Viagra Tablets

The physiological mechanism responsible for erection of the penis involves the release of nitric oxide NO in the corpus cavernosum during sexual stimulation. Your browser is unable to add products to your shopping cart because you have JavaScript disabled. You may find Viagra takes longer to work if you take it with a heavy meal. Avigra Sildenafil mg 12's Discontinued. Show table of contents Hide table of contents 1. Contraindications ager under 18 years old women hypersensivity to sildenafil and inactive ingredients regular or periodic use of drugs containing nitrates or nitrites. Therefore, concomitant administration of strong CYP3A4 inducers, such as rifampin, is expected to cause greater decreases in biagra concentrations of sildenafil. There are corpora cavernosa in the penis. Musculoskeletal and connective tissue disorders. Tachycardia, Palpitations. In the natural setting, i. It should be taken with plenty of water not cold. NPS MedicineWise disclaims all liability including for negligence for any loss, damage or injury resulting from reliance on or use of this information. What is this? In addition, physicians should advise patients what to do in the event of postural hypotensive symptoms. With the exception of ritonavir for which co-administration with sildenafil is not advised see Section 4. Tell any other doctors, dentists and pharmacists who are treating you that you are taking Viagra. When sildenafil and doxazosin were administered simultaneously to patients stabilized on doxazosin 50g, there were infrequent reports of patients who experienced symptomatic postural hypotension. Email this Page. The amount 50jg time Viagra takes to start working varies from person to person, but it normally takes between half an hour and one hour. The safety of sildenafil has not been studied in the following sub-groups of patients and its use is therefore contraindicated: Can be used at any age from 18 years.

Use in patients taking other medicinal products With the exception of ritonavir for which co-administration with sildenafil is not advised see Section 4. An extensive network of small arterioles is inside these corpora cavernosawhich are filled with blood during relaxation of the muscles of the penis. If myocardial infarction or stroke was 50mg in the last 6 months it is contraindicated the preparation administration. Sildenafil had no effect on saquinavir pharmacokinetics see section 4. Clinical efficacy and safety Two clinical studies were specifically designed to assess the time window after dosing during which sildenafil could produce an erection in response to sexual stimulation. Sildenafil and other Phosphodiesterase type 5 PDE5 drugs work by increasing blood flow to the penis. The product is produced in the form of round film-coated tablet. The dosage is also prescribed by the doctor. Does not affect the quality of the semen and may be taken before planned conception. All medicines have side effects. Satisfaction with treatment. The European Medicines Agency has waived the viagra to submit the results of studies with VIAGRA in all subsets of the paediatric population for the treatment of erectile dysfunction. In healthy male volunteers, sildenafil at steady state 80 mg t, viagra 50mg. Patients with increased susceptibility to vasodilators include those with left ventricular outflow obstruction e. Sildenafil showed no effect on cardiac output, and did not impair blood flow through the stenosed coronary arteries.

In controlled clinical trials, the discontinuation rate due to sildenafil was low and similar to placebo. Company contact details Pfizer Limited. If myocardial infarction or stroke was registered in the last 6 months it is contraindicated the preparation administration. Studies with human platelets indicate that sildenafil potentiates the antiaggregatory effect of sodium nitroprusside in vitro. Tell your doctor or pharmacist if you notice any of the following and they worry you: There was no evidence of favourable clinical effect of the combination in the viagrs studied. 50mg eMC: The dosage viagga does not give the better effect, but quality and quantity of side effects increase. Therefore, inhibitors of these isoenzymes may reduce sildenafil clearance and inducers of these isoenzymes may increase sildenafil clearance. Viagra stops it. Read our privacy policy. Immune system disorders. Viagra 50mg tablets should be taken within an hour of viagra sex and in most cases it helps you to get an erection in about 30 minutes that will last for around 4 hours, viagra 50mg, provided you are sexually excited. A locked cupboard at least one-and-a-half metres above the ground is a good place to store medicines. Viagra 50mg tablets relax the blood vessels in the penis increasing blood flow and causing an erection, which is the natural response to sexual stimulation.

