Sildenafil: MedlinePlus Drug Information

Do not take more or less of it or take it more often last prescribed by cialis doctor. Using this medicine with any of the following may cause an increased risk of certain side effects but may be unavoidable in some cases. If does will be taking this medicine for pulmonary arterial hypertension, your doctor will want visit web page check your progress at regular visits.

Call your doctor for medical advice about viagra effects. Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. Contact your doctor or seek emergency medical than if your longer is painful or lasts longer than 4 hours.

Do not mix the liquid with other medications or add anything to flavor the medication. If you are taking sildenafil for erectile dysfunction, your doctor will probably start you on an average dose of sildenafil and increase or decrease your dose depending on your response to the medication.

Tell your doctor if sildenafil is not working well or if you are experiencing side effects. Continue to take sildenafil even if you feel well. Do not stop taking sildenafil without talking to your doctor. Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient. Other uses for this medicine This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

What special precautions should I follow? Before taking sildenafil, tell your doctor and pharmacist if you are allergic to sildenafil, any other medications, or any of the ingredients in sildenafil products.

Ask your pharmacist for a list of the ingredients. Nitrates come as tablets, sublingual under the tongue tablets, sprays, patches, pastes, and ointments. Ask your doctor if you are not sure whether any of your medications contain nitrates. Be sure to mention any of the following: alpha blockers such as alfuzosin Uroxatral , doxazosin Cardura , prazosin Minipress , tamsulosin Flomax, in Jalyn , and terazosin; amlodipine Norvasc, in Amturnide, in Tekamlo ; certain antifungals such as itraconazole Onmel, Sporanox and ketoconazole Nizoral ; anticoagulants 'blood thinners' such as warfarin Coumadin, Jantoven ; certain barbiturates such as butalbital in Butapap, in Fioricet, in Fiorinal, others and secobarbital Seconal ; beta blockers such as atenolol Tenormin, in Tenoretic , labetalol Trandate , metoprolol Lopressor, Toprol XL, in Dutoprol , nadolol Corgard, in Corzide , and propranolol Hemangeol, Inderal LA, InnoPran ; bosentan Tracleer ; cimetidine ; efavirenz Sustiva, in Atripla ; erythromycin E.

Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Many other medications may also interact with sildenafil, so be sure to tell your doctor about all the medications you are taking, even those that do not appear on this list.

John's wort. This can happen if you are sick with fever, diarrhea, or vomiting; sweat a lot; or do not drink enough liquids. Also tell your doctor if you have or have ever had pulmonary veno-occlusive disease PVOD; blockage of veins in the lungs ; a stomach ulcer; heart, kidney, or liver disease; a heart attack; an irregular heartbeat; a stroke; chest pain; high or low blood pressure; high cholesterol; a bleeding disorder; blood circulation problems;blood cell problems such as sickle cell anemia a disease of the red blood cells , multiple myeloma cancer of the plasma cells , or leukemia cancer of the white blood cells ; conditions affecting the shape of the penis e.

Also tell your doctor if you or any of your family members have or have ever had an eye disease such as retinitis pigmentosa an inherited eye condition that causes loss of vision or if you have ever had sudden severe vision loss, especially if you were told that the vision loss was caused by a blockage of blood flow to the nerves that help you see.

If you become pregnant while taking sildenafil, call your doctor. Sexual activity may be a strain on your heart, especially if you have heart disease.

If you experience chest pain, dizziness, or nausea during sexual activity, call your doctor immediately and avoid sexual activity until your doctor tells you otherwise. If you ever need emergency medical treatment for a heart problem, the healthcare providers who treat you will need to know when you last took sildenafil. What special dietary instructions should I follow? Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine.

What should I do if I forget a dose? If you are taking sildenafil for erectile dysfunction, you are unlikely to miss a dose since this medication is taken as needed, not on a regular dosing schedule.

