14 CLINICAL STUDIES

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, 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.

Names of Medication

Inform patients of contraindication of sildenafil with regular and/or intermittent use of organic nitrates. Inform patients that sildenafil is also marketed as VIAGRA for erectile dysfunction. Advise patients taking sildenafil not to take VIAGRA or other PDE-5 inhibitors. Advise patients to seek immediate medical attention for a sudden loss of vision in one or both eyes while taking sildenafil. Such an event may be a sign of NAION.

Dosage for pulmonary arterial hypertension (PAH)

Advise patients to seek prompt medical attention in the event of sudden decrease or loss of hearing while taking sildenafil. These events may be accompanied by tinnitus and dizziness. This product's label may have been updated. For current full prescribing information, please visit eugiaus.com All brands listed are the trademarks of their respective owners and are not trademarks of Eugia Pharma Specialities Limited. PACKAGE LABEL-PRINCIPAL DISPLAY PANEL - 10 mg per 12.5 mL - Container Label PACKAGE LABEL-PRINCIPAL DISPLAY PANEL - 10 mg per 12.5 mL - Container-Carton (1 Vial) Published online by Cambridge University Press: 19 October 2021 A summary is not available for this content so a preview has been provided. 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.

• Not suitable for individuals with severe heart or liver conditions.
• Always inform your healthcare provider of all medications being taken.
• Follow-up appointments ensure safe and effective use.

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. 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. 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.

Related/similar drugs

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to sildenafil citrate tables authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox. Find out more about saving content to Google Drive. Sildenafil oral tablet is available as a brand-name drug and as a generic drug.

Authors and Affiliations

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). 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. If you have sudden hearing loss with or without tinnitus or dizziness, stop taking sildenafil lovegra sildenafil and call your doctor right away. 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.

Dosing & Uses

Sildenafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. 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, sildenafil white depending on the condition it’s being used to treat. For ED: Sildenafil works by increasing blood flow to the penis.

Common Side Effects

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. 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. 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. Certain antibiotics, such as clarithromycin or erythromycin.Increased side effects can include low blood pressure, dizziness, or vision problems. Certain antifungals, such as ketoconazole or itraconazole.Increased side effects can include low blood pressure, dizziness, or vision problems. Side effects from other drugs: Taking sildenafil with certain medications raises your risk for side effects from these drugs. Alpha-blockers, such as terazosin, tamsulosin, doxazosin, alfuzosin, or silodosin.Increased side effects can include a drop in blood pressure, or fainting.

Pharmacologic Category

Please use the Get access link above for information on how to access this content. 729 - 732Publisher: Cambridge University PressPrint publication year: 2020 PDE5 inhibitors – pharmacology and clinical applications 20 years after sildenafil discovery. Br J Pharmacol 2018;175(13):2554–65.CrossRefGoogle ScholarPubMed Expert Opin Pharmacother 2003;4(3):397–405.CrossRefGoogle ScholarPubMed Accessibility compliance for the HTML of this chapter is currently unknown and may be updated in the future. To save this book to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below.

Adjusting Your Sildenafil Dosage Over Time

Find out more about saving to your Kindle. Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply. Find out more about the Kindle Personal Document Service. Increased side effects can include a drop in blood pressure, or fainting.

• Sildenafil 12.5 mg can improve confidence and quality of life.
• Patients should discuss potential drug interactions with their doctor.
• Be aware of potential side effects and report unusual symptoms promptly.

Blood pressure drugs, such as amlodipine.Increased side effects can include blood pressure that’s too low. Increased side effects can include blood pressure that’s too low.

8.2 Lactation

Sildenafil oral tablet is available as the brand-name drugs Viagra and Revatio. It’s also available as a generic drug. 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.

How it works

Viagra: This drug is used to treat ED. With ED, you’re unable to get or maintain an erection. Revatio: This drug is used to treat PAH. With PAH, the blood pressure in your lungs is too high. Your heart has to work very hard to pump blood into your lungs. Other drugs for erectile dysfunction, such as avanafil, tadalafil, or vardenafil.Increased side effects can include low blood pressure or erections that last longer than normal Increased side effects can include low blood pressure or erections that last longer than normal Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions.