bad side effects of viagra
sildenafil (sil DEH na fil)
What is the most important information I should know about Viagra?
• Do not take viagra if you are using a nitrate drug for chest pain orheart problems bad side effects of viagra. Nitrates include nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur,Nitro-Bid, Minitran, Deponit, Transderm-Nitro, others), isosorbide dinitrate(Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO,Monoket) bad side effects of viagra. Nitrates are also found in some recreational drugs such as amyl nitrateor nitrite ("poppers") bad side effects of viagra.
• Contact your doctor or seek emergency medical attention for any erectionthat lasts longer than 4 hours bad side effects of viagra. A sustained erection can damage the penis bad side effects of viagra.
• Refrain from further sexual activity and notify your doctor it you developdizziness, nausea, or angina (pain, tightness, discomfort, numbness, or tinglingin the chest, arms, neck, or jaw) during sexual activity bad side effects of viagra.
• Do not take viagra more than once a day bad side effects of viagra.
What is Viagra?
• viagra relaxes muscles within the penis bad side effects of viagra. This allows increased bloodflow into the penis, necessary to achieve and maintain an erection bad side effects of viagra.
• viagra is used to treat erectile dysfunction (impotence) bad side effects of viagra.
• viagra may also be used for purposes other than those listed in thismedication guide bad side effects of viagra.
What should I discuss with my healthcare provider before taking Viagra?
• Do not take viagra if you are using a nitrate drug for chest pain orheart problems bad side effects of viagra. Nitrates include nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur,Nitro-Bid, Minitran, Deponit, Transderm-Nitro, others), isosorbide dinitrate(Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO,Monoket) bad side effects of viagra. Nitrates are also found in some recreational drugs such as amyl nitrateor nitrite ("poppers") bad side effects of viagra.
• Before taking Viagra, tell your doctor if you
· have had a heart attack, stroke, or life-threatening irregular heartbeatswithin 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) bad side effects of viagra.
• You may not be able to take Viagra, or you may require a dosage adjustmentor special monitoring during treatment if you have any of the conditions listedabove bad side effects of viagra.
• Although viagra is not indicated for use by women, it is in the FDA pregnancycategory B bad side effects of viagra. This means that viagra is not expected to be harmful to an unbornbaby bad side effects of viagra. viagra should not be taken by women bad side effects of viagra.
• It is not known whether viagra passes into breast milk bad side effects of viagra. viagra shouldnot be taken by women bad side effects of viagra.
• If you are over 65 years of age, you may be more likely to experienceside effects from viagra bad side effects of viagra. Your doctor may prescribe a lower dose of this medication bad side effects of viagra.
How should I take Viagra?
• Take viagra exactly as directed by your doctor bad side effects of viagra. If you do not understandthese directions, ask your pharmacist, nurse, or doctor to explain them to you bad side effects of viagra.
• Take each dose with a full glass of water bad side effects of viagra.
• viagra is usually taken when needed bad side effects of viagra. It can be taken anywhere from 4hours to one-half hour before sexual activity bad side effects of viagra. Generally, it is taken 1 hourbefore sexual activity bad side effects of viagra. The medication can help achieve an erection when sexualstimulation occurs bad side effects of viagra. An erection will not occur just by taking a pill bad side effects of viagra. Followyour doctor's instructions bad side effects of viagra.
• Taking viagra after eating a high-fat meal (such as a cheeseburger andfrench fries) may cause the medication to take a little longer to start working bad side effects of viagra.
• Do not take viagra more than once a day bad side effects of viagra.
• If you develop dizziness, nausea, or angina (pain, tightness, discomfort,numbness, or tingling in the chest, arms, neck, or jaw) during sexual activity,refrain from further sexual activity and notify your doctor bad side effects of viagra.
• Contact your doctor or seek emergency medical attention for any erectionthat lasts longer than 4 hours bad side effects of viagra. A sustained erection can damage the penis bad side effects of viagra.
• Grapefruit and grapefruit juice may interact with viagra bad side effects of viagra. The interactioncould lead to potentially adverse effects bad side effects of viagra. You should discuss the use of grapefruitand grapefruit juice with your doctor bad side effects of viagra. Do not increase or decrease the amountof grapefruit products in your diet without first talking to your doctor bad side effects of viagra.
• Store this medication at room temperature away from moisture and heat bad side effects of viagra.
What happens if I miss a dose?
• viagra is used as needed, so you are not likely to miss a dose bad side effects of viagra.
What happens if I overdose?
• Seek emergency medical attention bad side effects of viagra.
• Symptoms of a viagra overdose are not known, but are likely to includechest pain, dizziness, an irregular heartbeat, and swelling of the ankles orlegs bad side effects of viagra.
What should I avoid while taking Viagra?
• Do not take any other drug used to treat impotence, such as alprostadil(Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others), without firsttalking to your doctor bad side effects of viagra.
• Grapefruit and grapefruit juice may interact with viagra bad side effects of viagra. The interactioncould lead to potentially adverse effects bad side effects of viagra. You should discuss the use of grapefruitand grapefruit juice with your doctor bad side effects of viagra. Do not increase or decrease the amountof grapefruit products in your diet without first talking to your doctor bad side effects of viagra.
What are the possible side effects of Viagra?
• If you experience any of the following serious side effects, stop takingviagra 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) bad side effects of viagra.
• Other, less serious side effects may be more likely to occur bad side effects of viagra. Continueto take viagra 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 bad side effects of viagra.
• Side effects other than those listed here may also occur bad side effects of viagra. Talk to yourdoctor about any side effect that seems unusual or that is especially bothersome bad side effects of viagra.
What other drugs will affect Viagra?
• Do not take viagra if you are using a nitrate drug for chest pain orheart problems bad side effects of viagra. Nitrates include nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur,Nitro-Bid, Minitran, Deponit, Transderm-Nitro, others), isosorbide dinitrate(Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO,Monoket) bad side effects of viagra. Nitrates are also found in some recreational drugs such as amyl nitrateor nitrite ("poppers") bad side effects of viagra.
• Before taking Viagra, tell your doctor if you are taking any of the followingmedications:
· 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
· rifampin (Rifadin, Rifamate) or rifabutin (Mycobutin) bad side effects of viagra.
• You may not be able to take Viagra, or you may require a dosage adjustmentor special monitoring during treatment if you are taking any of the medicineslisted above bad side effects of viagra.
• Drugs other than those listed here may also interact with viagra or affectyour condition bad side effects of viagra. Talk to your doctor or pharmacist before taking any prescriptionor over-the-counter medicines, including herbal products bad side effects of viagra.
Where can I get more information?
• Your pharmacist has additional information about viagra written for healthprofessionals that you may read bad side effects of viagra.
|