If you are taking sildenafil for PAH, take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one. Drinking alcohol with this medicine can cause side effects. Grapefruit may interact with sildenafil and lead to unwanted side effects. Avoid the use of grapefruit products. Avoid using any other medicines to treat impotence, such as alprostadil or yohimbine, without first talking to your doctor.

Do not use in larger or smaller amounts or for longer than recommended. Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Revatio is usually taken three times each day, about 4 to 6 hours apart. Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. You may take it up to 4 hours before sexual activity. Do not take Viagra more than once per day. Shake the oral suspension liquid before you measure a dose. Use the dosing syringe provided, or use a medicine dose-measuring device not a kitchen spoon.

Viagra can help you have an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Follow your doctor's instructions. 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.

How Long They Last: Viagra, Levitra, Cialis, Staxyn, and Stendra | Online Prescription Medications

The tablets can be taken with or without food.

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Patients with levitra problems sildenafil stop taking these agents and seek prompt medical care. Applies to: Hearing Loss, Tinnitus Use of phosphodiesterase-5 PDE5 inhibitors has been associated with sudden decrease or loss of hearing, which may be accompanied by tinnitus or dizziness.

The first vardenafil version viagra Levitra to go on sale in the United States debuted at the beginning of November in There are no controlled clinical data on the safety in patients and retinitis pigmentosa, a minority of tadalafil may have genetic disorders of retinal phosphodiesterases.

Vital signs have wide applications that lead to the growth of cialis industry.

Taken faithfully every day, low-dose 2. To learn more, visit its Erectile Dysfunction page. Beyond its indications for erectile dysfunction, vardenafil may be effective in the treatment of premature ejaculationwhere it may significantly increase the time from penetration to ejaculation.

The Canadian Journal of Urology. If you take medicines called alpha-blockers, which are sometimes prescribed for prostate problems or high blood pressure, you should not start treatment for erectile dysfunction with STAXYN.

Stimmel, Pharm.

Stimmel, Pharm. Gutierrez, Pharm. Retrieved Food and Drug Administration. The American Journal of Cardiology.

The Canadian Journal of Urology. Reviews in Urology. Customers How will the package look like? Your medications will arrive safely in a standard FedEx or U. Postal Service Priority Mail envelope. The packaging is discreet, with no exterior invoice or packing slip, to ensure that the contents are kept confidential.

We provide the high level of privacy you should expect from an experienced online facilitator. Its active ingredient is stronger than that of Viagra, thus necessitating lower doses to produce the desired effect. However, as sold to consumers, both Levitra and Viagra are very similar in terms of onset and duration of action. Levitra and its generic equivalent, vardenafil hydrochloride, are available in tablets of 2.

The recommended starting dose is 10 milligrams, which can be adjusted either upward or downward as needed. The first generic version of Levitra to go on sale in the United States debuted at the beginning of November in Tadalafil Cialis Clearly the most long-lasting of the ED drugs available, Cialis and its generic equivalent, tadalafil, can remain effective for up to 36 hours.

As approved by the Food and Drug Administration in the fall of , Cialis was marketed exclusively as an on-demand drug until early , when the FDA approved low-dose Cialis as a daily therapy. Taken faithfully every day, low-dose 2. Tadalafil, the generic equivalent of brand-name Cialis, made its debut in the fall of For use as an on-demand ED medication, the recommended starting dose of Cialis is 10 milligrams.

How long does Cialis last? How long before it kicks in? | Manual

Cialis may be taken with or without food. Cialis is available as a lower strength tablet that can be taken on a daily basis, eliminating the need to 'plan' for sex.

For this reason, Viagra is best taken on an empty stomach.

Taking Cialis does not protect you Click here sexually transmitted diseases. The effect of one tablet lasts for up to staxyn hours. Eliminating these - for example, staying more active, losing weight if sildenafil are overweight, reducing alcohol intake, stopping smoking and reducing stress - levitra also help improve Citrate.

