Sildenafil Tablets (25mg, 50mg & 100mg)

Treatment Details

Treatment Details
Overview
Side Effects
Directions
Effectiveness
Ingredients
More Information

What are Sildenafil Tablets Used for?
Sildenafil is the cost-effective generic alternative to Viagra that doctors prescribe to treat erectile dysfunction in men who experience difficulty in achieving or maintaining an erection during sexual activity.
Sildenafil tablets help address ED without the higher costs associated with branded Viagra.
How Does Sildenafil Work?
Sildenafil belongs to a class of drugs known as PDE-5 inhibitors, medications that relax smooth muscle and increase blood flow to specific areas of the body.
Sildenafil therefore works by improving blood circulation to the penis. This makes it easier to get and maintain an erection when sexually aroused.
Sildenafil takes 30-60 minutes to take effect and lasts up to six hours, so you can engage in spontaneous sexual activity with greater confidence.
Same Proven Results, Better Value
Sildenafil (Generic Viagra) is cheaper than the branded version but offers the same effectiveness. At the same dose, it’s a low-cost option for those who want ED treatment without compromising quality.
Other benefits of the medication include:
- Non-Invasive and Convenient: It’s an oral tablet you take as needed; no daily maintenance or invasive procedures.
- Predictable Duration: It remains active in the system for about four to six hours, allowing for a natural window of opportunity without staying in the body for long.
- Improves Psychological Well-Being: Better sexual function may reduce performance anxiety.
Who Is Sildenafil Suitable for?
Sildenafil is a men’s health medication suitable for most adults over 18 experiencing erectile dysfunction. Speak with Curely so we can confirm whether the medication is right for you based on your overall health and existing conditions.
Who Should Avoid Sildenafil?
- People Taking Nitrates: Do not take sildenafil if you use nitrate medications for chest pain (angina), as the combination can cause an immediate, life-threatening drop in blood pressure (hypotension).
- People Using "Poppers": Recreational drugs containing alkyl nitrites or amyl nitrites interact with sildenafil in the same dangerous way as prescription nitrates.
- People Taking Guanylate Cyclase (GC) Stimulators: Medications like riociguat (used for pulmonary arterial hypertension) combined with sildenafil can lead to severe hypotension.
- Severe Cardiovascular Conditions: People with a history of recent heart attacks, strokes, uncontrolled high or low blood pressure, severe heart failure, or unstable angina should avoid it unless a healthcare provider advises you to take it.
- Severe Liver or Kidney Impairment: Liver and kidney damage affects how the body metabolizes the drug, increasing the risk of toxicity and severe side effects.
- Hereditary Eye Disorders: People with retinal disorders such as retinitis pigmentosa should avoid sildenafil due to the risk of vision loss.
- Allergies: Avoid it if you have a known hypersensitivity or allergic reaction to sildenafil or any of its inactive ingredients.

Type of Medicine	Phosphodiesterase type 5 (PDE5) inhibitors
Works By	Widens and relaxes the blood vessels to improve blood flow to the penis.
Active Ingredient	Sildenafil citrate
Strength	25 mg, 50 mg, 100 mg
Effective Within	30 - 60 minutes
Pack Size	4 tablets
Generic	Yes
Use With Alcohol	In moderation

Sildenafil Common Side Effects
Some people experience side effects from Sildenafil, which may include:
- Headache
- Flushing
- Lightheadedness
- Stuffy nose
- Indigestion
- Nausea
Most of these side effects may become intense one to two hours after taking the medication, but they’ll fade as Sildenafil leaves your body.
Less Common Side Effects
- Vomiting
- Diarrhoea
- Skin rash
Mild symptoms usually go away as the medication leaves the body. Drink water to help ease the side effects or seek medical advice if they’re persistent.
Severe & Rare Adverse Effects
- An erection that lasts longer than 4 hours.
- Sudden vision loss (NAION).
- Sudden hearing loss with ringing (tinnitus) or intense dizziness.
- Dangerous drop in blood pressure.
- Severe allergic reactions including hives, facial or throat swelling, severe skin peeling, and difficulty breathing or swallowing.
Log in to your online account and message one of our healthcare professionals or call us on 0141 111 111 if you experience any of these adverse effects.
Go straight to your local Accident & Emergency department if you have a serious reaction.
1. Take one Sildenafil tablet at least an hour before sexual activity.
2. Take it on an empty stomach or after a light meal with water. A high-fat or heavy meal can delay how quickly the medication is absorbed.
3. Limit your alcohol intake to help Sildenafil remain effective.
4. Never take more than one erectile dysfunction treatment (e.g., Viagra Connect or Tadalafil) in 24 hours.
5. Always take the prescribed dose.
Sildenafil doesn’t work for everyone the first time they use it. However, medical guidance recommends using your current dose of Sildenafil at least 8 times before buying an alternative treatment. Contact Curely, and we’ll recommend different treatments such as Cialis.
Active
Sildenafil Citrate
Inactive
Formulations can vary slightly depending on the manufacturer, but Sildenafil usually contains the following inactive ingredients:
- Microcrystalline cellulose
- Anhydrous dibasic calcium phosphate
- Croscarmellose sodium
- Magnesium stearate
- Hypromellose
- Titanium dioxide
- Lactose
- Triacetin
- FD & C Blue #2 aluminum lake
Medication You Can Trust
Your safety comes first, which is why Curely provides authentic medication that meets strict quality standards. We source all treatments from licensed UK distributors that meet relevant regulatory requirements. Feel confident in the integrity of your prescription with Curely.
Fast, Free and Discreet Delivery
We believe everyone should have quick and affordable access to the medication they need. That’s why all orders over £20 come with free tracked delivery. It’s fast and dependable.
Curely delivers from Monday to Saturday. Place your orders by 12:00 pm for next-day delivery (except for Saturdays).
Plain, Discreet Packaging
Every Curely order comes in plain, unbranded packaging with no indication of what’s inside. Also, our brand name won’t appear on bills, delivery paperwork, or your bank statement.
- No Curely branding
- No pharmacy labels
- No product names
For more information about Sildenafil, read the Patient Information Leaflet here: https://www.medicines.org.uk/emc/files/pil.3172.pdf.

Frequently asked questions

Can I Consume Alcohol While Taking Sildenafil?
Yes, but in moderate amounts. Excessive alcohol intake may decrease the effectiveness of the medication and increase the likelihood of experiencing side effects. Always limit your alcohol intake while using Sildenafil.
How Often Can I Take Sildenafil?
Take it only as needed, no more than once a day. Do not exceed the recommended dosage or take multiple ED treatments within 24 hours, as it could lead to severe side effects.
How Does Sildenafil Compare To Branded Viagra?
Sildenafil contains the same active ingredient as Viagra, making it just as effective at treating ED at the same dose. The main difference is that Sildenafil is a cost-effective alternative manufactured by different companies.
Can I Take Sildenafil With Food?
Yes, you can take Sildenafil with or without food. However, avoid taking the pill with a large or high-fat meal, as it may delay the effects.