SmPC Patient Leaflet. If you are about to start taking any viagra medicines, especially nitrates, or Adepmas riociguattell your doctor and pharmacist that 50jg are taking Viagra. The drug helps to strengthen 50mg maintain erectile function. Date of revision of the text. Things to be careful of Be careful drinking alcohol while taking Viagra. Your first prescription will 50ng be for 50mg, which is the recommended starting dose. Film-coated tablet. However, in viagra process of clinical trials some negative effects were registered:. Taking other medicines Tell your doctor or pharmacist if you are taking any other medicines, including medicines you buy without a prescription from a pharmacy, supermarket or health 50mg shop. The drug Viagra inhibits PDE5 substance and provides the erection. Nitrate medicines include glyceryl trinitrate also called nitroglycerin. What Viagra is used for Viagra is used to treat erectile dysfunction, more commonly known as impotence, in men. Calculation of dosage The drug is taken continuously or once. Hypersensitivity to the active substance or to any of the excipients listed in section 6. Excipient with known effect:

Viagra 50mg

Do this even if there are no signs of discomfort or poisoning. How much to take Your doctor will decide the correct dose for you depending on your condition and response. 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. The postulated mechanism for this change in colour discrimination is related to inhibition of PDE6, which 50mg involved in the phototransduction cascade of the retina. All medicines have risks and benefits. Side effects were registered at the increase of the recommended dose. Studies in vitro have shown that sildenafil is viagra for PDE5, which is involved in the erection process, viagra 50mg. The mean maximum decreases in supine systolic blood pressure following mg oral dosing of sildenafil was 8. The safety and efficacy of sildenafil was maintained in long term studies. Select the currency that you would like to display the prices in. Storage conditions: Tell your doctor or pharmacist as soon as possible if you do not feel well while you are taking Viagra. You should take no more than one tablet a day and only if you plan to have sex. It is contraindicated in children the preparation taking. Side effects are more likely at higher doses.

An extensive network of small arterioles is inside these corpora cavernosawhich are filled with blood during relaxation of the muscles 50mg the penis. You should take one Viagra 50mg tablet with 50mg glass of water approximately one hour before sexual activity and without food. However, in the process of clinical trials some negative effects were registered:. It is recommended the administration of the drug once taking with water. The film coating of the tablet contains lactose. Search eMC: What is the process of viagra Combination with other medicines: Gastro oesophageal reflux disease, Vomiting, Abdominal pain upper, Dry viagra. These decreases 50mg blood pressure are consistent with the vasodilatory effects of sildenafil, probably due to increased cGMP levels in vascular viagra muscle. Protein binding is independent of total drug concentrations. Posology Use in adults The recommended dose is 50 mg taken as needed approximately one hour before sexual activity. Several factors can affect the efficacy of sildenafil citrate, including sexual stimulation, and what you eat and drink at the time. At maximum recommended doses, there is an fold selectivity over PDE1, and over fold over PDE 2, 3, 4, 7, 8, 9, 10 and You should take no more than one tablet a day and only if you plan to have sex. All medicines have side effects. Each tablet contains sildenafil citrate equivalent to 25, 50 or mg of sildenafil.

Perfect Dose of Viagra -- How Much Are You Taking???

Make sure your doctor knows you are taking Viagra. Some medicines and Viagra may interfere with each other. In cases of overdose, standard supportive measures should be adopted as viagra. When sildenafil and doxazosin were administered simultaneously to patients stabilized on doxazosin therapy, there were infrequent reports of patients who experienced symptomatic postural hypotension. Tell any other doctors, dentists and pharmacists 50mg are treating you that you are taking Viagra. Taking other medicines Tell your doctor or pharmacist if you are taking any other medicines, including medicines you buy without a prescription from a pharmacy, viagra 50mg, supermarket or health food shop. Do not give Viagra to anyone else, even if they have the same condition as you. Therefore sildenafil should be administered to these patients only after careful benefit-risk assessment. 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. It is not recommended to take the 50mg in a state of alcoholic inebriation — in this case even a small dose of alcohol can be harmful for blood circulation in the pelvic organs and sildenafil will not have the desired effect. In addition each tablet contains magnesium stearate, mono acid calcium phosphate, titanium dioxide, viagra agent indigo carmine, lactose. Heat and dampness can destroy some medicines. Two clinical studies were specifically designed to assess the time window after dosing during which sildenafil could produce an erection in response to sexual stimulation. All other contraindications 50mg peculiarities should be discussed with the doctor, who prescribed the preparation. If any of the following happen, tell your doctor immediately or go to Accident and Emergency at your nearest hospital: General disorders and administration site conditions. This enzyme increases levels of a chemical called cyclic guanosine monophosphate cGMPwhich relaxes the blood vessels in the penis and allows viagra to fill the spongy erectile tissues to cause an erection. View our policy and select your preferences here. G04B E They may differ from the information contained in this leaflet. Pralatrexate for lymphoma 28 February Find out more here. Viagra may have a minor influence on the ability to drive and use machines.

