17 PATIENT COUNSELING INFORMATION
You’ll need to be sexually aroused in order for the drug to work. Viagra keeps working in your body for up to 5 hours. This means that if you’re aroused, you should still be able to get an erection up to 4 hours after taking sildenafil generic a dose of Viagra.
- Common side effects include headaches, flushing, and nasal congestion.
- Serious side effects are rare but may involve vision changes or priapism.
- Alcohol can reduce the effectiveness of sildenafil and increase side effects.
- Keep the medication out of reach of children and store in a cool, dry place.
Even though Viagra keeps working in your body for several hours, your erection shouldn’t last this long. In fact, in rare cases, Viagra can cause priapism (a long-lasting and sometimes painful erection). Priapism is a medical emergency that needs to be treated right away. If it’s not treated, the condition can damage the tissues in your penis and cause irreversible erectile dysfunction.
6.2 Postmarketing Experience
In these studies, males who used the drug had an improved ability to have and keep erections during sexual activity. To learn more about Viagra’s effectiveness, see the “Viagra uses” section. Use of the term “male” in this article refers to sex assigned at birth. Viagra typically starts to work between 30 and 60 minutes after you take a dose of the drug. But Viagra itself doesn’t give you an erection. If you have an erection that lasts longer than 4 hours, go to the nearest emergency room or call 911. Viagra may work faster if you take it on an empty stomach. If Viagra is taken with food, especially with a high fat meal, it will take longer to start working. And in this case, it could even be less effective for you. Viagra is approved to treat erectile dysfunction (ED) in males. With ED, you have trouble getting and keeping an erection that’s firm enough to allow you to have sex. When you’re sexually aroused, your brain sends messages to your penis.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra Oral Jelly | 100mg | 90 + 8 Sachets | 303.56€ 289.10€ | |
| Viagra Generic | 50mg | 120 + 6 Pills | 129.64€ 123.47€ | |
| Kamagra Soft Tabs | 100mg | 20 Pills | 79.79€ 75.99€ | |
| Viagra Generic | 100mg | 30 + 4 Pills | 60.91€ 58.01€ | |
| Kamagra Oral Jelly | 100mg | 21 Sachets | 95.92€ 91.35€ | |
| Viagra Generic | 200mg | 90 + 6 Pills | 170.79€ 162.66€ | |
| Kamagra | 100mg | 60 + 4 Pills | 201.34€ 191.75€ | |
| Viagra Generic | 150mg | 180 + 10 Pills | 236.46€ 225.20€ | |
| Kamagra Soft Tabs | 100mg | 120 + 6 Pills | 311.78€ 296.93€ | |
| Viagra Generic | 100mg | 60 + 4 Pills | 96.36€ 91.77€ | |
| Viagra Generic | 100mg | 270 + 10 Pills | 270.47€ 257.59€ | |
| Viagra Generic | 50mg | 60 + 4 Pills | 83.93€ 79.93€ | |
| Viagra Generic | 200mg | 10 Pills | 40.96€ 39.01€ | |
| Viagra Generic | 150mg | 30 + 2 Pills | 72.32€ 68.88€ | |
| Viagra Generic | 100mg | 120 + 6 Pills | 149.50€ 142.38€ |
These messages cause certain chemicals to be released in your penis. One of these chemicals, called cyclic GMP, relaxes and widens certain blood vessels in your penis.
Other Comments
When you think of male sexual dysfunction, concerns like erectile dysfunction (ED) or premature ejaculation (PE) probably come to mind first. But there’s another sex-related issue that’s more common in men than you might expect: difficulty orgasming. Viagra is a medication used to treat erectile dysfunction by improving blood flow to the penis. The drug is available in different dosages. The appropriate dose depends on factors like age, kidney or liver problems, and other medications being taken.
What dose should be taken?
While generally considered safe, Viagra can cause side effects, including headaches and low blood pressure. It can also interact negatively with other medications like nitrates. Viagra is a brand-name oral tablet prescribed for erectile dysfunction (ED). You’ll find key information about Viagra below. Drug class: phosphodiesterase type 5 (PDE5) inhibitor In several clinical studies, Viagra was effective in treating erectile dysfunction (ED). Cyclic GMP also relaxes the muscles around the erectile tissue in your penis that’s called the corpus cavernosum. These actions allow blood to flow into the corpus cavernosum, which causes your penis to get hard and become erect. ED can occur if you have certain problems that affect your body’s ability to have an erection. The condition can result from problems with messages being sent from your brain.
Mechanism of action
Hims & Hers has strict sourcing guidelines to ensure our content is accurate and current. We rely on peer-reviewed studies, academic research institutions, and medical associations. We strive to use primary sources and refrain from using tertiary references. Erectile dysfunction is a condition in which you have trouble getting or keeping an erection firm enough for satisfying sex. Erectile dysfunction affects as many as 30 million men in the United States.
Drug forms and uses
Premature ejaculation (PE) is a sexual dysfunction characterized by a short ejaculatory latency, a perceived lack of control about the timing of ejaculation, and distress and interpersonal difficulty related to ejaculating too quickly. Low testosterone or testosterone deficiency, also known as hypogonadism, is a condition in which patients develop symptoms such as low sex drive, erectile dysfunction (ED), and fatigue because the body doesn’t produce enough testosterone. Though many men don’t like to talk about it, ejaculation problems are very common. Some of the most common issues include premature, delayed, or retrograde ejaculation. Your pelvic floor is a lot like plumbing in your home: you never really think about it unless something goes wrong. ED can also result from problems with blood flow into your penis.
