Why is it prescribed drugs? Return upwards The sildénafil (Viagra) is used to treat the dysfonction érectile (impotence, the incapacity to obtain or maintain an erection) at the men.
The sildénafil (Revatio) is used to improve the capacity of exercise at the people presenting a pulmonary arterial hypertension (HTAP; arterial hypertension in the vessels transporting blood towards the lungs, which causes the breathlessness, dizzy spells and tiredness). The sildénafil is in a class of drugs called phosphodiestérase (PDE) inhibitors. The sildénafil treats the dysfonction érectile by increasing blood flow with the penis during sexual stimulation. This increase in blood circulation can involve an erection. The sildénafil treats HAP by releasing the blood vessels in the lungs to make it possible blood to easily circulate. If you take sildénafil to treat the dysfonction érectile, you should know that it does not cure the dysfonction érectile or to increase the sexual desire. The sildénafil does not make obstacle with the pregnancy or the propagation of the sexually transmitted diseases such as the virus of human immunodéficience (HIV). How this drug should be used? Return upwards The sildénafil is a tablet to be taken by the mouth. If you take sildénafil to treat the dysfonction érectile, follow the indications of your doctor and with the directives contained in this paragraph. Take the sildénafil that necessary before the sexual activity. The best moment to take sildénafil is approximately 1 hour before the sexual activity, but you can take the drug any time 4 a.m. to 30 minutes before the sexual activity. Usually the sildénafil should not be taken more than one once every 24 hours. Cialis Online If you have certain conditions of health or the catch of certain drugs, your doctor can say to you to less often take sildénafil. You can take sildénafil with or without food. However, if you take sildénafil with a meal rich in lipids, it will take time for the drug to start to work. If you take sildénafil for the treatment of the HAP, follow the indications of your doctor and with the directives contained in this paragraph. You will have to probably take sildénafil three times per day with or without food. Take the sildénafil about at the same time tous.les.jours, and your space of amounts from 4 to 6 hours of interval. Carefully follow the instructions on your label of regulation, and ask your doctor or your pharmacist to explain any part you do not include/understand. Take exactly the sildénafil as indicated. Pharmacy Not to take this one more or less or to take more often than prescribed by your doctor. If you take sildénafil load of the dysfonction érectile, the doctor will start with you on an average amount of sildénafil and to increase or decrease your amount according to your response to the drug. Warn your doctor if the sildénafil does not function well or if you test side effects. If you take sildénafil for the HAP, you must know that the sildénafil controls HAP but it does not cure. Sildénafil to continue to take even if you smell yourselves well. Do not stop taking sildénafil without in speaking to your doctor. Ask your pharmacist or your doctor to obtain a specimen of the manufacturer of information for the patient. Other uses for this medicine Return upwards This drug is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Which particular precautions do I have to follow? Return upwards Before taking the sildénafil, * Speak to your doctor and to pharmacist if you are allergic to the sildénafil or any other drug. * Sildénafil do not take if you take or took recently the nitrates (drugs for pains with the chest), such as the dinitrate of isosorbide (Isordil), isosorbide mononitrate (Imdur, ISMO), and with nitroglycerin (Nitro-BID, Nitro-Hard, Nitroquick, Nitrostat, And others). The nitrates come in the form of tablets, sublingual (under the language) compressed, sprays, patchs, pastes, and of the ointments. Ask to your doctor if you are not sure to know if one of your drugs containing of nitrates. * Not to take drugs of the street containing of nitrates like amyl nitrite and nitrate of butyl (”poppers”), while taking sildénafil. * Speak to your doctor and to pharmacist which drugs on ordinance and without ordinance, of the vitamins, the nutritional supplements and you take or plan to take. Do not forget to mention one of the following elements: alpha-blocking such as the alfuzosine (Uroxatral), the doxazosine (Cardura), prazosine (Minipress), tamsulosine (Flomax), and térazosine (Hytrin), the amlodipine (Norvasc), certain antifongic such as the itraconazole (Sporanox) and the kétoconazole (Nizoral), the anticoagulants (’ thinners of blood”) like warfarin (Coumadin), some, such as the barbiturates butalbital (in Esgic-Plus, Fioricet, Fiorinal, others) and sécobarbital (Seconal), beat-blockings such Like the aténolol (Tenormin), labétalol (Normodyne), the métoprolol (Lopressor, Toprol XL), nadolol (Corgard), (Inderal), the bosentan (Tracleer), the cimétidine (Tagamet), the efavirenz (Sustiva), the érythromycine (SEE, E - Mycin, Erythrocin), inhibitors of protease of the HIV, including amprénavir it (Agenerase), atazanavir it (Reyataz), to darunavir (Prezista), to fosamprénavir it (Lexiva), to indinavir it (Crixivan), to lopinavir it (Kaletra), to nelfinavir it (Viracept), to ritonavir it (Norvir, In Kaletra), to saquinavir it (Fortovase, Invirase), and it to tipranavir (Aptivus), the névirapine (Viramune), other drugs or devices for drugs for arterial hypertension; certain drugs for the seizures, including the carbamazépine (Carbatrol, Epitol, Tegretol), phenobarbital and the phénytoïne (Dilantin, Phenytek), the rifabutine (Mycobutin), and the rifampine (Rifadin, Rimactane). Your doctor will be able to decide to modify the amounts of your drugs or to supervise you attentively the appearance of side effects. Many of other drugs can also interact with the sildénafil, therefore ensure you to warn your doctor of all the drugs which you take, even those which are not reproduced on this list. * To indicate to your doctor what products containing plants which you take or plan to take, in particular St John’ S wort. * To indicate to your doctor if you smoke, if you already had an erection which