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DRUG INTERACTIONS

Sildenafil > sildenafil citrate 100 mg


Revatio: This drug is used to treat PAH.

Format Price Range (USD) per Tablet Purchase Options Remarks
Generic Tablets $0.50 - $2.00 Pharmacies, online pharmacies Widely available
Brand-name (Viagra) $10 - $30 per tablet Prescription required More expensive
Pack Discounts Varies Multi-pack discounts offered Often cheaper per unit

With PAH, the sildenafil 5mg for sale blood pressure in your lungs is too high. Your heart has to work very hard to pump blood into your lungs. Sildenafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors.

5.7 Combination with other PDE5 Inhibitors or Other Erectile Dysfunction Therapies

Archived from the original on 7 December 2017. "Pfizer to lose patent of drug Viagra, Indian companies gear up with copycat versions: Pfizer's patent for the formulation of Viagra, used to treat impotence in men, ends in the US in 2020". Archived from the original on 17 April 2021. ^ "Set to conquer US, Indian 'Viagras' may give Pfizer a hard Time". Archived from the original on 22 December 2020.

Pulmonary hypertension

^ a b "Pfizer Settles Viagra® Patent Litigation With Teva". "Lockout Supplements Issues Voluntary Nationwide Recall of Boner Bears Chocolate Syrup Due to Undeclared Sildenafil". Archived from the original on 19 November 2016. "Counterfeit Viagra, Cialis, Levitra: The Ultimate Guide". Archived from the original on 10 January 2017.

What’s the difference between sildenafil and Viagra?

"Online pharmacies suspected of counterfeit drug sales". ^ "Erectile Dysfunction Medication the Most Seized Drug During Global Crackdown, Interpol Says". ^ "Global illicit medicines targeted by INTERPOL operation". Archived from the original on 10 December 2023. ^ "Israeli-made AI exposes international fake Viagra network". A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions. Sildenafil works in different ways, depending on the condition it’s being used to treat. For ED: Sildenafil works by increasing blood flow to the penis. This helps you get or maintain an erection. Sildenafil only works for ED if you’re sexually aroused. For PAH: Sildenafil works by relaxing the muscles and opening up the blood vessels in your lungs. This decreases the blood pressure in your lungs. Sildenafil slows down the progression of your illness. It also makes you more able to exercise. Sildenafil can be used as early as 4 hours before sex and as late as 30 minutes before sex. However, it is recommended to use this drug within an hour before sex.

Sildenafil should not be taken for ED more than once in a 24-hour period. But if you have certain medical conditions or are taking other drugs, sildenafil tablets 125 your doctor may recommend that you take this drug less often than once a day. It is important to note that certain foods, particularly foods high in fat, can cause the drug to work more slowly than normal. Sildenafil oral tablet doesn’t cause drowsiness, but it can cause other side effects, including: flushing (reddening and warming of the face) an erection that lasts longer than normal If these effects are mild, they may go away within a few days or a couple of weeks.

If they’re more severe or don’t go away, talk with your doctor or pharmacist. Call your doctor right away if you have serious side effects. Call 911 if your symptoms feel life threatening or if you think you’re having a medical emergency.

Product Dosage Quantity + Bonus Price
Viagra Generic150mg270 + 10 Pills326.61€ 311.06€
Viagra Generic50mg180 + 8 Pills158.82€ 151.26€
Viagra Generic100mg90 + 6 Pills129.02€ 122.88€
Viagra Generic25mg20 Pills37.74€ 35.94€
Viagra Generic100mg30 + 4 Pills60.91€ 58.01€
Viagra Generic150mg60 + 4 Pills111.25€ 105.95€
Kamagra Oral Jelly100mg63 + 7 Sachets224.18€ 213.50€
Viagra Generic50mg360 + 10 Pills225.33€ 214.60€
Viagra Generic200mg120 + 8 Pills204.80€ 195.05€
Viagra Generic200mg20 Pills61.69€ 58.75€
Viagra Generic150mg360 + 10 Pills423.48€ 403.31€
Viagra Generic25mg360 + 10 Pills213.68€ 203.50€
Kamagra100mg120 + 6 Pills330.74€ 314.99€
Kamagra Soft Tabs100mg120 + 6 Pills311.78€ 296.93€
Kamagra Polo100mg12 Pills60.21€ 57.34€
Viagra Generic100mg180 + 8 Pills199.37€ 189.88€

Serious side effects and their symptoms can include the following: Symptoms can include:blurry visionconfusiondizzinessfaintinglightheadednessnausea or vomitingsleepinessweakness Increased shortness of breath or trouble breathing Priapism (an erection that lasts more than 4 hours) Symptoms can include:sudden vision loss in one or both eyes sudden vision loss in one or both eyes Symptoms can include:sudden hearing losstinnitus (ringing in your ears)dizziness Heart problems, such as heart attack, stroke, or irregular heart rate. Symptoms can include:chest painshortness of breathdizzinesstrouble speakingconfusionnausea or vomitingfeeling lightheaded Priapism warning: This drug can cause priapism, which is an erection that won’t go away.

About this article

^ "Actavis Launches Generic Viagra in Europe as Patents Expire". Archived from the original on 29 October 2013. "What Will Happen When Viagra Goes Generic?". Archived from the original on 23 April 2011. ^ "Is Viagra about to lose its pulling power in the UK?".

Special Populations

Archived from the original on 30 October 2013. Archived from the original on 22 August 2009. Archived from the original on 25 June 2007. "Viagra from the pharmacist: insight from reclassification in New Zealand". Archived from the original on 17 May 2021.

Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately:

^ "Generic Viagra developers queue up, but may have to wait". Archived from the original on 28 December 2021. ^ "Approved Viagra copies flood drugstores in Korea". ^ "Viagra prescriptions almost triple in a decade". Archived from the original on 1 July 2024. If you have an erection that lasts more than 4 hours, call 911 or go to the nearest emergency room. If it’s not treated right away, this condition can cause permanent damage to your penis. Sudden vision loss warning: This drug can cause sudden vision loss in one or both eyes. This can be a sign of a serious eye problem.

Parameter Value Notes
Absorption Time 30-60 minutes Prompt onset after oral ingestion
Peak Plasma Levels 60 minutes Max concentration reached
Bioavailability 40% Due to first-pass metabolism
Metabolic Pathway Liver (CYP3A4) Hepatic metabolism primarily
Excretion Mainly feces, minor urine Elimination half-life approx. 4 hours

If this occurs, stop taking sildenafil and call your doctor right away. Sudden hearing loss warning: This drug can cause hearing loss, tinnitus (ringing in your ears), or dizziness.

Side Effects

It’s also used to treat pulmonary arterial hypertension (PAH). It comes in the form of a tablet and suspension (liquid). It also comes in an intravenous (IV) form, which is only given by a doctor. Sildenafil oral tablet is available as the brand-name drugs Viagra and Revatio. It’s also available as a generic drug. If you have sudden hearing loss with or without tinnitus or dizziness, stop taking sildenafil and call your doctor right away.

Notes et références

^ "MHRA reclassifies Viagra Connect tablets to a Pharmacy medicine". ^ "Viagra to be available without prescription in UK". Sildenafil oral tablet is available as a brand-name drug and as a generic drug. Sildenafil comes in three forms: an oral tablet, an oral suspension (liquid), and an injection that’s only given by a doctor. Sildenafil oral tablet is used to treat erectile dysfunction (ED). Use in children warning: Children generally should not take sildenafil; however, there are instances where the drug is considered the best treatment option. Talk with your child’s doctor to better understand the benefits and risks associated with this treatment option. Sildenafil oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well. To help avoid interactions, your doctor should manage all of your medications carefully. Be sure to tell your doctor about all medications, vitamins, or herbs you’re taking.

To find out how this drug might interact with something else you’re taking, talk with your doctor or pharmacist. Examples of drugs that can cause interactions with sildenafil are listed below. Do not take these drugs with sildenafil. Doing so can cause dangerous effects in the body. Nitrates, such as isosorbide mononitrate, isosorbide dinitrate, or nitroglycerin.Taking these drugs with sildenafil can cause your blood pressure to drop suddenly to an unsafe level. Taking these drugs with sildenafil can cause your blood pressure to drop suddenly to an unsafe level.

Pregnancy & Lactation

v. Pfizer Canada Inc., 2012 SCC 60 at par. "Supreme Court ruling could lead to cheaper versions of Viagra". Archived from the original on 10 March 2013. "Canadian Supreme court rules Viagra patent invalid".

Incidence not known

Archived from the original on 11 November 2012. ^ "Viagra patent tossed out by Supreme Court: Decision allows generic versions of drug to be produced". Archived from the original on 18 September 2013. ^ "Pfizer sildenafil citrates Canada drops Viagra price after generic versions get Supreme Court green light". Archived from the original on 30 November 2012.

Ajustements de doses

Archived from the original on 27 December 2013. "In rare move, Pfizer asks Supreme Court to reconsider ruling that killed Viagra patent". Archived from the original on 5 February 2013. "The Supreme Court of Canada holds Pfizer's Viagra patent invalid". Archived from the original on 20 May 2013. Guanylate cyclase stimulators, such as riociguat.Taking these drugs with sildenafil can cause your blood pressure to drop suddenly to an unsafe level. Side effects from sildenafil: Taking sildenafil with certain medications raises your risk for side effects from sildenafil. This is because the amount of sildenafil in your body is increased. HIV drugs, such as ritonavir, indinavir, saquinavir, or atazanavir.Increased side effects can include low blood pressure, dizziness, or vision problems.

They can also include erections that last longer than normal. Increased side effects can include low blood pressure, dizziness, or vision problems.

Drug Label Information

^ "Counterfeit Viagra Pills, Footwear, Belts, Car Emblems and Headphones Worth over $32 Million Seized at the LA/Long Beach Seaport U.S. Customs and Border Protection". Archived from the original on 12 October 2013. "Yes, There Is a Way to Get Generic Viagra". Archived from the original on 2 May 2016.

Vitamin K Antagonists

"Pfizer Wins Viagra Patent Infringement Case Against Teva Pharmaceuticals". Archived from the original on 11 January 2015. ^ "Pfizer Completes Transaction to Combine Its Upjohn Business with Mylan". Retrieved 17 June 2024 – via Business Wire. Archived from the original on 17 June 2024.

Interaction médicamenteuse

"Viagra patent expires in June, says Brazilian court". Archived from the original on 17 April 2012. ^ "Revatio patent ruled invalid for lack of sound prediction and obviousness". Archived from the original on 3 March 2016. {{cite web}}: CS1 maint: deprecated archival service (link) ^ Teva Canada Ltd. Certain antibiotics, such as clarithromycin or erythromycin.Increased side effects can include low blood pressure, dizziness, or vision problems.

What should I know about storage and disposal of this medication?

Generic drugs usually cost less than the brand-name version. In some cases, they may not be available in every strength or form as the brand-name drug. Generic oral tablets are available for both conditions, but the brand-name drugs each treat only one of the conditions. Viagra: This drug is used to treat ED. With ED, you’re unable to get or maintain an erection. Certain antifungals, such as ketoconazole or itraconazole.Increased side effects can include low blood pressure, dizziness, or vision problems.