If approved, you’ll receive a treatment plan from our doctors within two hours and your medication will be shipped to you for free.
Dosage And Administration
You want a dose that works for your erections and that doesn’t give you any side effects that you can’t tolerate. Most men who take sildenafil don’t experience side effects or if they do they are relatively mild and short-lasting. The most common side effects of sildenafil include headaches, hot flushes, indigestion, a blocked nose, blurred vision and color changes to your vision, like a blue tint. In rarer cases, sildenafil can cause more serious side effects. These include a sudden loss of vision, severe skin reactions, and priapism (a long-lasting erection that can cause damage to your penis).
Sildenafil may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
You’ll minimize your chances of side effects if you take sildenafil as prescribed. Talk to our doctors if you’re worried about side effects. Yes, you always take the meds in the same way, no matter what strength of sildenafil you’ve been prescribed. You swallow the pill between 30 minutes to one hour before you plan to have sex. The right dose of sildenafil will depend on your medical history, if you have certain health conditions and if you take certain other medications. NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra Soft Tabs | 100mg | 12 Pills | 57.55€ 54.81€ | |
| Viagra Generic | 25mg | 120 + 6 Pills | 125.56€ 119.58€ | |
| Kamagra | 100mg | 180 + 6 Pills | 436.79€ 415.99€ | |
| Viagra Generic | 50mg | 60 + 4 Pills | 83.93€ 79.93€ | |
| Kamagra Polo | 100mg | 60 + 4 Pills | 189.39€ 180.37€ | |
| Viagra Generic | 50mg | 30 + 4 Pills | 54.26€ 51.68€ | |
| Kamagra | 100mg | 12 Pills | 55.64€ 52.99€ | |
| Viagra Generic | 150mg | 90 + 6 Pills | 147.18€ 140.17€ | |
| Viagra Generic | 100mg | 270 + 10 Pills | 270.47€ 257.59€ | |
| Viagra Generic | 200mg | 30 + 2 Pills | 83.07€ 79.11€ | |
| Kamagra Oral Jelly | 100mg | 30 + 5 Sachets | 136.20€ 129.71€ | |
| Kamagra Soft Tabs | 100mg | 60 + 4 Pills | 180.59€ 171.99€ | |
| Viagra Generic | 50mg | 10 Pills | 26.87€ 25.59€ | |
| Viagra Generic | 150mg | 10 Pills | 36.73€ 34.98€ | |
| Viagra Generic | 150mg | 30 + 2 Pills | 72.32€ 68.88€ | |
| Viagra Generic | 50mg | 270 + 8 Pills | 198.48€ 189.03€ |
However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page.
More about sildenafil
They can assess your situation and change your prescription if they deem it suitable. We get how tempting it might be to increase your dose yourself if you’ve taken sildenafil and it did not work as well as you wanted. However, this increases your chances of experiencing side effects, including the more serious ones. You don’t know if it’s right for your body. If it’s the first time you’ve taken sildenafil then you should wait 24 hours and try taking it again.
Drugs Affecting Gastric Acidity
Medications don’t always work every time. They can be affected by a huge range of things, like your mental state, what you’ve drank and eaten and how stressful your day’s been. If you liquid sildenafil citrate try sildenafil again you may get better results. There are actions you can take to help you get the best out of sildenafil too. Try these to maximize your chances of getting and maintain a lasting erection after taking sildenafil: The pill should be taken between 30 to 60 minutes before you want to have sex. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider. The information provided here about medications is subject to change and is sildenafil citrate tablets 150 mg not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes. Dr Sandip completed his training in Psychiatry and sexual medicine in the UK. A post-graduate in Psychiatry from KMC Manipal, he worked in the UK for over 8 years following a one-year research post at NIMHANS, Bangalore. With an interest in the fields of sexual health and functioning, he has authored articles in books and peer-reviewed journals. A recipient of the student of the year award by BSART in 2010, he is currently a consultant psychiatrist and sexual and relationship therapist with a belief in a holistic and psychotherapeutic approach to treating psychological distress.
What are the side effects?
Firstly, you should talk to a medical professional about your options. A common next step is to try a different ED medication. There are others that work in a similar way to Viagra and sildenafil that may be more effective for you, like Levitra (vardenafil) and Cialis (tadalafil). If you have ED and you’re interested in trying ED meds, you can order them directly NowPatient. Start your online consultation by detailing your medical history and symptoms. Dr. Pranitha Bangera is a gold-medalist healthcare professional with an elite foundation in clinical training and patient care.
Comparing Drug Interactions
You don’t get to pick your dose either, this will be decided upon by the doctor who prescribes sildenafil to you according to your history. This strength is effective for most men and usually has a low risk of side effects. Depending on your situation the doctor could decide to start you on a lower dose (25 mg) or a higher dose (100 mg). If you try a 50 mg dose and it helps with your erections but you experience off-putting side effects your doctor may lower your dose to 25 mg. This dose may still have the desired effect on your erections but may lessen your side effects.
