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Indications and Usage
Sildenafil relaxes anatomy and increases claret breeze to accurate areas of the body. Sildenafil is acclimated to amusement arrect dysfunction (impotence) and for the analysis of pulmonary arterial hypertension. Sildenafil may aswell be acclimated for purposes added than those listed in this medication guide.
Important Information
A babyish bulk of patients accept absent apparition in one eye afterwards demography sildenafil. This blazon of eyes accident is alleged non-arteritic antecedent ischemic optic neuropathy (NAION). NAION causes a abrupt accident of apparition because claret breeze is blocked to the optic nerve. It is not bright at this time if sildenafil causes NAION. NAION aswell happens in patients who do not yield this medicine. People who accept a college adventitious for NAION cover those who:
- accept affection disease;
- are over 50 years old;
- accept diabetes;
- accept top claret pressure;
- accept top cholesterol;
- smoke;
- or accept assertive eye problems.
Stop application sildenafil if you accept any accident in your apparition and seek medical advice appropriate away. Do not yield sildenafil if you are application a nitrate biologic for chest affliction or affection problems. Nitrates cover nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro, others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are aswell begin in some recreational drugs such as amyl nitrate or nitrite (\"poppers\"). Contact your doctor or seek emergency medical absorption for any acclimation that lasts best than 4 hours. A abiding acclimation can accident the penis. Burden from added animal action and acquaint your doctor it you advance dizziness, nausea, or angina (pain, tightness, discomfort, numbness, or amazing in the chest, arms, neck, or jaw) during animal activity. Do not yield sildenafil added than already a day.
Contraindications
A babyish bulk of patients accept absent apparition in one eye afterwards demography sildenafil. This blazon of eyes accident is alleged non-arteritic antecedent ischemic optic neuropathy (NAION). NAION causes a abrupt accident of apparition because claret breeze is blocked to the optic nerve. It is not bright at this time if sildenafil causes NAION. NAION aswell happens in patients who do not yield this medicine. People who accept a college adventitious for NAION cover those who:
- have heart disease;
- are over 50 years old;
- have diabetes;
- have high blood pressure;
- have high cholesterol;
- smoke; or
- have certain eye problems.
Stop application sildenafil if you accept any accident in your apparition and seek medical advice appropriate away. Do not yield sildenafil if you are application a nitrate biologic for chest affliction or affection problems. Nitrates cover nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro, others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are aswell begin in some recreational drugs such as amyl nitrate or nitrite (\"poppers\"). Afore demography sildenafil, acquaint your doctor if you
- have had a heart attack, stroke, or life-threatening irregular heartbeats within the last six months;
- have a history of heart failure;
- have coronary artery disease;
- have angina;
- have high or low blood pressure;
- have liver problems;
- have kidney problems;
- have ever had blood problems, including sickle cell anemia or leukemia;
- have a bleeding disorder;
- have a stomach ulcer;
- have retinitis pigmentosa (an inherited condition of the eye);
- have a physical deformity of the penis such as Peyronie\'s disease;
- have a condition that could lead to prolonged and painful erections, such as a tumor of the bone marrow, sickle cell anemia, or leukemia; or
- are taking another medicine to treat impotence, such as alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others).
You may not be able to yield sildenafil, or you may crave a dosage acclimation or appropriate ecology during analysis if you accept any of the altitude listed above. Although sildenafil is not adumbrated for use by women, it is in the FDA abundance class B. This agency that sildenafil is not accepted to be adverse to an approaching baby. Sildenafil should not be taken by women. It is not accepted whether sildenafil passes into breast milk. Sildenafil should not be taken by women. If you are over 65 years of age, you may be added acceptable to acquaintance ancillary furnishings from sildenafil. Your doctor may appoint a lower dosage of this medication.
Dosage and Administration
Take sildenafil absolutely as directed by your doctor. If you do not accept these directions, ask your pharmacist, nurse, or doctor to explain them to you. Yield anniversary dosage with a abounding bottle of water. Sildenafil is usually taken if needed. It can be taken anywhere from 4 hours to one-half hour afore animal activity. Generally, it is taken 1 hour afore animal activity. The medication can advice accomplish an acclimation if animal dispatch occurs. An acclimation will not action just by demography a pill. Follow your doctor\'s instructions. Demography sildenafil afterwards bistro a high-fat meal (such as a cheeseburger and french fries) may could cause the medication to yield a little best to alpha working. Do not yield sildenafil added than already a day. If you advance dizziness, nausea, or angina (pain, tightness, discomfort, numbness, or amazing in the chest, arms, neck, or jaw) during animal activity, burden from added animal action and acquaint your doctor. Contact your doctor or seek emergency medical absorption for any acclimation that lasts best than 4 hours. A abiding acclimation can accident the penis. Grapefruit and grapefruit abstract may collaborate with sildenafil. The alternation could advance to potentially adverse effects. You should altercate the use of grapefruit and grapefruit abstract with your doctor. Do not access or abatement the bulk of grapefruit articles in your diet after aboriginal talking to your doctor.
Possible Side Effects
If you experience any of the following serious side effects, stop taking sildenafil and seek emergency medical attention or notify your doctor immediately:
- an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
- chest pain or an irregular heartbeat;
- swelling of the ankles or legs;
- shortness of breath;
- prolonged or severe dizziness;
- a prolonged (lasting longer than 4 hours) or painful erection; or
- dizziness, nausea, or angina (pain, tightness, discomfort, numbness, or tingling in the chest, arms, neck, or jaw).
Other, less serious side effects may be more likely to occur. Continue to take sildenafil and talk to your doctor if you experience
- flushing;
- mild dizziness;
- headache;
- nasal congestion;
- diarrhea;
- temporary blue tint in vision or other vision abnormalities; or
- itching or a rash.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Miss a Dose
Sildenafil is used as needed, so you are not likely to miss a dose.
Overdosage
Seek emergency medical attention. Symptoms of a sildenafil overdose are not known, but are likely to include chest pain, dizziness, an irregular heartbeat, and swelling of the ankles or legs.
Drug Interaction
Do not yield sildenafil if you are application a nitrate biologic for chest affliction or affection problems. Nitrates cover nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro, others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are aswell begin in some recreational drugs such as amyl nitrate or nitrite (\"poppers\"). Afore demography sildenafil, acquaint your doctor if you are demography any of the afterward medications:
- any other drug used to treat impotence, such as alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others);
- the antibiotic drugs clarithromycin (Biaxin), erythromycin (E-Mycin, Eryc, Ery-Tab, others), or troleandomycin (TAO);
- an antifungal medication such as itraconazole (Sporanox) or ketoconazole (Nizoral);
- the HIV medications amprenavir (Agenerase), delavirdine (Rescriptor), indinavir (Crixivan), nelfinavir (Viracept), ritonavir (Norvir), or saquinavir (Fortovase, Invirase);
- cimetidine (Tagamet, Tagamet HB);
- phenobarbital (Luminal);
- carbamazepine (Tegretol) or phenytoin (Dilantin); or
ยท rifampin (Rifadin, Rifamate) or rifabutin (Mycobutin).
You may not be able to yield sildenafil, or you may crave a dosage acclimation or appropriate ecology during analysis if you are demography any of the medicines listed above. Drugs added than those listed actuality may aswell collaborate with sildenafil or affect your condition. Allocution to your doctor or pharmacist afore demography any decree or over-the-counter medicines, including herbal products.
Precautions
Do not yield any added biologic acclimated to amusement impotence, such as alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others), after aboriginal talking to your doctor. Grapefruit and grapefruit abstract may collaborate with sildenafil. The alternation could advance to potentially adverse effects. You should altercate the use of grapefruit and grapefruit abstract with your doctor. Do not access or abatement the bulk of grapefruit articles in your diet after aboriginal talking to your doctor.
Storage
Store this medication at room temperature away from moisture and heat.
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