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You should bring this list with you each time you visit a doctor or if you are admitted to a hospital.

It is also important information to carry with you in case of emergencies. Revatio В® Viagra В® AHFS В® Patient Medication Informationв„ў. The American Society of Health-System Pharmacists В® , 4500 East-West Highway, Suite 900, Bethesda, Maryland. Duplication for commercial use must be authorized by ASHP. Cialis (tadalafil) and Viagra (sildenafil) are phosphodiesterase-5 (PDE5) inhibitors used for treating impotence (erectile dysfunction, or ED).

Common side effects of Cialis include: flushing (redness or warmth of the face, neck, or chest), headaches, stomach upset, diarrhea, flu-like symptoms (such as stuffy nose, sneezing, or sore throat), memory problems, muscle or back pain, nausea, low blood pressure, dizziness, blurred vision and changes in color vision, abnormalejaculation, and prolonged erections (priapism). Common side effects of Viagra include: warmth or redness in the face, neck, or chest, stuffy nose, headaches, stomach pain, upset stomach, nausea, diarrhea, memory problems, back pain, an inability to differentiate between the colors green and blue, loss of hearing, ringing in the ears, and dizziness.

Cialis is a prescription buy original viagra medicine taken by mouth for the treatment of: men with erectile dysfunction (ED) men with symptoms of benign prostatic hyperplasia (BPH) men with both ED and BPH. Viagra is a prescription medicine used to treat erectile dysfunction (ED).

You will not get an erection just by taking this medicine. Viagra helps a man with erectile dysfunction get and keep an erection only when he is sexually excited (stimulated).

It is not known if Viagra is safe and effective in women or children under 18 years of age. Do not take Cialis if you: take any medicines called "nitrates".

use recreational drugs called "poppers" like amyl nitrite and butyl nitrite. take any medicines called guanylate cyclase stimulators, such as riociguat.

are allergic to Cialis or Adcirca, or any of its ingredients. Call your healthcare provider or get help right away if you have any of the symptoms of an allergic reaction listed above. Do not take Viagra if you: take medicines called nitrates (such as nitroglycerin) use street drugs called "poppers" such as amyl nitrate or amyl nitrite, and butyl nitrate take any medicines called guanylate cyclase stimulators such as riociguat (Adempas) are allergic to sildenafil, as contained in Viagra and REVATIO, or any of the ingredients in Viagra. See the end of this leaflet for a complete list of ingredients in Viagra.

Tell your healthcare provider about all the medicines you take1, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Viagra may affect the way other medicines work, and other medicines may affect the way Viagra works causing side effects. Especially tell your healthcare provider if you take any of the following: medicines called nitrates (see "What is the most important information I should know about Viagra?") medicines called guanylate cyclase stimulators, such as riociguat (Adempas) medicines called alpha blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (buy original viagra doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Viagra with alpha-blockers can lead to a drop in blood pressure or to fainting. medicines called HIVprotease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase) or atazanavir sulfate (Reyataz) some types of oralantifungal medicines, such as ketoconazole (Nizoral), and itraconazole (Sporanox) some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin other medicines that treat high blood pressure other medicines or treatments for ED. Viagra contains sildenafil, which is the same medicine found in another drug called REVATIO.

REVATIO is used to treat a rare disease called pulmonary arterial hypertension (PAH).

Viagra should not be used with REVATIO or with other PAH treatments containing sildenafil or any other PDE5 inhibitors (such as Adcirca [tadalafil]).

Ask your healthcare provider or pharmacist for a list of these medicines, if you are not sure.

Keep a list of them to show to your healthcare provider and pharmacist when you get a new medicine.

Take Cialis exactly as your healthcare provider prescribes it. Your healthcare provider will prescribe the dose that is right for you.

Some men can only take a low dose of Cialis or may have to take it less often, because of medical conditions or medicines they take.

Do not change your dose or the way you take Cialis without talking to your healthcare provider. Your healthcare provider may lower or raise your dose, depending on how your body reacts to Cialis and your health condition. If you take too much Cialis, call your healthcare provider or emergency room right away.

Take Viagra exactly as your healthcare provider tells you to take it.

Your healthcare provider will tell you how much Viagra to take and when to take it.

Your healthcare provider may change your dose if needed.

You may take Viagra between 30 minutes to 4 hours before sexual activity if needed. If you take Viagra after a high fat meal (such as a cheeseburger and french fries), Viagra may take a little longer to start working. If you accidentally take too much Viagra, call your doctor or go to the nearest hospital emergency room right away. Nitrates: Administration of VIAGRA to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form either regularly and/or intermittently, is contraindicated.

VIAGRA was shown to potentiate the hypotensive effect of nitrates.

Concomitant Guanylate Cyclase (GC) Stimulators: Do not use buy original viagra VIAGRA in patients who are using a GC stimulator, such as riociguat. PDE5 inhibitors, including VIAGRA, may potentiate the hypotensive effects of GC stimulators.

Hypersensitivity Reactions: VIAGRA is contraindicated in patients with a known hypersensitivity to sildenafil, as contained in VIAGRA and REVATIO, or any component of the tablet. Hypersensitivity reactions have been reported including rash and urticaria.

Cardiovascular: Patients should not use VIAGRA if sexual activity is inadvisable due to cardiovascular status. Physicians should carefully consider whether their patients with underlying cardiovascular disease could be affected adversely by the vasodilatory effects of VIAGRA, especially in combination with sexual activity. There are no controlled clinical data on the safety or efficacy of VIAGRA in patients with the following characteristics: recent serious buy original viagra cardiovascular events, hypotension, or uncontrolled hypertension; if prescribed, this should be done with caution.

Prolonged Erection: Prolonged erection greater than 4 hours and priapism (painful erections greater than 6 hours in duration) have been reported infrequently. In the event of an erection that persists longer than 4 hours, the patient should seek immediate medical assistance.

If priapism is not treated immediately, penile tissue damage and permanent loss of potency could result.

Use VIAGRA with caution in patients predisposed to priapism.

Effects on the Eye: Patients should stop VIAGRA and seek medical care if a sudden loss of vision occurs in one or both eyes, which could be a sign of non-arteritic anterior ischemic optic neuropathy (NAION). VIAGRA should be used with caution, and only when the anticipated benefits outweigh the risks, in patients with a buy original viagra history of NAION. Patients with a viagra single packs cvs "crowded" optic disc may also be at an increased risk of NAION. There are no controlled clinical data on the safety or efficacy of VIAGRA in patients with retinitis pigmentosa; if prescribed, this should be done with caution.

Hearing Loss: Sudden decrease or loss of hearing has been reported in temporal association with the intake of PDE5 inhibitors, including VIAGRA. (It is not possible to determine whether these events are related directly to the use of PDE5 inhibitors or to other factors.) Physicians should advise patients to stop taking PDE5 inhibitors, including VIAGRA, and seek prompt medical attention in the event of sudden decrease or loss of hearing.

Potential Drug Interactions: VIAGRA can potentiate the hypotensive effects of nitrates, alpha-blockers, and antihypertensives.

Initiate VIAGRA at 25 mg with concomitant use of alpha-blockers.

CYP3A4 inhibitors (eg, ritonavir, ketoconazole, itraconazole, erythromycin) increase VIAGRA plasma exposure. Do not exceed 25 mg of VIAGRA in a 48-hour period with ritonavir.