Viagra (Sildenafil)
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Viagra, the drug for treating impotence, does this by relaxing the muscles surrounding the blood vessels in the penis. This then increases blood flow in the penis.
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| Quantity | 25mg | 50mg | 100mg |
|---|---|---|---|
| 4 Tablets | £24.99 | £34.99 | £34.99 |
| 8 Tablets | £47.99 | £62.99 | £64.99 |
| 12 Tablets | £68.99 | £89.99 | £94.99 |
| 16 Tablets | £79.99 | £109.99 | £119.99 |
| 32 Tablets | £139.99 | £169.99 | £219.99 |
Contents
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Medically examined by:
Isabel D White - October 5, 2022
The Most Important Facts in Brief
- Viagra is the best-known sexual enhancer on the market.
- The drug Viagra contains the active ingredient sildenafil.
- The PDE-5 inhibitor is used to treat erectile dysfunction.
- Sildenafil 50 mg is the standard dose of the drug.
- You can order Viagra online - but only with a prescription from a doctor. At some UK pharmacies, men can now purchase the erectile dysfunction pill Viagra Connect without a prescription.
What is Viagra?
The brand-name drug Viagra is probably the best-known sexual enhancer on the market. The drug works via the active ingredient sildenafil, a PDE-5 inhibitor, which reduces the outflow of blood from the penis and thus enables a harder and longer erection.¹
Did you know?
The fact that Viagra has an effect on erectile function was discovered by chance. Researchers at Pfizer Central Research in the UK were looking for a drug to treat coronary heart disease at the end of the 20th century. However, instead of the desired effects, the drug showed improved and prolonged erections in the test persons, whereupon it appeared on the German market in 1998 under the brand name Viagra under Pfizer.²
The blue colour of the medicine does not reveal anything about its effect. The design (blue diamond) was probably in the drawer of the manufacturer Pfizer and was chosen at random for the medicine.³
Treatment of Erectile Dysfunction with Viagra
Viagra is not just for seniors: the drug can help anyone who suffers from erectile dysfunction (ED). ED is when an erection is not sufficient for satisfactory sexual intercourse.
The drug is usually taken as needed before the intended sexual intercourse. This facilitates the development and maintenance of an erection. The prerequisite is sexual arousal.
The medicinal product can also be used to train erectile dysfunction. This is done in order to prevent the degeneration of penile tissue. After a few months of successful therapy, you will experience morning wood, spontaneous erections, and increased libido.
Originally, the drug was cited for coronary heart disease, particularly angina pectoris, a tightness in the chest. However, during the trials, patients primarily showed an improved erection.
Viagra is suitable for all men over the age of 18 who have erectile dysfunction. A prerequisite for safe use is a medical history, in which possible contraindications and interactions with medication are clarified.
No, the drug is not advised for use by women.
Men take the drug to achieve a longer and stronger erection and thus overcome erectile dysfunction.
Buy Viagra: Simply Order Online With Prescription
Important note!
Viagra is a prescription medicine that is only available with a doctor's prescription!
Originally, the drug was cited for coronary heart disease, particularly angina pectoris, a tightness in the chest. However, during the trials, patients primarily showed an improved erection.In order for a doctor to give you a valid prescription for Viagra, you must answer honestly and without bias during the medical history (e.g. in the online questionnaire). This is the only way to ensure that you can take the medicine safely.
With a doctor’s prescription, you can buy the medicine from all certified pharmacies and their authorized partners – whether online or on site. However, you should stay away from unauthorized pharmacies that sell Viagra online without a prescription.
Buy Viagra Legally With a Prescription
If you want to buy Viagra legally and safely, there is no way to avoid a doctor’s prescription. Unfortunately, many men avoid talking about their erectile dysfunction, so going to the doctor is often an emotional challenge.
We offer you the opportunity to talk easily and discreetly with our partner’s doctors and to obtain a medical prescription for Viagra online. How?
- Fill out our partner's medical questionnaire online by clicking the "Start Online Consultation" button below.
- After assessing your medical situation online, our partner's UK-based team will recommend a course of treatment and provide you with a free prescription.
- The medicine will be ordered and delivered via one of our partner pharmacies. The medicine is sent discreetly within 2 to 3 working days.
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Generic Viagra
Pfizer’s Viagra brand is to be distinguished from its drug sildenafil. This active ingredient is not only found in Viagra, but also in its generic variants or medicines to combat other diseases. Generic medicines contain the same active ingredient (here: sildenafil) as the original medicine (here: Viagra), but are sold under a different name. They are usually much cheaper than the original because Pfizer’s high research costs in developing the drug are spread over more products.
Dosage of Viagra
Viagra (Cialis) is available in the form of a small, blue tablet. Depending on the intended use, the man can take this daily in a small dose (25 mg) or only if necessary one hour before the planned sexual act (25mg, 50mg, 100mg).
