March 15, 2008

Dosage and side effects of Cialis (Tadalafil)

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PREPARATIONS
Tablets: 5 mg, 10mg and 20 mg.

STORAGE
Tablets should be kept at room temperature between 15-30 C (59-86 F).

PRESCRIBED FOR
Tadalafil is used for the treatment of erectile dysfunction, or impotence.

DOSAGE
The recommended initial dose of Tadalafil is 10 mg per day, which have to be taken orally before sexual activity. This prescribed amount is a usual daily dose for the majority of men. This dose can be increased up to 20 mg or decreased to 5 mg per day depending on the feedback or side effects. The maximal duration of the Tadalafil's effect is 36 hours. Patients who take medicines extending the level of Tadalafil in the blood shouldn't surpass a total dose of 10 mg in 72 hours (See “DRUG INTERACTIONS”). As food doesn't influence on absorption of Tadalafil from the intestine the drug can be taken while eating as well as on an empty stomach.

DRUG INTERACTIONS
The following medicines can diminish the ability of the organism to destroy and eliminate Tadalafil: cialis soft tablet
, ketoconazole (Nizoral), itraconazole (Sporanox), indinavir (Crixivan) and ritonavir (Norvir). Hence these medications can heighten the level of Tadalafil in the blood. If these medicines have to be taken sildenafil citrate india with Tadalafil, its dose has to be reduced to avoid side effects, which can be provoked with high level of Tadalafil in the blood. When being taken simultaneously with nitrates, such as nitroglycerin, isosorbide dinitrate (Isordil), isosorbide mononitrate (Imdur, Ismo, Monoket), nitroglycerin (Nitro-Dur, Transderm-Nitro), which are usually prescribed for treatment of heart pain (angina), Tadalafil strengthens heart rate and lowers blood pressure. If the patient takes nitrates for angina, Tadalafil can become a reason of heart pain or perhaps even a heart attack as a result of tablet tadalafil
of heart rate and lowering of blood pressure. So it's highly recommended not to take Tadalafil together with nitrates. Tadalafil can also heighten the blood pressure as it lessens effects of some alpha-blocking medicines, such as terazosin (Hytrin), which are principally used for treatment of high blood pressure or increment of the prostate. The patients, who take the alpha-blockers, have to take the stable dose of these drugs before starting to take Tadalafil. In these cases at the initial stage the lowest doses of Tadalafil should be taken. In cases of taking Tadalafil, the alpha-blockers should be taken beginning with the lowest dose. As Tadalafil like alcohol lower blood pressure it's highly recommended not to mix these substances, because as a result of such mixing there can be dizziness, headaches and increased heart rate.

PREGNANCY
The drug isn't approved for usage by women.

NURSING MOTHERS
Cialis generic india
mothers were not testing for taking Tadalafil.

SIDE EFFECTS
When using Tadalafil the following accompanying effects can take place: headache, facial flushing (reddening), nausea, stomach upset, diarrhea, and flu-like symptoms. Tadalafil can also become the cause of low blood pressure, spasm of citrate tadalafil, breach of color perception and anomalistic ejaculation.
There were cases of continuous erections, or priapism (aching erection that lasts more than six hours) fixed after taking Tadalafil. If erection lasts more than four hours you have to recourse. There is causation between using of Tadalafil and chest pain, heart attack, palpitation, hastened heart rate, stroke and death, but it's not confirmed if these side effects are result of using Tadalafil or they are direct outcome of sexual activity itself.

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Mechanism of Cialis action in general

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Tadalafil should be taken orally. This medicine is used for therapy of erectile cialis tadalafil generic rezeptfrei
, or impotence, tadalafil side effects
in lacking of ability to reach and keep in existence a penile erection. The drug class, which Tadalafil belongs to, is called phosphodiesterase inhibitors. Sildenafil (Viagra) and Vardenafil (Levitra) belong to this drug class too. When a penis is filling up with blood there a penile erection springs up. The blood vessels, which are responsible for bringing blood to male reproductive organs, extend in size what causes filling the penis up with large quantity of blood. While the blood vessels, responsible for transporting blood away from the penis, diminish in size, what causes taking much less blood away from the penis than under usual circumstances. Sexual excitement leading to a sterling erection determines the production and ejection of nitric oxide in the male genital organs. The nitric oxide provokes the production of an enzyme called guanylate cyclase that is a necessary condition for production of cyclic guanosine monophosphate (cGMP). This chemical compound controls extending and reducing of the size of the blood vessels that transport blood to and from the male reproductive organs. These changes of sizes condition erection.

Afterwards one more enzyme, which is called phosphodiesterase-5, demolishes the cGMP what makes blood vessels take their usual sizes, blood go away from the penis and thus the erection is over. Mechanism of action of Tadalafil consists in dysfunction erectile cure phosphodiesterase-5 to ruin cGMP so the last one exists longer. The extended thus life of cGMP makes blood flow to the penis for longer period of time. The U.S. FDA approved Tadalafil in November, 2003.

And some information of erectile problems.