Sildenafil

Brand Names: Viagra

Pronounced: (sil-den-ah-fill)

Prescription information:

Seldenafil is usually prescribed for men to treat impotence or the inability to get or sustain an erection (erectile dysfunction). Seldenafil, part of a class of medications called PDE (phosphodiesterase) inhibitors, works by increasing blood flow to the penis during sexual stimulation in order to help cause an erection. Seldenafil cannot stimulate sexual desire, prevent pregnancy, protect against a STD (sexually transmitted disease) such as HIV (human immunodeficiency virus) or cure erectile dysfunction. Occasionally, seldenafil is prescribed for other uses and conditions. Your doctor or pharmacist can answer any questions and/or supply additional information needed.

Usage:

Seldenafil comes as a tablet to be taken orally. Seldenafil may be taken, as needed, 30 minutes to 4 hours before sexual activity. However, it is more commonly taken 60 minutes before sexual activity. Sildenafil not be taken more than once in 24 hours. Patients should take seldenafil exactly as directed by their physician, carefully following the directions on the prescription label. Do not take any more of this medication than is prescribed by your physician. Make certain to ask your doctor or pharmacist to explain any product information, usage or dosage instructions you do not fully understand. Prescription dosages are specifically calculated to suit each individual, therefore never share your medication or allow anyone else to take your prescription. Your initial dose will most likely be increased or decreased depending upon your response to seldenafil. Consult your physician if you experience troublesome side effects or if seldenafil is not effectively working for you. Ask your pharmacist any questions you may have about the refilling of your prescription.

Precautions:

Prior to taking seldenafil:

• tell your doctor and pharmacist if you have any known allergies to seldenafil or to any other drugs.
• do not take seldenafil if you are using the recreational drugs amyl nitrate or butyl nitrate (poppers) or any other street drugs containing nitrates.
• do nottake seldenafil if you are taking or have taken medications containing nitrates. Medications containing nitrates are found in sprays, ointments, patches, tablets, sublingual (under the tongue) tablets and pastes. Ask your doctor if you’re not sure about your medications. Medications that contain nitrates include Isordril and Sorbitrate (isosorbide dinitrate), Imdir, and ISMO (isosorbide mononitrate) and Nitro-BID,  Nitro-Dur, Nitroquick, Nitrostat and other nitroglycerin formulations. Taking nitrates along with seldenafil can cause a sudden severe drop in blood pressure, dizziness or fainting, arm, jaw or chest pain, or a stroke or heart attack.
• tell your doctor and pharmacist if you are taking any dietary supplements, herbal preparations, vitamins, and over-the-counter or prescription medications. Your doctor may have to change the doses of any other medications, plus closely monitor you for side effects. Definitely tell your doctor if you’re taking Norvasc (amlodipine) or other medications for high blood pressure or irregular heartbeat,  other drugs or treatments for erectile dysfunction; erythromycin, Tagament or Tagament HB (cimeetidine), antifungals such as Sporanox (itraconazole), Diflucan (fluconazole) and Nizoral (ketocoazale); HIV protease inhibitors such as  Invirase (saquinavir) and Norvir (ritonavir), Rimactane or Rifadin (rifampin), phenobarbital or vitamins.
• do not start taking any vitamins, dietary supplements, herbal preparations, prescription medications or over-the-counter medications without first checking with your physician.
• tell your doctor if you have or have ever had a stroke; an irregular or life-threatening heart beat; angina, high or low blood pressure, have suffered a stroke, heart attack or heart failure within the last six (6) months, have a history of chest pain—especially if it’s been during sexual intercourse—or you’ve been medically advised against sexual activity due to a heart condition.
• tell your doctor if you have or you’ve ever had a blood cell problem such as sickle cell anemia, multiple myleloma  or leukemia that may cause a prolonged erection, an erection lasting more than four (4) hours or a misshapen penis due to a condition such as Peyronie’s Disease, angulation or cavernosal fibrosis
• tell your doctor if you currently have or previously had heart, liver or kidney disease, peptic ulcers, an eye disease such as retinitis pigmentosa, a blood disorder or any other medical conditions.
• tell your doctor if you’re planning to have any surgery in the future, including dental surgery.

After starting seldenafil:

• sexual intimacy can put a strain on your heart. Immediately call your physician if you experience any nausea, dizziness, chest pain, irregular heartbeat, pounding in the chest or any other heart problems during sexual activity. Until cleared by your physician, refrain from any additional sexual activity or taking seldenafil.
• contact your physician immediately if you have an erection, whether it is painful or not, that lasts more than four (4) hours. A prolonged erection can case serious damage to penile tissue and/or loss of potency, if not treated.
• seldenafil is only for men. Women, especially ones of childbearing years, should not take this medication. If a pregnant or breast-feeding woman takes seldenafil, contact a physician.
• do not take any more of this medication than prescribed.
• seldenafil cannot protect you from sexually transmitted diseases, including HIV. To guard against a STD, use of a condom is recommended.
• if scheduling any type of surgery, including dental procedures, be sure to tell the doctor or dentist, at the time you make your appointment, that you are taking seldenafil.
• exercise care when operating a motor vehicle or undertaking tasks that require mental alertness and physical dexterity.  Seldenafil can cause dizziness, blurred or distorted images and other vision problems. 
• remember to keep all appointments with your physician. Your response to seldenafil therapy may need to be monitored.

NOTE:

Make sure to inform all your healthcare providers that you using seldenafil. Should you require emergency medical care for a heart condition, your medical treatment team will need to know when you last took this medication.

Possible side effects:

Side effects from tadalafil do occur. However, many patients experience none at all or only minor side effects. Talk to your doctor if any of the following symptoms are severe or remain constant:

• upset stomach, heartburn, indigestion
• flu-like symptoms, runny or stuffy nose
• headache
• muscle aches, joint pain, neck or backache
• dizziness or lightheadedness
• respiratory tract infection
• breast enlargement
• watery eyes, eye pain and other vision problems
• sore throat
• diarrhea

Should you experience any of the symptoms below, pleasecontact your physician at once:

• indication of a possible allergic reaction, including swelling of the face, throat, eyes, lips, tongue, feet, hands, lower legs or ankles, hives or rash.
• itching or burning during urination
• sustained and/or painful erection for more than four (4) hours
• difficulty breathing or swallowing
• chest pain, pounding in the chest, irregular heartbeat
• fainting

Proper storage of your medication:

Always store this medication in its original container. Keep tightly closed and out reach of children. Store at room temperature (between 68^o - 77^o F) away from light, excess heat and moisture. Do not store in bathroom or near stove or oven in kitchen. Always discard any medication that is beyond its expiration date or is no longer needed. Consult your pharmacist as to how to properly dispose of your medication.

What to do if you miss a dose:

If you miss a dose instructions here.

How to handle an overdose or medical emergency:

If you feel you may have taken too much of this medication, contact your doctor or pharmacist right away.

In the event of an overdose, immediately contact your local poison control center at 1-800-222-1222. Call 911 if you are having severe breathing difficulty or you’re with a patient who has collapsed or is not breathing.

WARNING(S):

Do not take this medication if you are allergic to seldenafil or any ingredient in it. Do not take seldenafil if you are taking a medication containing nitrates, if you’re taking alpha-blockers or using recreational drugs such as amyl nitrate or butyl nitrate (poppers). Women or children should not take this medication; seldenafil is for men only.

NOTE:

The information contained here is intended for general knowledge and educational purposes only. It does not include all the information available on seldenafil. Please consult your physician or pharmacist for more detailed information on seldenafil or to answer any specific questions about your medication.

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