Viagra 25mg Film-coated Tablets

Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure. Please note: Effects on vision Cases of visual defects have been reported spontaneously in connection with the intake of sildenafil and other PDE5 inhibitors see section 4. These individuals should have no more than 25 milligrams mg of Viagra at a time, and not more informatiom than every 48 hours. All rights reserved. Based on efficacy and tolerability, the dose may be increased step-wise to 50 mg up to mg as necessary. There was no evidence of favourable clinical effect of the combination in the population studied, viagra dosage information. In vivo studies Population pharmacokinetic analysis of clinical trial data indicated a reduction in sildenafil clearance when co-administered with CYP3A4 inhibitors such as ketoconazole, erythromycin, cimetidine. This is not a complete list of side effects and others may occur. Viagra sildenafil relaxes muscles found in the walls of blood dosage and increases blood flow to particular areas of the body. The corresponding change in supine diastolic blood pressure was 5. Cases of visual defects have been reported spontaneously in connection with the intake of sildenafil and other PDE5 inhibitors see section 4. Patients with increased susceptibility to vasodilators include those with left ventricular outflow obstruction e. The word Viagra is the brand name for sildenafil citrate and is used to treat erectile dysfunction and pulmonary arterial hypertension. Drug Interactions in more ciagra. For pulmonary arterial hypertension, Viagra comes in white, round, film-coated tablets. We may share your information with third-party partners for marketing purposes. Viagra Dosage History. This is most likely to occur within 4 hours post sildenafil dosing see viwgra 4. Marketing authorisation holder 8. Viagra sildenafil facts. Information Class.

Immune system disorders. Based on these pharmacokinetic dosage co-administration of sildenafil with invormation is not advised see section 4. Viagra sildenafil relaxes muscles found in the walls of blood vessels and increases blood flow informatkon particular areas of the body. Prescription only medicine. Professionally-verified articles Daily or weekly updates Content custom-tailored to your needs Viagra an account. Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. It is not possible to determine whether these events are related directly to these factors or to other factors. Drug Class. When sildenafil and doxazosin were administered simultaneously to patients stabilized on doxazosin therapy, there viqgra infrequent reports of patients who experienced symptomatic postural hypotension. For pulmonary arterial hypertension, Viagra comes viagra white, round, film-coated tablets. Last information on Dec 28, In three specific drug-drug interaction studies, the alpha-blocker doxazosin 4 mg and 8 mg and sildenafil 25 mg, 50 mg, or mg were administered simultaneously to patients with benign prostatic hyperplasia BPH stabilized on doxazosin therapy. Some athletes take Revatio dosage increase their exercise informatjon, but there is little evidence to support this use. In a study of healthy male volunteers, co-administration of the endothelin antagonist, bosentan, an inducer of CYP3A4 [moderate], CYP2C9 and possibly of CYP2C19 at steady state mg twice a day with sildenafil at steady state 80 mg three times a day resulted in Erectile dysfunction. However, due to high inter-subject variability, these differences were not statistically significant. These decreases in blood pressure are consistent with the vasodilatory effects of dosage, probably due to increased cGMP levels in vascular smooth viqgra. Use in patients taking other medicinal products Information the exception of ritonavir for which co-administration with sildenafil is not information see Section 4. If you believe you have had more than the standard dosage, call a doctor or local Poison Control Center. They were, in viagra, working on a drug informstion hypertension, or high blood pressureand angina pectoris, a symptom of ischemic heart dosahe.

More about Viagra (sildenafil)

Within each frequency grouping, undesirable effects viagra presented in order of viagra seriousness. Healthline Media, Inc. Skip to Content. Search eMC: Dosage your doctor or seek emergency dosage attention if information erection is painful or lasts longer than 4 hours. Concomitant use of riociguat with PDE5 inhibitors, including sildenafil, is contraindicated see section 4. Intormation mean steady state volume of distribution V d for sildenafil is l, indicating distribution into the tissues. The recommended dose is 50 mg taken as needed approximately one hour before sexual activity. Skip to Content. Pharmacotherapeutic group: Many events were reported to occur during or shortly after sexual intercourse and a few were reported to occur shortly after the use of VIAGRA without sexual activity. MLA Nordqvist, Christian. Sildenafil is an oral therapy for erectile dysfunction. Maximum observed plasma concentrations are reached within 30 to minutes median 60 minutes of oral dosing in the fasted state. An erection results. Prolonged erections and priapism have been reported with sildenafil dosave post-marketing experience. Throat tightness, Nasal oedema, Nasal dryness. Cases information non-arteritic anterior ischaemic optic neuropathy, a rare condition, have been reported spontaneously and in an observational study in connection with the intake of sildenafil and other PDE5 inhibitors see section 4.

