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Cialis (Tadalafil) - Purchase Online
Brand Names: Cialis
Generic Name: Tadalafil
Systematic (IUPAC) Tadalafil's name: (6R-trans)-6-(1,3-benzodioxol-5-yl)- 2,3,6,7,12,12a-hexahydro-2-methyl-pyrazino [1', 2':1,6] pyrido[3,4-b]indole-1,4-dione
Chemical Formula: C22H19N3O4
Cialis is used to treat erectile dysfunction (impotence). Cialis relaxes muscles and increases blood flow to particular areas of the body. This helps you to achieve and maintain an erection.
Cialis tablets are yellow, film-coated, and almond-shaped; produced in 5, 10, or 20 mg doses.
Cialis has been available since December, 2003 as the third impotence pill after sildenafil (Viagra) and vardenafil (Levitra). One advantage that Cialis has over Viagra and Levitra is that tadalafil has a half-life of 17.5 hours (and thus Cialis is advertised to work for up to 36 hours, after which time there is still about one quarter of the absorbed dose in the body) as compared to 4 hours half-life for sildenafil (Viagra). Due to its 36-hour effect it is also known as the "weekend pill".
This longer half-life also is the basis of current investigation for Cialis (Tadalafil)'s use in pulmonary arterial hypertension as a once-daily therapy. At present, sildenafil (trade name Revatio) is approved in various regions worldwide as a 3-times daily therapy for pulmonary arterial hypertension.
Cialis is usually taken only when needed, just before sexual activity. However, Cialis may also be taken daily (at a lower dose), regardless of when sexual activity is planned. In June 2007, the European Commission approved low-dose (2.5 mg and 5 mg) Cialis to be used as a once-a-day therapy for men with erectile dysfunction. However, as with Viagra and Levitra, do not take this medication more than once a day. Allow 24 hours to pass between doses. Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis.
Take Cialis exactly as it was prescribed for you. Do not take it in larger doses or for longer than recommended by your doctor. Taking this medication in larger doses will not make it more effective, and could cause dangerous side effects.
Take this medication with a full glass of water. Cialis can be taken with or without food.
If you take Cialis every day and you miss a dose, take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.
Overdose symptoms may include chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting. Seek emergency medical attention if you think you have used too much of this medicine.
Don't drink alcohol in excess (to a level of intoxication) with Cialis, as this may increase your chances of getting dizzy or lowering your blood pressure.
Do not take Cialis if you are also using a nitrate drug for chest pain or heart problems. This includes nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, and others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are also found in some recreational drugs such as amyl nitrate or nitrite ("poppers"). Taking Cialis with a nitrate medicine can cause a serious decrease in blood pressure, leading to fainting, stroke, or heart attack. If you become dizzy or nauseated during sexual activity, or if you have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away.
Before taking Cialis, tell your doctor if you are allergic to any drugs, or if you have:
If you have any of these conditions, you may need a dose adjustment or special tests to safely take Cialis.
Stop using Cialis and call your doctor at once if you have any of these serious side effects:
Less serious side effects may include:
Before taking Cialis, tell your doctor about all other medications you use for erectile dysfunction, or if you are using any of the following medications:
This list is not complete and there may be other drugs that can interact with Cialis. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Cialis can help achieve an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Follow your doctor's instructions.
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