To increase your libido, take one tablet at night before sleep. If you take it as needed, you usually start with the standard dose of 50 mg, which can be increased or reduced after consultation with your doctor.
Viagra can improve erection and performance in bed even in men without erection problems. However, if healthy men without potency problems take the drug regularly to enhance their own performance, they may develop unrealistic expectations of sexual performance and a mild psychological dependence may result.
The desired effect usually occurs 30 to 60 minutes after taking Viagra. However, for this to become visible in the form of a stiff penis, the man must be sexually aroused.
Those who want a particularly fast effect should take the medicine with a non-alcoholic liquid on an empty stomach.
After the drug is taken, the average duration of action is 4-5 hours; for mild to moderate erectile dysfunction, it can even last 8-12 hours.
The duration of action of the drug does not mean a permanent erection. The penis stands and falls with sexual arousal even when taking PDE-5 inhibitors.
If you take drug, you can have sex as often as the effect lasts. How often this is and how often you have an orgasm varies from man to man.
Viagra has a shelf life of five years. So you have enough time to use the Viagra and don’t have to dispose of it.
Viagra Dosage: Which Dose is Right for Me?
Viagra tablets are available in different dosages: the active ingredient concentration varies between 25 mg, 50 mg and 100 mg. In most cases, treatment with sildenafil 50 mg is recommended but a different dose may be chosen depending on the severity and state of health.
It is generally recommended to start with the lowest dosage of 25 mg in order to minimize discomfort. In the event of severe erectile dysfunction, on the other hand, 100 mg is used. You and our doctor decide which dosage you require together.
25 mg
50 mg
100 mg
25 mg
Viagra 25 mg
- Use of certain drugs (esp. cardiovascular and psyche) as a cause of ED. Medication (especially cardiovascular) and psyche as cause of ED
- Advanced age
- Pre-existing conditions
- Sensitivity to medicines
- Interactions with other medicines
- Side effects with higher doses
- Short stature and/or low body weight
- For regular erectile tissue training
50 mg
Viagra 50 mg
- Standard prescription
- Very good effect with moderate side effects
100 mg
Viagra 100 mg
- Maximum dose
- Severe erectile dysfunction
- Too little effect at lower doses
- Very large or heavy men with good tolerance
The Viagra maximum dose is one tablet of sildenafil 100mg per day. A higher dose does not work more effectively, but only increases the likelihood of side effects.
Viagra should only be taken in the dose prescribed by a doctor, and no more than once a day. There is no evidence that suggests Viagra becomes less effective with long-term use or results in addiction.
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How Does Viagra Work?
If an erection does not occur despite sexual arousal or if it becomes flaccid after a short time, the drug Viagra can be used to help. To understand how this works, it is essential to have a brief introduction to the erection process:
- When a man is sexually aroused, the messenger substance "cyclic guanine monophosphate" (cGMP) is released. This leads to a dilatation of the arteries with simultaneous constriction of the veins. Consequently, the penis fills with blood and becomes stiff.
- The counterpart of cGMP is the enzyme phosphodiesterase-5 (PED-5). If PDE-5 gets out of hand, the penis remains flaccid.
- The active ingredient in Viagra (sildenafil) blocks the enzyme PDE-5, making it easy for cGMP to build up an erection.
Medical Background
The prerequisite for an erection with Viagra is sexual arousal. The potency tablet can therefore do nothing against sexual disinterest.
It can take up to an hour for the drug to take effect. However, if Viagra does not produce an erection despite patience and sufficient sexual arousal, it may be advisable to increase the dose.
Under no circumstances should you try to increase the effect of Viagra. This applies in particular to fatal combinations with other medicines, such as aspirin. If the effect is insufficient, you can contact our doctors.
Viagra Side Effects
As with almost all medicines, unwanted side effects can also occur with Viagra.⁸ This is especially true for high dosages. While some of these side effects are unpleasant but not dangerous (it is important to remember that not all side effects are harmful), others must definitely be observed (or treated immediately by a doctor).
No measures are required:
- Blocked nose, nosebleeds
- Flu-like symptoms
- Muscle and back pain
- Nausea, vomiting, diarrhoea, abdominal pain
Must be observed:
- Headache, dizziness, weakness
- Flush (face/upper body reddened)
- Rash, burning and numbness of the skin
Attention! If your skin feels numb, or if it burns in some places, you should tell a doctor.
Side effects: Visit your doctor immediately.
- Severe headache (harbinger of brain haemorrhage or stroke)
- Severe visual disturbances and eye pain
- Sudden hearing loss and deafness
- Permanent erections
- Chest pain, heart palpitations, and shortness of breath (harbinger of heart attack)
- Life-threatening allergy (severe skin rash, itching, palpitations, shortness of breath, weakness)
Attention! If you are experiencing chest pain that radiates into your shoulder and upper abdomen, heart palpitations, and shortness of breath, you may be experiencing a heart attack. Call the emergency doctor immediately!
