Description
Fildena CT 100 is a chewable tablet formulation of sildenafil citrate 100 mg. Sildenafil belongs to a group of medicines called phosphodiesterase type 5 inhibitors, commonly known as PDE5 inhibitors. It is mainly used in adults for erectile dysfunction, a condition where a person has difficulty achieving or maintaining an erection suitable for sexual activity. Sildenafil works only when sexual stimulation is present and does not increase sexual desire by itself. In Canada, sildenafil-containing medicines should be used with medical supervision, and patients should confirm that any product they receive is supplied through a licensed source.What is Fildena CT 100?
Fildena CT 100 is a sildenafil citrate medicine supplied as a chewable tablet. Sildenafil is part of the PDE5 inhibitor drug class. This class affects blood vessel relaxation in specific tissues and is used clinically to improve erectile function in appropriate adult patients. The 100 mg strength is generally considered a higher sildenafil strength and should not be used without healthcare professional advice. Because erectile dysfunction can be linked with cardiovascular disease, diabetes, hypertension, medication use, hormonal issues, or psychological factors, a proper medical assessment is important before treatment.How Sildenafil Citrate Works
Sildenafil citrate works by inhibiting the PDE5 enzyme. This helps preserve cyclic guanosine monophosphate, a chemical involved in relaxing smooth muscle and widening blood vessels in the penis after sexual stimulation. As blood flow improves, erectile response may become easier to achieve and maintain. It is important to understand that sildenafil does not cause an automatic erection. Sexual arousal is still required. Health Canada consumer information for sildenafil notes that it helps relax blood vessels in the penis following sexual stimulation, allowing blood flow that supports improved erectile function.Medical Uses of Fildena CT 100
- Erectile dysfunction in adult men: Used to help improve the ability to achieve or maintain an erection during sexual activity.
- Erectile dysfunction associated with vascular risk factors: May be considered when ED occurs alongside conditions such as diabetes, high blood pressure, or circulation-related concerns, but only after medical evaluation.
- Pulmonary arterial hypertension, under different sildenafil products: Sildenafil is also used in specific prescription formulations for pulmonary arterial hypertension, but Fildena CT 100 should not be substituted for PAH treatment unless directed by a specialist.
Who Should Not Use This Medicine
Sildenafil is not suitable for everyone. Some people may have a higher risk of serious side effects, especially those with certain heart, blood pressure, eye, liver, kidney, or bleeding conditions.Do NOT use if you have:
- Current use of nitrates such as nitroglycerin, isosorbide mononitrate, or isosorbide dinitrate
- Use of recreational nitrites such as amyl nitrite or “poppers”
- Use of guanylate cyclase stimulators such as riociguat
- A previous allergic reaction to sildenafil citrate
- A history of non-arteritic anterior ischemic optic neuropathy, also called NAION
- A condition where sexual activity has been medically advised against
- Severe uncontrolled heart disease, unless a doctor has assessed that sexual activity is safe
Dosage and Administration
Fildena CT 100 should be taken only as directed by a healthcare professional. Sildenafil dosing for erectile dysfunction is individualized based on age, medical history, other medicines, response, and side effects. As a chewable tablet, Fildena CT 100 is generally chewed before swallowing. Do not take more than the dose recommended by a doctor. Health Canada sildenafil information states that doses above 100 mg per day are not recommended and that sildenafil should not be taken more than once daily.Important dosage tips
- Timing: Sildenafil is commonly taken about 30 to 60 minutes before sexual activity.
- Food: A high-fat meal may delay how quickly sildenafil starts working.
- Missed dose: For erectile dysfunction, sildenafil is usually taken only when needed, so a missed dose usually does not apply.
- Overdose: If more than the recommended amount is taken, contact a doctor, pharmacist, poison control centre, or emergency service.