lasted during several hours, and if you recently lost a great quantity of body liquids (dehydration). That can occur if you are sick with fever, the diarrhoea or vomiting; perspire much, or which does not drink sufficient liquids. Also, warn your doctor if you have or already had pulmonary veino-occlusive (PVOD; obstruction of the veins in the lungs), of an ulcer of the stomach, the c?ur, kidneys or liver, a heart attack, an irregular rate of heartbeat, a cerebral vascular accident; Pains with the chest, high or low blood pressure; high rate of cholesterol, a disorder of coagulation; problems of circulation blood, the blood of the cells of the problems such as the drépanocytose (a disease of the red globules), the multiple myélome (cancer of the plasmatic cells), or leukaemia (Cancer of the white globules), conditions affecting the shape of the penis (for example, angulation, cavernous fibrosis or the disease of Peyronie), or the diabetes. Also, warn your doctor if you or a member of your family have or had already a disease of the?il such as the pigmentary retinite (a hereditary affection ocular which causes the loss of the vision), or if you already had a loss of sudden vision severe, especially if you were Dit that the loss of vision is caused by a blocking of blood circulation towards the nerves which help you to see. * To indicate to your doctor if you are pregnant, envisage to become pregnant or nurse. If you become pregnant while taking sildénafil, call your doctor. * If you have surgery, in particular the dental surgery, speak to your doctor or to dentist whom you take of the sildénafil. * If you take sildénafil to treat the dysfonction érectile, say it to your doctor if you were already informed by a professional of health in order to avoid the sexual activity for medical reasons or if you already felt pains with the chest during the sexual activity. The sexual activity can be a stock of your heart, particularly if you suffer from cardiac disorders. If you test pains with the chest, dizzy spells, nauseas or during the sexual activity, call your doctor immediately and to avoid the sexual relations until your doctor says to you the opposite. * To let know with all your suppliers of care of health which you take of the sildénafil. If ever you urgently need medical care for a cardiac problem, the suppliers of care of health which treats you will need to know at the time of your last took sildénafil. What dietetic special instructions do I have to follow? Return upwards Speak to your doctor to eat and about drinking grapefruit juice of grapefruit during the catch of this drug. What do I have to make if I forget an amount? Return upwards If you take sildénafil load of the dysfonction érectile, it is not very probable that it forget an amount because this drug is taken if need be, and not on a regular catch of the drug. If you take sildénafil for the HAP, take the forgotten amount as soon as you remember it. However, if it is almost time for the next amount, let make the missing amount and continue the regular catch of the drug. Do not take a double dose for a missed appointment. Which are the adverse effects of this drug can cause? Return upwards The sildénafil can cause side effects. Warn your doctor if one of these symptoms are serious or that they do not disappear: * Headaches * Heartburn * Diarrhoea * Puffs of heat (feeling of heat) * Nosebleed * Difficulty of falling asleep or of remaining deadened * Numbness, feeling of burn, or the tinglings in the arms, the hands, the feet or the legs * Muscular pains * Modifications of the vision of the colors (see a blue colour on the objects or of the difficulty of saying the difference between blue and the green) * Sensitivity to the light Certain side effects can be serious. If you feel one of the following symptoms, call your doctor immediately: * Sudden loss of severe vision (see below for more information) * Eye trouble * Abrupt reduction or hearing impairment * Sound with the ears * Erection which is painful or hard more than 4 hours * Dizzy spells or of giddinesses * Fainding * Pain with the chest * Aggravation of the breathlessness * Itchings or a feeling of burn at the time to urinate * Cutaneous eruption Certain patients knew an abrupt loss of whole or part of their vision after they took the sildénafil or other drugs which are similar to sildénafil. The loss of vision is permanent in certain cases. It is not known if the loss of vision is caused by the drug. If you feel a sudden loss of the vision while you take sildénafil, call your doctor immediately. Do not take more amounts of sildénafil or even of the drugs such as the tadalafil (Cialis) or vardénafil (Levitra) until you speak to your doctor. It ya have reports/ratios of heart attack, of cerebral vascular accident, irregular cardiac beats, bleedings in the brain or lungs, of arterial hypertension, and sudden death at the men who took the sildénafil the dysfonction érectile. The majority, but not totality, of these people had cardiac problems before taking sildénafil. One does not know if these events were caused by the sildénafil, the sexual activity, the cardiac diseases, or a combination of these measurements and others causes.Talk with your doctor about the risks to take sildénafil. Certain patients knew a sudden fall hearing impairment or after they took the sildénafil or other drugs which are similar to sildénafil. The auditive loss generally implied only one ear and cannot better obtain. It is not known if the hearing impairment were caused by the drug. If you feel a sudden loss of hearing, sometimes with ears or dizzy spells, whereas you take sildénafil, call your doctor immediately. If you take sildénafil (Viagra) of the dysfonction érectile, do not take more amounts of sildénafil (Viagra) or other drugs such as the tadalafil (Cialis) or vardénafil (Levitra) until you speak to your doctor. If you take sildénafil (Revatio) for the HAP, not to cease taking your drug before speaking to your doctor about it. The sildénafil can cause other side effects. Communicate with your doctor if you have unusual problems while you take this drug. If you feel an adverse effect engraves, you or your doctor can send a report/ratio to Food and Drug Administration (FDA) MedWatch