No, Viagra is not dangerous. The drug is usually well tolerated and poses no danger when taken correctly – as long as you buy it from reputable suppliers with a doctor’s prescription.
Viagra Package Leaflet
If you would like to look through the Viagra package leaflet in advance, you can download it directly here.
Contraindications
Not every man is indicated to take erectile dysfunction medication. Under certain conditions – such as underlying diseases or the use of special medicines – treatment with Viagra can lead to serious side effects and, in extreme cases, be life-threatening.
To avoid dangerous side effects and interactions, it is essential to take a detailed medical history with a doctor (e.g. via online diagnosis) and to read the package leaflet carefully before taking Viagra.
Contraindications include diabetes, cardiovascular disease, liver or kidney dysfunction, hereditary retinal damage, or experience with continuous erections.
Medicines whose simultaneous use can lead to dangerous interactions include dapoxetine (Priligy), nitrates (e.g. nitroglycerin spray) or alpha blockers (e.g. tamsulosin).
Taking Cialis and Viagra together makes no sense. For example, combining the two PDE-5 inhibitors tadalafil and sildenafil does not improve the effect, but only increases the risk of side effects.
A man’s ability to drive during treatment with the sexual enhancer depends on his individual reaction to medication. Therefore, if he experiences dizziness, visual problems or drowsiness at any point, participating in road traffic is not an option.
The sexual enhancer Viagra is not intended for women.
Viagra Alternatives
Viagra has been on everyone’s lips since the end of the 20th century. In the meantime, however, other drugs have been developed to treat erectile dysfunction, including the PDE-5 inhibitors tadalafil (Cialis), vardenafil (Levitra) and avanafil (Spedra). These drugs work in a similar way to Viagra, but differ in terms of duration of action, dose and side effects.
Which sexual enhancer you are prescribed depends on your diagnosis.
Considering the drug sildenafil as a Viagra substitute is not accurate. Sildenafil is the active ingredient in Viagra. Ergo: Viagra and sildenafil work identically.
Which sexual enhancer works best varies from person to person. In addition to the length and intensity of the effect, the severity and variety of side effects are also important. In any case, the active ingredient tadalafil in Cialis works longer than Viagra.
Tadalafil is the drug in the medication Cialis. The main difference between the two PDE-5 inhibitors tadalafil and sildenafil is the duration of action: while Viagra has an effect of 4-5 hours, Cialis works for 24-36 hours.
Source list:
¹https://www.ema.europa.eu/en/documents/overview/cialis-epar-summary-public_de.pdf
²Jackson, G., Gillies, H., & Osterloh, I. (2005). Past, present, and future: a 7‐year update of Viagra®(sildenafil citrate). International journal of clinical practice, 59(6), 680-691.
³https://sz-magazin.sueddeutsche.de/gesundheit/weiss-sind-sie-am-billigsten-79044
⁴https://www.welt.de/wirtschaft/article13908447/Kassen-muessen-Kosten-fuer-Potenzmittel-nicht-zahlen.html
⁵https://www.deutsche-apotheker-zeitung.de/news/artikel/2014/03/10/unnatuerliche-erwartungen-an-die-eigene-sex-performance
⁶Glina, S., et al. "Efficacy and safety of flexible-dose oral sildenafil citrate (Viagra®) in the treatment of erectile dysfunction in Brazilian and Mexican men." International journal of impotence research 14.2 (2002): S27-S32.
⁷Eardley, I., Ellis, P., Boolell, M., & Wulff, M. (2002). Onset and duration of action of sildenafil for the treatment of erectile dysfunction. British journal of clinical pharmacology, 53, 61S-65S.
⁸Gresser, U., & Gleiter, C. H. (2002). Erectile dysfunction: comparison of efficacy and side effects of the PDE-5 inhibitors sildenafil, vardenafil and tadalafil-review of the literature. European journal of medical research, 7(10), 435-446.
⁹Atan, A., Basar, M. M., Tuncel, A., Ferhat, M., Agras, K., & Tekdogan, U. (2006). Comparison of efficacy of sildenafil-only, sildenafil plus topical EMLA cream, and topical EMLA-cream-only in treatment of premature ejaculation. Urology, 67(2), 388-391.
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Isabel D White
Isabel led the Royal Marsden Hospital (London) psychosexual therapy service until 2019. She works in partnership with individuals & couples to explore physical, emotional & relationship factors that contribute to sexual difficulties after cancer. These include: low desire, erection, arousal or orgasmic difficulties, sexual pain & sexual avoidance. She adopts an integrative approach to personalized therapy using psychosexual therapy (sensate focus framework), biomedical management (erectile dysfunction medication & devices, menopause & vaginal health strategies, sexual aids) & psychoeducation.