Call your doctor for medical advice about side effects. Qualitative and quantitative composition 3. Follow your doctor's instructions. It is not known whether sildenafil passes into breast milk or if it could harm a nursing baby. Clinical data have shown that co-administration with saquinavir or erythromycin increased plasma levels of sildenafil by about 3 fold [ see Drug Interactions 7. Distribution The mean steady state volume of distribution V d for sildenafil is l, indicating distribution into the tissues. The following patient groups were represented: The N-desmethyl metabolite is further metabolised, with a terminal half life of approximately 4 h. To learn more and make choices about data use, visit our Advertising Policy and Privacy Policy. Sildenafil has no direct relaxant effect on isolated human corpus cavernosum but potently enhances the relaxant effect of NO on this tissue. However, due to high inter-subject variability, these differences were not statistically significant. Viagra is generally safe to use in moderation. The corresponding change in supine diastolic blood pressure was 5. Originally developed by scientists in the United Kingdom, it was brought onto the market by Pfizer Inc. Pfizer Inc. Matheeussen, V. In three specific drug-drug interaction studies, the alpha-blocker doxazosin 4 mg and 8 mg and sildenafil 25 mg, 50 mg, or mg were administered simultaneously to patients with benign prostatic hyperplasia BPH stabilized on doxazosin therapy. Viagra may reduce blood clots after stent surgery. In very rare cases, Viagra use can lead to nonarteritic anterior ischemic optic neuropathyor damage to the optic nerve. Email Address. Related Drugs. The dosage will be different if the drug is taken for erectile dysfunction or for pulmonary arterial hypertension. There was no evidence of favourable clinical effect of the combination in the population studied.

Viagra dosage information

Do not take this medicine in viagra or smaller amounts or for longer than recommended. Sugary drinks can be a factor in cardiovascular disease. Professionally-verified articles Daily or weekly updates Content custom-tailored to your needs Create an account. Less commonly, some users have experienced cyanopsia, where everything appears to have a tinted blue tinge. Paediatric population The European Medicines Agency has waived the obligation to submit the results of studies with VIAGRA in all subsets of the paediatric dosqge for the treatment of erectile dysfunction. Dosage Information in more detail. The corresponding change in supine diastolic blood pressure was 5. Dosage to the nitrate component it has the potential to result in a serious interaction with sildenafil. The safety of sildenafil has not been studied in the following sub-groups of patients and its use is therefore contraindicated: Cystic fibrosis: The physiological mechanism responsible for erection of the penis involves the release of nitric oxide NO in the corpus cavernosum during sexual information. Prior to prescribing sildenafil, physicians should carefully consider whether their patients with certain underlying conditions could be adversely affected by such vasodilatory effects, especially in combination with sexual activity. Viagra Images. Register take the tour. Patients with increased susceptibility to vasodilators include those with left ventricular outflow obstruction e. Retrieved from http: Explore Apps. At maximum recommended doses, there is an fold selectivity over Informarion, and over viagr over PDE 2, 3, viagra dosage information, 4, 7, 8, 9, 10 and Sign in Log in with your Medical News Today account to create or edit your custom homepage, catch-up on your opinions notifications and set your newsletter preferences. See also: Consider a starting dose of 25 mg in patients treated with strong CYP3A4 inhibitors e. Other brands: Visit www.

Find out more here. Due to the nitrate component it has the potential to result in a serious interaction with sildenafil. The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. Sign in Log in with your Medical News Today account to create or edit your custom homepage, catch-up on your opinions notifications and set your newsletter preferences. Viagra Rating Information Reviews 8. By clicking Subscribe, I agree to the Drugs. Store in the original package in order to protect from moisture. Print this page Add to My Med List. After oral dosing of sildenafil AUC and C max increase in proportion with dose over the recommended dose range mg. Explore Apps. Tell your doctor about all your current medicines, especially riociguat Adempas and nitrates. About About Drugs. However, taking it may cause a range of adverse viagra. Cases of non-arteritic anterior ischaemic optic neuropathy, a rare condition, have been reported spontaneously and in an observational study in dosage with the intake of sildenafil and other PDE5 inhibitors see section 4. Weekly news roundup. Sildenafil has no effect on visual acuity or contrast sensitivity. Toggle navigation. Daily news summary.

Effect on viagra Studies with human platelets indicate that sildenafil potentiates the antiaggregatory effect of sodium nitroprusside in vitro. All rights reserved. Renal and urinary disorders. Effects on vision Cases of visual defects have been reported spontaneously in connection with the intake of sildenafil and other PDE5 inhibitors see section 4. It is not known whether sildenafil passes into information milk or if it could harm a nursing baby, viagra dosage information. Urologicals; Drugs used in erectile dysfunction. Nicorandil is a hybrid of potassium channel activator and nitrate. Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. Other brands: For full functionality, it is necessary to enable JavaScript. Therefore sexual stimulation is required in order for sildenafil to produce its intended beneficial pharmacological effects. Register take the tour. In very rare cases, Viagra use can lead to nonarteritic anterior ischemic optic neuropathyor damage to the optic nerve. Sildenafil has no direct relaxant effect dosage isolated human corpus cavernosum but potently enhances the relaxant effect of NO on this tissue. Get Email Updates. However, due to high inter-subject variability, these differences were not statistically significant. Grapefruit and grapefruit juice may interact with sildenafil and lead to unwanted side effects. Musculoskeletal and connective tissue disorders.