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Viagra belongs to a group of medicines called phosphodiesterase type 5 inhibitors. Viagra 50mg 4's Product Information. Nusinersen for spinal muscular atrophy 28 February What is in this leaflet This leaflet answers some common questions about Viagra. Though the mg effects do not last longer than a lower viagra, the higher concentration does have a more profound effect. If priapism is not treated immediately, penile tissue damage and permanent loss of potency could result. Shelf life is 2 years. Tell your doctor or pharmacist as soon as possible viayra you do not feel well while you are taking Viagra. The drug Viagra inhibits Viagra substance and provides the erection. The severe forms of allergic reactions are dangerous for life and require the qualified treatment. When taken before planned 50mg activity, Viagra mg tablets inhibit the 5m0g by the enzyme PDE5 of a chemical called cGMP, produced in the erectile tissue viagrz the penis during sexual arousal, and this action allows blood flow into the penis causing an erection. If you experience changes in vision, or dizziness, when taking Viagra, you should not drive or operate machinery. Several factors can affect the efficacy of sildenafil citrate, including sexual stimulation, and what you eat and drink at the time. Based on efficacy and tolerability, the dose may be increased step-wise to 50 mg up to mg vaigra necessary. In some 50mg priapism was registered. Seek medical attention urgently. In most 550mg the drug is well tolerated by patients, viagra 50mg. The film coating of the tablet contains lactose.

The mean steady state volume of distribution V d for sildenafil is l, indicating distribution into the tissues. Follow all directions given to you by your doctor and pharmacist carefully. If you take your tablets out of the pack they will not keep as well. Renal and urinary disorders. Generic sildenafil citrate comes in preparations of 25mg, 50mg and mg. 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. Smooth muscle of the cavernous body should be relaxed, nitric oxide is released in the body at the sexual arouse, more and more blood rushes to the penis, it swells and this is a natural reaction to the stimulation. Summary of the safety profile The safety profile of VIAGRA is based on 9, patients in 74 double blind placebo-controlled clinical studies. It is prescribed with caution to persons with the penis deformation, as well as with diseases of the circulatory system and predisposition to priapism. The physiological mechanism responsible for erection of the penis involves the release of nitric oxide NO in the corpus cavernosum during sexual stimulation. In particular, sildenafil has greater than 4,fold selectivity for PDE5 over PDE3, the cAMP-specific phosphodiesterase isoform involved in the control of cardiac contractility. No relevant adverse effects were found in reproduction studies in rats and rabbits following oral administration of sildenafil. There was no effect on sperm motility or morphology after single mg oral doses of sildenafil in healthy volunteers see section 5. The corresponding change in supine diastolic blood pressure was 5. This is consistent with ritonavir's marked effects on a broad range of P substrates. Sildenafil is rapidly absorbed. Read our privacy policy. As dizziness and altered vision were reported in clinical trials with sildenafil, patients should be aware of how they react to VIAGRA, before driving or operating machinery. Sildenafil causes mild and transient decreases in blood pressure which, in the majority of cases, do not translate into clinical effects. 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. Viagra 50mg tablets should be taken within an hour of planned sex and in most cases it helps you to get an erection in about 30 minutes that will last for around 4 hours, provided you are sexually excited. Sildenafil has vasodilator properties, resulting in mild and transient decreases in blood pressure see section 5. Viagra 50mg tablets relax the blood vessels in the penis increasing blood flow and causing an erection, which is the natural response to sexual stimulation. Do not take Viagra if the expiry date on the pack has passed. It is prohibited to combine Viagra and drugs that reduce the level of glucose in blood and anti-arrhythmic drugs especially beta blockers.

viagra (sildenafil)

Continue typing to refine. Therefore the use of such combinations is not recommended. Pooling of the following classes of antihypertensive medication; diuretics, beta-blockers, ACE inhibitors, angiotensin II antagonists, antihypertensive medicinal products vasodilator and centrally-acting , adrenergic neurone blockers, calcium channel blockers and alpha-adrenoceptor blockers, showed no difference in the side effect profile in patients taking sildenafil compared to placebo treatment. The pharmacokinetics of sildenafil in patients with severely impaired hepatic function have not been studied. Nitric oxide then activates the enzyme guanylate cyclase, which results in increased levels of cyclic guanosine monophosphate cGMP , producing smooth muscle relaxation in the corpus cavernosum and allowing inflow of blood. Concomitant use of riociguat with PDE5 inhibitors, including sildenafil, is contraindicated see section 4. It does not take the place of talking to your doctor or pharmacist. Increases blood flow in the genitourinary system, which is useful for all of the pelvic organs and helps cure some diseases. Pharmacokinetic parameters of drugs give evidence to the high absorption. Therefore sildenafil should be administered to these patients only after careful benefit-risk assessment. Sildenafil is rapidly absorbed. Pralatrexate for lymphoma 28 February But, if well tolerated and only mediocre results are reported, men are then often upgraded to sildenafil mg. The single intake of Viagra in therapeutic dose did not influence the quality of sperm negatively. Can be used at any age from 18 years. Sildenafil showed no effect on cardiac output, and did not impair blood flow through the stenosed coronary arteries. For the full list of excipients, see section 6. The patients, who are contraindicated sexual intercourses, should abstain from Viagra intake.

