If you take Sildenafil tablets after a high fat meal (such as a cheeseburger and french fries), Sildenafil tablets may take a little longer to start working.
| Side Effect | Frequency | Severity | Recommended Action |
|---|---|---|---|
| Headache | Common | Mild | Take analgesics if necessary |
| Flushing | Common | Mild | Stay hydrated |
| Nasal Congestion | Common | Mild | Use decongestants if needed |
| Dizziness | Less Common | Moderate | Sit or lie down until normal |
Sildenafil tablets can cause your blood pressure to drop suddenly to an unsafe level if it is taken with certain other medicines.
How Viagra Works
Take Sildenafil tablets exactly as your healthcare provider tells you to take it. Your healthcare provider will tell you how much Sildenafil tablets viagra alternative uk to take and when to take it. Take Sildenafil tablets about 1 hour before sexual activity. You may take Sildenafil tablets between 30 minutes to 4 hours before sexual activity if needed. Sildenafil tablets can be taken with or without food. Do not take Sildenafil tablets if you take any other medicines called “nitrates.” Nitrates are used to treat chest pain (angina).
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Viagra Generic | 25mg | 90 + 6 Pills | 105.03€ 100.03€ | |
| Viagra Generic | 100mg | 10 Pills | 28.91€ 27.53€ | |
| Viagra Super Active | 100mg | 60 + 8 Pills | 116.84€ 111.28€ | |
| Viagra Generic | 200mg | 20 Pills | 61.69€ 58.75€ | |
| Viagra Professional | 100mg | 10 Pills | 44.09€ 41.99€ | |
| Viagra Generic | 100mg | 120 + 6 Pills | 149.50€ 142.38€ | |
| Viagra Oral Jelly | 100mg | 21 Sachets | 78.66€ 74.91€ | |
| Viagra Generic | 100mg | 90 + 6 Pills | 129.02€ 122.88€ | |
| Viagra Generic | 150mg | 360 + 10 Pills | 423.48€ 403.31€ | |
| Viagra Generic | 200mg | 120 + 8 Pills | 204.80€ 195.05€ | |
| Viagra Soft Tabs | 100mg | 10 Pills | 36.93€ 35.17€ | |
| Viagra Generic | 50mg | 120 + 6 Pills | 129.64€ 123.47€ | |
| Viagra Original | 100mg | 4 Pills | 40.94€ 38.99€ | |
| Viagra Generic | 200mg | 270 + 10 Pills | 379.76€ 361.68€ | |
| Viagra Original | 100mg | 76 + 4 Pills | 306.59€ 291.99€ | |
| Viagra Oral Jelly | 100mg | 30 + 5 Sachets | 115.76€ 110.25€ | |
| Viagra Generic | 200mg | 10 Pills | 40.96€ 39.01€ |
Do not take Sildenafil tablets if you take medicines called guanylate cyclase stimulators such as riociguat. Please click here for more Important Risk Information. Tell all your healthcare providers that you take Sildenafil tablets.
Pregnancy & Lactation
Viagra can cause various side effects, including nausea, headache, and dizziness. It can also interact with other medications, so speak with a doctor before taking it. A doctor may prescribe viagra off-label if you have sexual dysfunction. Other medications, such as flibanserin (Addyi), may help treat female low sex drive. It’s an oral medication approved to treat erectile dysfunction (ED).
Natural and over-the-counter alternatives for ED
The drug works by dilating blood vessels. With increased blood flow to the penis, it’s easier to get and sustain an erection. Viagra targets sexual performance, not sexual arousal. There’s limited evidence that the drug is somewhat beneficial for female sexual dysfunction. This article explores whether viagra is safe or effective for female sexual dysfunction, and available alternatives.
How to get Viagra
The use of binary terms such as “male” and “female” or “men” and “women” in this article reflects the language of the sources we’ve used. Unless otherwise noted, it’s unclear whether the research we reference included participants with expansive gender identities. Yes, anyone can take sildenafil (Viagra), regardless of gender. Viagra is another brand of sildenafil that doctors primarily prescribe to treat erectile dysfunction. While the Food and Drug Administration (FDA) has not approved Viagra for female use, your doctor may prescribe it for off-label use. If you need emergency medical care for a heart problem, it will be important for your healthcare provider to know when you last took Sildenafil tablets.
Sildenafil (Generic Viagra®) FAQs
Sildenafil tablet is a prescription medicine used to treat erectile dysfunction (ED). Sildenafil tablets help a man with erectile dysfunction get and keep an erection only when he is sexually excited (stimulated). Sildenafil tablets are not for use in women or children. It is not known if Sildenafil tablets are safe and effective in women or children under 18 years of age. Depending on your needs, your doctor will prescribe either a dose of 25 mg, 50 mg, or 100 mg. Sildenafil tablets does not protect you or your partner from getting sexually transmitted diseases, including HIV—the virus that causes AIDS.
- Viagra is one of the most well-known medications for erectile dysfunction.
- The drug may cause mild indigestion or muscle pain as side effects.
- Consult your doctor for personalized advice about Viagra use.
- Some users may develop a tolerance over time, reducing effectiveness.
- Combining Viagra with recreational drugs can be dangerous.
- Routine medical tests may be needed during long-term use.
- Never share your medication with others or buy it from unverified
Please click here for more Important Risk Information Do not take Sildenafil tablets more than one time each day.
Warnings & Precautions
But these are different drugs with different missions. Addyi is a brand name for a nonhormonal medication called flibanserin. You inject it under the skin on your abdomen or thigh about 45 minutes before you plan to have sex. Both medications are approved to treat acquired, generalized sexual desire disorder in premenopausal women. Specifically, it’s for low sexual desire that causes distress, but cheap viagra online is unrelated to: Addyi and Vyleesi treat sexual desire, though the exact mechanism of action isn’t clear.
Taking Viagra with food
They seem to affect certain pathways in the brain that influence sexual desire. Side effects of Addyi include low blood pressure, fainting, and nausea. These effects may be more intense if you take birth control pills or drink alcohol. Side effects of Vyleesi include a temporary increase in blood pressure and a decrease in heart rate. It can also cause nausea and isolated spots of skin lightening (focal hyperpigmentation).
When to call your doctor
Viagra is FDA approved to treat erectile dysfunction. It doesn’t have approval for treating female sexual dysfunction, and studies thus far have had mixed results. There’s no “female Viagra,” but there are a couple of drugs with approval to treat sexual dysfunction associated with specific conditions. There are many reasons for low sex drive. Before taking Viagra or any other medication, talk with your doctor about the potential benefits, risks, and side effects of these medications for you. If you are concerned that you are having side effects related to the medication, please consult your doctor.
| Brand | Country/Region | Price Range (USD) | Typical Dosage |
|---|---|---|---|
| Viagra Original | US | $20–$60 per tablet | 50 mg or 100 mg |
| Sildenafil Generic | Global | $1–$10 per tablet | 25 mg, 50 mg |
| Kamagra | Europe/Asia | $2–$8 per tablet | 100 mg |
| Revatio (for PAH) | Worldwide | Varies | 20 mg (dosage for pulmonary hypertension) |
Please click here for full Prescribing Information and Patient Information.
- Viagra can improve confidence by helping men achieve and maintain an erection.
- Women do not take Viagra for sexual enhancement; research is ongoing.
- Viagra has been on the market since 1998 and is widely used worldwide.
- It may interact with other medications, including antifungals and antibiotics.
- Lifestyle changes, such as weight loss and quitting smoking, can improve ED.
- Viagra is classified as a phosphodiesterase type 5 inhibitor.
- Always store Viagra in a cool, dry place away from children.
Compare common side effects, interactions, warnings, and more. Sildenafil is the active ingredient in the brand-name medication Viagra®. The information below is about brand name Viagra.
- Viagra can sometimes cause visual disturbances like blurred vision.
- The medication should be used with caution in men with eye conditions.
- Recreational use of Viagra without prescription is illegal and risky.
- Viagra is sometimes used off-label for other medical conditions.
- Combining Viagra with certain herbal supplements can be dangerous.
- The drug is generally considered safe when used as directed.
- Medication adherence ensures optimal therapeutic effects.
According to the FDA, “Generic medicines use the same active ingredients as brand-name medicines and work the same way, so they have the same risks and benefits as the brand-name medicines.” Viagra (sildenafil citrate), a phosphodiesterase type 5 (PDE5) inhibitor, is an oral medication used to treat erectile dysfunction (ED). It is taken only as needed, usually about an hour before sexual activity, though it can be effective if taken between 30 minutes to 4 hours prior.
How oral medicines differ
Like all drugs, Viagra can cause side effects. It can also interact with other medications. It’s important to speak with your doctor before taking Viagra. PDE5 is an enzyme that affects blood flow. Below are some potential effects of taking Viagra.
Dosage for ED
Viagra dilates blood vessels and increases the flow of blood to the penis. Viagra may also cause increased blood flow to the genitals of people without a penis, which may help increase sensitivity, arousal, and orgasmic function. It helps to understand that sexual dysfunction is a complex issue. In a 2024 study, a topical cream with 3.6% sildenafil improved outcomes in people with female sexual arousal disorder (FSAD), particularly people without orgasm dysfunction. Another 2024 study found that age and hormonal contraceptives didn’t affect the priligy and viagra effectiveness of topical sildenafil creams on FSAD.
Can you take Viagra if you have high blood pressure?