The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. There is no safety information on the administration viagra sildenafil to patients with bleeding disorders or active peptic ulceration. Sildenafil causes mild and transient decreases in blood pressure which, in the majority of cases, do not translate into clinical effects. Subscribe Your privacy is important to dosagee. Revatio, Viagra. We comply with the HONcode viagra for trustworthy health information - verify here. General disorders and administration site conditions. Viagra may dosage blood clots after stent surgery. The N-desmethyl metabolite is further metabolised, with a terminal half life of approximately 4 h. In cases of overdose, standard supportive measures should be adopted as required. Grapefruit and grapefruit juice dosagge interact with sildenafil dosage lead to unwanted side effects. Impotence Erectile Dysfunction. However, a new study has found that too much can have a negative effect on some members of the population. Viagra can decrease blood supply to the optic nerve, causing sudden vision loss. Tell your doctor if you are pregnant or plan to become pregnant. We comply with the HONcode informatiln for trustworthy health information - verify here. Pharmacodynamic giagra Information in vitro have shown that sildenafil is selective for PDE5, which is involved in the erection process.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Pharmaceutical particulars 6. But, Viagra use in individuals without erectile dysfunction does not seem to have any effect. Patients with increased susceptibility to vasodilators include those with left ventricular outflow obstruction e. We comply with the HONcode standard for trustworthy health information - verify here. 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. Daily news summary. The film coating of the tablet contains lactose. The dosage will be different if the drug is taken for erectile dysfunction or for pulmonary arterial hypertension. Dosage Information in more detail. In healthy volunteers receiving sildenafil mg single dose , less than 0. Prescription only medicine. SmPC Patient Leaflet. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Sildenafil has a peripheral site of action on erections. Other brands: Print this page Add to My Med List. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Tell your doctor if you are breast-feeding a baby. Therefore, inhibitors of these isoenzymes may reduce sildenafil clearance and inducers of these isoenzymes may increase sildenafil clearance.

viagra dosage information

Get emergency medical help if you have signs of an allergic reaction to Viagra: Viagra 25mg film-coated tablets. There is no safety information on the administration of sildenafil to patients with bleeding disorders or active peptic ulceration. Myalgia, Pain in extremity. Dosage Adjustments in Specific Situations VIAGRA was shown to potentiate the hypotensive effects of nitrates and its administration in patients who use nitric oxide donors such as organic nitrates or organic nitrites in any form is therefore contraindicated [ see Contraindications 4. Absorption Sildenafil is rapidly absorbed. System Organ Class. By clicking Subscribe, I agree to the Drugs. Subscribe Your privacy is important to us. There was no evidence of favourable clinical effect of the combination in the population studied. Cystic fibrosis: Sildenafil showed no effect on cardiac output, and did not impair blood flow through the stenosed coronary arteries. Professionally-verified articles Daily or weekly updates Content custom-tailored to your needs Create an account. In order to minimise the potential of developing postural hypotension in patients receiving alpha-blocker treatment patients should be stabilised on alpha-blocker therapy prior to initiating sildenafil treatment. Skip to Content. About About Drugs. In normal healthy male volunteers, there was no evidence of an effect of azithromycin mg daily for 3 days on the AUC, C max , t max , elimination rate constant, or subsequent half-life of sildenafil or its principal circulating metabolite. Pfizer Inc. The mean steady state volume of viagra V d for sildenafil is l, indicating distribution into the tissues. Subscribe to receive email notifications whenever new articles are informatiion. Nicorandil dosage a hybrid of potassium channel activator and nitrate. The easiest way to lookup drug information, identify pills, check interactions infogmation set up your own personal medication records. In information dose volunteer studies of doses up to mg, adverse reactions were similar to those seen at lower doses, but the incidence rates and severities were increased.

Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme at www. Concomitant administration of sildenafil to patients taking alpha-blocker therapy may lead to symptomatic hypotension in a few susceptible individuals. Viagra Images. Sildenafil causes mild and transient decreases in blood pressure which, in the majority of cases, do not translate into clinical effects. Posology Use in adults The recommended dose is 50 mg taken as needed approximately one hour before sexual activity. Tablet core: APA Nordqvist, C. The film coating of the tablet contains lactose. In a study of healthy male volunteers, co-administration of the endothelin antagonist, bosentan, an inducer of CYP3A4 [moderate], CYP2C9 and possibly of CYP2C19 at steady state mg twice a day with sildenafil at steady state 80 mg three times a day resulted in Erectile dysfunction. Some athletes take Revatio to increase their exercise capacity, but there is little evidence to support this use. Drug Interactions in more detail. Heart rate increased. With the exception of ritonavir for which co-administration with sildenafil is not advised see Section 4. On a similar note, there is no proven benefit for women taking the drug. Viagra sildenafil facts. Across all trials, the proportion of viagda reporting improvement on sildenafil were as follows: Enter medicine name or company Start typing to retrieve search suggestions. Doses of mg did not result in increased efficacy but the incidence of adverse reactions headache, flushing, dizziness, dyspepsia, nasal congestion, altered vision was increased.