In addition, physicians should advise patients what to do in the event of postural hypotensive symptoms. The amount of time Viagra takes to start working varies from person to person, but it normally takes between half an hour and one hour. No relevant adverse effects were found in reproduction studies in rats and rabbits following oral administration of sildenafil. Viagra 50mg tablets do not work if you are not aroused. Medically important adverse reactions reported at an incidence greater than placebo in controlled clinical studies and medically important adverse reactions reported through post-marketing surveillance. Show table of contents Hide table of contents 1. Do not give Viagra to anyone else, even if they have the same condition as you. Legal Category POM: If you experience changes in vision, or dizziness, when taking Viagra, you should not drive or operate machinery. Sildenafil, which appeared on the market in the late 90s, is the first really effective drug that has helped solve the problem of erectile dysfunction to large number of men. The main thing is not to exceed the maximum dose of mg. Shelf life is 2 years. These reports included dizziness and light-headedness, but not syncope. Heat and dampness can destroy some medicines. Posology Use in adults The recommended dose is 50 mg taken as needed approximately one hour before sexual activity. Non-clinical data revealed no special hazard for humans based on conventional studies of safety pharmacology, repeated dose toxicity, genotoxicity, carcinogenic potential, and toxicity to reproduction and development. Skip to main content. No significant interactions were shown when sildenafil 50 mg was co-administered with tolbutamide mg or warfarin 40 mgboth viahra which are metabolised by CYP2C9. In addition, initiation of sildenafil at a dose of 25 50mg should be viagra see sections 4.

Does not affect the quality of the semen and may be taken before planned conception. Please note: The results demonstrated no clinically relevant differences between sildenafil and placebo in time to limiting angina. Ask your doctor or pharmacist, if you are not sure if you are taking any of these medicines. Based on efficacy and tolerability, the dose may be increased to mg or decreased to 25 mg. You should take one Viagra 50mg tablet with a glass of water approximately one hour before sexual activity and without food. Viagra 50mg tablets relax the blood vessels in the penis increasing blood flow and causing an erection, which is the natural response to sexual stimulation. Click here for help about this. Sildenafil has vasodilator properties, resulting in mild and transient decreases in blood pressure see section 5. This information is not intended as a substitute for medical advice and should not be exclusively relied on to manage or diagnose a medical condition. See related product images. There is a fold selectivity over PDE6 which is involved in the phototransduction pathway in the retina. Therefore, inhibitors of these isoenzymes may reduce sildenafil clearance and inducers of these isoenzymes may increase sildenafil clearance. Patients with increased susceptibility to vasodilators include those with left ventricular outflow obstruction e. Your doctor has weighed the risks of you taking Viagra against the benefits they expect it will have for you. Log in Log in All fields are required. Sildenafil and other Phosphodiesterase type 5 PDE5 drugs work by increasing blood flow to the penis. Posology Use in adults The recommended dose is 50 mg taken as needed approximately one hour before sexual activity. The major circulating metabolite results from N-demethylation of sildenafil. Viagra 50 mg film-coated tablets. What is this? For the full list of excipients, see section 6. You may not get any of them. You should consult the specialist and read carefully the instructions before taking Viagra. Product Price List. How should Viagra be stored? If unwanted effects occur, most are likely to be minor and temporary. The recommended dose is 50 mg taken as needed approximately one hour before 50mg activity. There are corpora cavernosa in the penis. If your erection continues for four hours, or sooner if there is pain, you should seek medical attention urgently rarely men have lost eyesight sometime after taking viagrz to treat erectile dysfunction known as impotence. Effect on bleeding Studies with human platelets indicate that sildenafil potentiates the antiaggregatory effect viagra sodium nitroprusside in vitro, viagra 50mg.