Warnings & Precautions
Aside from heart medications and other PDE5 inhibitors, taking sildenafil with ritonavir, ketoconazole, itraconazole, or clarithromycin (an antibiotic) can increase the concentration of sildenafil in your body and make you more likely to experience side effects. Talk with a healthcare professional before mixing sildenafil with over-the-counter supplements, which aren’t regulated in the same way as prescription drugs. Learn more about health and drug interactions in our sildenafil interactions guide. If you’re living with ED symptoms, you’re not alone. Sildenafil can make it easier to get and keep an erection so you can enjoy a fulfilling sex life.
Sildenafil side effects
Here’s what to remember when taking sildenafil for ED: Take it at least 30 to 60 minutes and no more than four hours before sexual stimulation. Also, avoid high-fat foods or meals that can slow absorption. Take it at least 30 to 60 minutes and no more than four hours before sexual stimulation. Don’t mix sildenafil with medications that can cause dangerous interactions. Unsure whether your meds are safe to combine with sildenafil? Viagra works to treat ED by helping you get and maintain an erection. The drug does this by improving blood flow into your penis when sildenafil softgel capsule you’re sexually aroused. Viagra is a type of drug called a phosphodiesterase type 5 (PDE5) inhibitor. It works by inhibiting (blocking) the action of an enzyme called PDE5. (An enzyme is a protein that helps chemical reactions to happen inside your body.) Usually, an erection goes away when PDE5 breaks down the cyclic GMP in your penis. But Viagra blocks the action of PDE5, so it allows cyclic GMP to keep working for a longer period of time than usual. This action improves blood flow to your penis and helps you get and keep an erection. No, Viagra doesn’t directly increase your sex drive. And it doesn’t make you sexually aroused.
Safety Advice For
Regular exercise, a balanced diet, and quality sleep can maximize your overall health and sexual well-being. Consider alternative treatments if sildenafil doesn’t work for you. Other oral erectile dysfunction medications include tadalafil (generic for Cialis), avanafil (Stendra), sildenafil citrate 100 mg vardenafil, and chewable Hard Mints. Your healthcare provider might also recommend adjusting your sildenafil dosage. Ready to find an erectile dysfunction treatment that works for you?
Viagra and children
Get advice from one of our healthcare providers to learn more about your options. Don’t be tempted to use expired medicines. Gianmarco Troiano & Giacomo Lazzeri (2021) The potential toxic combination of grapefruit juice and sildenafil, Toxin Reviews, 40:3, 334-337. Sildenafil citrate induced retinal toxicity-electroretinogram, optical coherence tomography, and adaptive optics findings. Do food and dose timing affect the efficacy of sildenafil? However, some people find that if Viagra works to treat their erectile problem, it also increases their sexual confidence. And this may lead to an increased sex drive. Viagra may not work for everyone, and it may not work every time you take it. If you’re sexually aroused, Viagra should work to help you get or keep an erection within 30 minutes to 2 hours. But if you don’t get an erection within 4 hours after taking a dose, Viagra didn’t work for you this time. If the drug doesn’t work for you, you shouldn’t take another dose until at least 24 hours later. And talk with your doctor if you feel Viagra isn’t helping to treat your ED.
| Brand Name | Manufacturer | Dosage Forms | Price Range (USD) | Available Regions |
|---|---|---|---|---|
| Viagra | Pfizer | 25, 50, 100 mg | 30-50 per tablet | Worldwide |
| Revatio | Pfizer | 20 mg tablets | 40+ per tablet | Mainly for pulmonary hypertension |
| Kamagra | Ajanta Pharma | 50, 100 mg | 0.5-2 per tablet | Asia, Middle East |
| Generic Sildenafil | Multiple manufacturers | 25, 50, 100 mg | 0.3-3 per tablet | Global |
They may recommend that you try a different medication for your ED. It’s important to remember that Viagra only works if you’re already sexually aroused. Arousal may involve having sexual thoughts, looking at sexual images, masturbating, or engaging in foreplay. But if you feel anxious, nervous, depressed, or stressed, your body may not respond well to sexual stimulation. If this is the case, try to relax, make yourself comfortable, and take your time. In addition, if you drink alcohol, it’s best to avoid drinking a lot of it. This is because consuming large amounts of alcohol can make it more difficult to get an erection.
- Do not chew or break the tablet; swallow it whole.
- Avoid taking sildenafil with larger doses of alcohol.
- Regular exercise and a healthy diet can improve erectile function.
- Do not share your medication with others.
If you’re having trouble getting an erection, even while using Viagra, talk with your doctor.
7.5 Alcohol
It might be dangerous to use sildenafil if you have certain medical conditions or take specific drugs. If your healthcare provider told you not to engage in sexual activity because of a heart condition (like a history of heart attack; heart disease; heart failure; angina; or arrhythmia, also known as an irregular heartbeat), it’s probably best to abstain from having sex and taking sildenafil. Using sildenafil when you take medicines for high blood pressure or pulmonary arterial hypertension could cause a dangerous, potentially life-threatening dip in blood pressure. Avoid taking sildenafil with nitrates (medications for chest pain) such as isosorbide dinitrate, isosorbide mononitrate, nitroglycerin, and alpha-blockers or other blood pressure medications like riociguat. If you have a condition that puts you at higher risk of priapism—like sickle cell anemia, leukemia, Peyronie’s disease, or multiple myeloma—you should avoid sildenafil.
How does sildenafil work (mechanism of action)?
There isn’t enough data to say whether sildenafil is safe for people with this eye condition. Sildenafil can interact with the nitrites found in certain recreational drugs popularly known as “poppers,” causing a dangerous drop in blood pressure. Don’t mix sildenafil with other ED drugs, like Cialis®, Levitra®, Revatio® (another brand name for sildenafil) or Stendra®. This can put you at risk for low blood pressure. More of something isn’t always better! Instead, it belongs to a group of drugs called phosphodiesterase type 5 (PDE5) inhibitors.