Fildena Professional 100 is intended for erectile dysfunction in adult men. It is not indicated for use in women, pregnancy, breastfeeding, or children. Alcohol interaction: Alcohol may worsen dizziness, increase blood pressure-related symptoms, and reduce erectile response. Heavy alcohol intake should be avoided when using sildenafil. Long-term use risks: Ongoing use without medical review may delay diagnosis of diabetes, cardiovascular disease, high blood pressure, low testosterone, depression, anxiety, or medicine-related sexual dysfunction. Special population caution: Older adults and people with liver disease, severe kidney impairment, heart disease, bleeding disorders, stomach ulcers, penile anatomical conditions, or a history of prolonged erection need careful clinical assessment before using sildenafil.Drug Interactions
Sildenafil may interact with:- Nitrates used for chest pain
- Riociguat
- Alpha-blockers such as doxazosin or tamsulosin
- Blood pressure medicines
- Other PDE5 inhibitors such as tadalafil or vardenafil
- HIV protease inhibitors such as ritonavir or saquinavir
- Antifungals such as ketoconazole or itraconazole
- Macrolide antibiotics such as erythromycin or clarithromycin
- Cimetidine
- Grapefruit juice
- Recreational drugs or unregulated sexual enhancement supplements
Storage Instructions
Store tablets at room temperature, away from excess heat, moisture, and direct sunlight. Keep the medicine in its original packaging and out of reach of children. Do not use tablets after the expiry date or if the packaging appears damaged, altered, relabelled, or inconsistent. Canadian sildenafil product information commonly lists storage at controlled room temperature, including 15°C to 30°C for some authorized sildenafil products.
Clinical Notes
Sildenafil is clinically relevant because erectile dysfunction can be an early sign of vascular disease, diabetes, hypertension, medication effects, stress, depression, or hormonal imbalance. Doctors may prescribe sildenafil when the expected benefit is appropriate and sexual activity is considered medically safe.
In Canadian clinical practice, evaluation may include blood pressure review, cardiovascular risk assessment, medication review, and screening for lifestyle or metabolic factors. Sildenafil can help erectile function, but it does not treat the underlying medical cause of erectile dysfunction.
Frequently Asked Questions
How long does Fildena Professional 100 take to work?
Sildenafil is commonly taken before sexual activity. Response time varies by person, and a high-fat meal may delay the effect.
Is Fildena Professional 100 safe for long-term use?
Long-term use should be monitored by a healthcare professional. Persistent erectile dysfunction may be linked with cardiovascular or metabolic disease.
Can I stop taking it suddenly?
For erectile dysfunction, sildenafil is usually taken as needed, so stopping typically does not require tapering.
Is it safe during pregnancy?
No. Fildena Professional 100 is not indicated for women, pregnancy, breastfeeding, or children.
What happens if I miss a dose?
When used as needed, there is usually no missed-dose schedule. Do not take extra tablets to make up for a missed dose.
Can I take it with alcohol?
Alcohol may increase dizziness and reduce erectile response. Heavy alcohol use should be avoided.
Is Fildena Professional 100 authorized in Canada?
The specific brand should be verified before sale or use. Health Canada advises consumers to use only authorized sexual enhancement products and check for appropriate Canadian identifiers such as a DIN where applicable.
Disclaimer
This content is for informational purposes only and does not replace professional medical advice. Always consult a healthcare professional before using any medication.
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