Side Effects
Like all medicines, sildenafil can cause side effects. Some are mild and short-lasting, while others require urgent medical attention.Common side effects
- Headache
- Facial flushing
- Dizziness
- Indigestion or stomach discomfort
- Nausea
- Stuffy or swollen nose
- Dry mouth
- Muscle pain
- Sleepiness
Serious side effects
Seek urgent medical help if any of the following occur:- Chest pain during or after sexual activity
- Sudden vision loss or vision changes
- Sudden hearing decrease or hearing loss
- Fainting or severe dizziness
- Erection lasting longer than 4 hours
- Severe allergic reaction, including swelling of the face, lips, tongue, or throat
- Rash, blistering, peeling skin, or signs of severe skin reaction
- Stroke-like symptoms such as weakness on one side, trouble speaking, or sudden confusion
Warnings and Precautions
Sildenafil should be used carefully in people with heart disease, previous stroke, low blood pressure, uncontrolled high blood pressure, liver disease, kidney disease, bleeding disorders, stomach ulcers, blood cell disorders, Peyronie’s disease, or a history of prolonged erection. This medicine is not recommended for children under 18 years of age or for women when used for erectile dysfunction. Pregnant or breastfeeding patients should not use sildenafil unless it has been specifically prescribed for a medically appropriate reason by a specialist. Alcohol may reduce the ability to achieve an erection and may also increase dizziness or blood pressure-related side effects. Long-term use should be monitored by a healthcare professional, especially if ED is related to cardiovascular, endocrine, or metabolic disease.Drug Interactions
Tell a doctor or pharmacist about all prescription medicines, over-the-counter products, and supplements before using sildenafil. Important interactions may include:- Nitrates for chest pain or heart disease
- Riociguat or similar guanylate cyclase stimulators
- Alpha-blockers used for prostate symptoms or blood pressure
- Blood pressure-lowering medicines
- HIV medicines such as ritonavir or saquinavir
- Antifungal medicines such as ketoconazole or itraconazole
- Certain antibiotics such as erythromycin or clarithromycin
- Cimetidine
- Bosentan
- Other ED medicines, including tadalafil, vardenafil, or avanafil
- Other sildenafil-containing products
- Grapefruit juice, which may increase sildenafil levels
Storage Instructions
Store sildenafil tablets according to the product label. General storage guidance includes:- Keep at controlled room temperature, commonly 15°C to 30°C
- Store in the original packaging
- Protect from excess heat, moisture, and direct light
- Keep out of reach and sight of children
- Do not use after the expiry date
- Return expired or unused medicine to a pharmacy when possible
Sildenafil is prescribed because erectile dysfunction can significantly affect quality of life and may also signal underlying health issues. In clinical practice, doctors often assess cardiovascular risk, medication history, diabetes status, blood pressure, and psychological factors before recommending a PDE5 inhibitor.
For Canadian product pages, it is important to avoid presenting sildenafil as a lifestyle or performance product. It should be described as a prescription medication used for a diagnosed medical condition. Any sildenafil product intended for Canadian patients should be dispensed through a licensed pharmacy, and regulatory status should be checked where applicable.
How long does Fildena CT 100 take to work?
Sildenafil is commonly taken about 30 to 60 minutes before sexual activity. The exact timing may vary between individuals, and a heavy or high-fat meal may delay its effect.
Is Fildena CT 100 safe for long-term use?
Some people use sildenafil over an extended period under medical supervision. Long-term use should be reviewed by a healthcare professional, especially if you have heart disease, blood pressure problems, diabetes, liver disease, kidney disease, or take other medicines.
Can I stop taking it suddenly?
For erectile dysfunction, sildenafil is usually taken only when needed, so stopping it does not typically cause withdrawal. If you are using sildenafil for another medical condition, follow your doctor’s instructions.
Is it safe during pregnancy?
Fildena CT 100 is not intended for use in women for erectile dysfunction. Pregnant or breastfeeding patients should use sildenafil only if specifically prescribed by a healthcare professional for an appropriate medical reason.
What happens if I miss a dose?
For erectile dysfunction, sildenafil is usually not taken on a fixed daily schedule, so a missed dose is usually not relevant. Do not take extra tablets to make up for a missed dose.
Can I drink alcohol with sildenafil?
Alcohol may reduce erectile response and may increase dizziness or blood pressure-related side effects. Avoid excessive alcohol when using sildenafil.
Can I take it with heart medicines?
Do not take sildenafil with nitrates or riociguat. If you use heart or blood pressure medicine, speak with a doctor or pharmacist before taking sildenafil.
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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