The viagra may be and to hci if 10mg is ineffective or reduced to 5mg if side effects are tadalafil. Sildenafilvardenafil work. So, exactly when should cialis take Cialis, and how long does it take for the Tadalafil to kick in? Cialis should be avoided with severe liver disease.

Pfizer abruptly took its sildenafil research in a new direction, and Viagra was its end result. In fact, its half-life is

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Jan 22,  · Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Revatio) is used to improve the ability to exercise in adults with .

How quickly do Cialis and Viagra work and does food have any effect Cialis generally works within 16 to 45 minutes, and its activity is not affected by food. Viagra generally works within 30 minutes, and its effect may be diminished if taken soon after a high fat meal which may also delay how fast it works. For this reason, Viagra is best taken on an empty stomach. Cialis can be taken on an as needed basis, or daily. The effects of Cialis will last around 36 hours. The dosage may be increased to 20mg if 10mg is ineffective or reduced to 5mg if side effects are intolerable.

Timing of the daily dosage does not matter in people using it solely for ED; however, those with BPH are advised to take it at the same time each day.

Do not take more than one dose a day but your doctor may consider an increase in dosage from 2. Side effects of Cialis include headache and indigestion. The dose may be increased to mg if 50mg is ineffective or decreased to 25mg if side effects are intolerable. The main side effects are headache, flushing and indigestion. Common side effects can include flushing, headaches, nasal congestion, back or muscle pain, and heartburn.

Equally, if you have any kind of heart condition, you need to be careful — medications for heart disease are often from the nitrate family, and those and Cialis do not mix well.

Some epilepsy and anti-seizure meds can be problematic as well, so our Manual clinicians are here to help if you have any questions. With positive effects in most men who chose this medication, it might be just what you need to get your intimate relationship s back on track.

You can usually expect Cialis to start working quickly, often within 30 minutes — but of course, this is different for every man. Choose from highly effective, clinically proven solutions. While we've ensured that everything you read on the Health Centre is medically reviewed and approved, information presented here is not intended to be a substitute for professional medical advice, diagnosis, or treatment.

It should never be relied upon for specific medical advice. A lower dosage of Cialis is recommended in men with mild-to-moderate liver disease. Cialis should be avoided with severe liver disease. Note: In general, seniors or children, people with certain medical conditions such as liver or kidney problems, heart disease, diabetes, seizures or people who take other medications are more at risk of developing a wider range of side effects. View complete list of side effects 4.

One 'as needed' tablet lasts for 36 hours or Cialis is available as a lower dosage that can be taken on a daily basis, eliminating the need to 'plan for sex'. Tips Once daily Cialis can be taken without regard to sexual activity but should be taken at the same time every day for example, on awakening. Cialis may be taken with or without food. Drinking alcohol after taking Cialis may lower blood pressure and decrease sexual performance.

Eating grapefruit or grapefruit products while taking Cialis is not recommended. Some ED medications are not suitable for men with certain medical conditions. Call your doctor immediately if you experience dizziness or feel nauseous during sexual activity, or develop pain, numbness, tingling in your chest, arms, neck, or jaw.

Do not take Cialis with recreational drugs such as "poppers". Taking these substances together can cause a sudden and dangerous drop in blood pressure. Always buy your ED medications from a reputable supplier as there are a lot of counterfeit products in circulation.

Certain lifestyle and psychological factors, such as smoking, drinking, and stress, can impact on ED. Eliminating these - for example, staying more active, losing weight if you are overweight, reducing alcohol intake, stopping smoking and reducing stress - may also help improve ED. Taking Cialis does not protect you from sexually transmitted diseases. Consider condom risk or abstinence if a sexual partner's history is unknown. Seek urgent medical advice if an allergic reaction, sudden vision loss or painful erections lasting more than four hours occur.

Response and Effectiveness Peak plasma concentrations of Cialis are reached within 30 minutes to six hours average time two hours of a dose.