13.1 Carcinogenesis & Mutagenesis & Impairment of Fertility
If you tried a 50 mg pill but it didn’t help with your erections and give you off-putting side effects, then your doctor may increase your dose to 100 mg. This may help you overcome ED and hopefully won’t give you side effects that you can’t tolerate. Only take 100 mg if you are directed to do so. Never take more sildenafil than you were prescribed. If you want to try a different dose, talk to our doctors. A researcher at heart, she specializes in creating high-impact, research-driven medical content that empowers readers through accessible patient education. Dr. Bangera focuses on the intersection of digital health and clinical communication, specifically within the fields of sexual health and mental well-being. Her work is dedicated to making complex medical innovations understandable and trustworthy for a global audience.
5.5 Visual Loss
It can take longer to work though, sometimes up to four hours. Don’t give up if your pill hasn’t worked after an hour. Sildenafil won’t give you an automatic erection. It helps improve your chances of getting an erection when you’re turned on and in the mood for sex. Do whatever you need to do to get turned on after you’ve taken your dose.
Revatio Injection
A heavy meal, particularly a high-fat one can slow how quickly you absorb sildenafil. They’ll likely work faster if you take them on an empty stomach. A small amount of alcohol can make it easier to get an erection. Larger amounts can make it hard to get one and counter the effects of sildenafil. You can try taking it without alcohol or with a small amount to find what works best for you. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available.
- Sildenafil 20 mg is contraindicated with nitrate medications due to risk of severe hypotension.
- Patients with heart problems should consult their doctor before use.
- It’s important to disclose all medications to your healthcare provider.
Sildenafil (commonly known as Viagra) is a highly effective, FDA-approved medication that has revolutionized erectile dysfunction treatment by targeting the root cause- poor blood flow to the penis. The medication is typically taken 30-60 minutes before intimacy, with flexible dosing from 20-100mg depending on individual needs, effectiveness lasting 4-6 hours, and common mild side effects like headaches and flushing that often improve with continued use. While generally safe for most men, sildenafil requires careful medical evaluation due to serious contraindications with nitrate medications and certain heart conditions. Sildenafil for erectile dysfunction is one of the most researched and commonly prescribed options for erectile problems.
3. Dosage Forms and Strengths
The mg stands for milligrams (one thousandth of a gram) and is the amount of active ingredient (sildenafil citrate) in the pill. Viagra has the same active ingredient as sildenafil, meaning it works in the same way. Viagra has the same dosage options as sildenafil, which contains the same amount of the active ingredient. As above, a 25 mg Viagra pill contains a sildenafil citrate dosage of 25 mg. How you react to different doses will depend on factors including your physical condition, what other medications you’re taking, your lifestyle and how your unique biology reacts to the drug.
7.2 Alpha-blockers
But generally speaking, stronger doses of sildenafil will increase your chances of getting and maintaining an erection. A stronger dose won’t give you a longer-lasting erection or otherwise enhance your sexual performance, it just improves your chances of overcoming ED. But stronger doses also increase your chances of side effects. These tend to be mild and short-lasting, but they can be more serious. This means finding the right dose of sildenafil for you is a balancing act. It’s best known by the brand name Viagra, but it’s also widely available as generic sildenafil and other brand names.
What side effects can this medication cause?
If you’re anxious or stressed your medication may not work as well as it could. If you keep your weight down, exercise, eat a varied and nutritious diet, get enough sleep, don’t smoke, and limit your alcohol and drug intake, you can improve your erections. If you make positive lifestyle changes, you may find sildenafil works more effectively for you. You’ve tried Viagra or sildenafil multiple times, your prescribed dose has changed and you’ve taken our advice on how to get the most out of your medication. But, it still isn’t working for you. Sildenafil helps with erectile dysfunction by relaxing the blood vessels in the penis, so more blood can flow in when you’re sexually aroused. It blocks a chemical that normally “switches off” the erection signal too quickly, letting the natural process of erection work for longer.
- Common side effects of sildenafil include headaches, flushing, and nasal congestion.
- Serious side effects are rare but require immediate medical attention.
- Patients should report any adverse reactions to their healthcare provider.
It won’t cause an erection on its own, and it only works with sexual stimulation. In this article, you'll see how does sildenafil work for erectile dysfunction, how to take it correctly, what is sildenafil 20 mg dosage for erectile dysfunction, the most common side effects caused, key drug interaction risks and what to do if it doesn’t work well the first few times. Sildenafil citrate is a prescription medicine that belongs to the drug class called PDE5 inhibitors and is used to treat erectile dysfunction. It’s the active ingredient in Viagra and has been FDA-approved for ED since March 27, 1998. One of the earliest studies showed that men taking sildenafil had significantly better erection outcomes than placebo, which is why it became the first widely prescribed ED drug — now sold under brand names like Viagra.
- Sildenafil 20 mg tablets should be taken about 30 to 60 minutes before sexual activity.
- It’s important not to take more than one dose in 24 hours.
- Do not crush or chew the medication; swallow it whole with water.
Over time, the evidence only got stronger.
- Sildenafil 20 mg is not intended for use by women or children.
- Keep medication out of reach of children to prevent accidental ingestion.
- Store in a cool, dry place away from direct sunlight.