However, additional use of psychiatric medication decreased sexual desire in people using the cream and participants who used a placebo. More research is necessary to fully understand any potential benefit from the Viagra form of sildenafil for female sexual dysfunction. One thing that can suppress libido is the use of certain antidepressants, including: A 2025 review looks at the effects of various medications to treat antidepressant-induced female sexual dysfunction. It suggests that sildenafil may improve orgasm results and most Female Sexual Function Index scores. However, it had limited effects on pain during sexual activity. It is very important not to take Viagra more than once a day, as exceeding this frequency increases the risk of serious side effects, including vision loss and significant drops in blood pressure. Viagra® (sildenafil citrate), a phosphodiesterase type 5 (PDE5) inhibitor, is an oral medication used to treat erectile dysfunction (ED).
| Metric | Description | Typical Result |
|---|---|---|
| Time to erection | Time from tablet intake to erection achievement | 30–60 minutes |
| Duration of effect | Time sildenafil maintains efficacy | Up to 4–6 hours |
| Satisfaction rate | Percentage of users reporting satisfactory sex | Approx. 70–80% |
| Onset variability | Differences based on food, age, health | Faster on empty stomach, slower after heavy meals |
Viagra (sildenafil citrate) is indicated to treat: Viagra (sildenafil citrate) is indicated to treat: Typically taken orally as needed approximately 60 minutes before sexual activity, up to once daily Typically taken orally as needed approximately 60 minutes before sexual activity, up to once daily Comes in 25 mg, 50 mg, and 100 mg tablets Comes in 25 mg, 50 mg, and 100 mg tablets Typically taken orally as needed approximately 60 minutes before sexual activity, up to once daily Typically taken orally as needed approximately 60 minutes before sexual activity, up to once daily Comes in 25 mg, 50 mg, and 100 mg tablets Comes in 25 mg, 50 mg, and 100 mg tablets Administration of Viagra to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form Administration of Viagra to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form Known hypersensitivity to sildenafil or any component of tablet Known hypersensitivity to sildenafil or any component of tablet Drug interactions: Nitrates, alpha blockers, antihypertensives, CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, saquinavir, erythromycin) Drug interactions: Nitrates, alpha blockers, antihypertensives, CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, saquinavir, erythromycin) Administration of Viagra to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form Administration of Viagra to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form Known hypersensitivity to sildenafil or any component of tablet Known hypersensitivity to sildenafil or any component of tablet Drug interactions: Nitrates, alpha blockers, antihypertensives, CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, saquinavir, erythromycin) Drug interactions: Nitrates, alpha blockers, antihypertensives, CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, saquinavir, erythromycin) Patients should not use Viagra if sexual activity is inadvisable due to cardiovascular status Patients should not use Viagra if sexual activity is inadvisable due to cardiovascular status Patients should seek emergency treatment if an erection lasts >4 hours Patients should seek emergency treatment if an erection lasts >4 hours Patients should stop Viagra and seek medical care if a sudden loss of vision occurs in one or both eyes, which could be a sign of non arteritic anterior ischemic optic neuropathy (NAION) Patients should stop Viagra and seek medical care if a sudden loss of vision occurs in one or both eyes, which could be a sign of non arteritic anterior ischemic optic neuropathy (NAION) Patients should stop Viagra and seek prompt medical attention in the event of sudden decrease or loss of hearing Patients should stop Viagra and seek prompt medical attention in the event of sudden decrease or loss of hearing Caution is advised when Viagra is co-administered with alpha-blockers or anti-hypertensives Caution is advised when Viagra is co-administered with alpha-blockers or anti-hypertensives Decreased blood pressure, fainting, and prolonged erection may occur at higher sildenafil exposures Decreased blood pressure, fainting, and prolonged erection may occur at higher sildenafil exposures Patients should not use Viagra if sexual activity is inadvisable due to cardiovascular status Patients should not use Viagra if sexual activity is inadvisable due to cardiovascular status Patients should seek emergency treatment if an erection lasts >4 hours Patients should seek emergency treatment if an erection lasts >4 hours Patients should stop Viagra and seek medical care if a sudden loss of vision occurs in one or both eyes, which could be a sign of non arteritic anterior ischemic optic neuropathy (NAION) Patients should stop Viagra and seek medical care if a sudden loss of vision occurs in one or both eyes, which could be a sign of non arteritic anterior ischemic optic neuropathy (NAION) Patients should stop Viagra and seek prompt medical attention in the event of sudden decrease or loss of hearing Patients should stop Viagra and seek prompt medical attention in the event of sudden decrease or loss of hearing Caution is advised when Viagra is co-administered with alpha-blockers or anti-hypertensives Caution is advised when Viagra is co-administered with alpha-blockers or anti-hypertensives Decreased blo
Why is this medication prescribed?
It was also not the most effective medication included in the review. Viagra may cause blood pressure to drop. That can be a problem if you already have low blood pressure or take medications that lower blood pressure. Most information about Viagra’s safety looks at male use, not female use, particularly in the long term. More research is necessary to see if the same side effects may occur.
What should I tell my healthcare provider before taking sildenafil?
The product label doesn’t include dosing information for FSAD because it’s not the intended use. In studies, doses for female use may vary significantly. If you do plan on taking Viagra, consider the source. Some online sites that claim to sell Viagra are selling counterfeit drugs. These may not work like Viagra and may not be safe.
Does Viagra increase the size of a man’s penis?
To access the real thing, you’ll need a prescription. A doctor will decide on the dose and provide safety information. Viagra is an ED medication that improves blood flow to the penis. Viagra is a brand name, and there’s no “Viagra for women.” There are, however, a few FDA-approved medications to treat low female sexual desire. Because it’s a pink tablet and Viagra is a blue tablet, the nickname “female Viagra” was bound to happen.