Tadalafil: A Medication That Treats Erectile Dysfunction And Pulmonary Arterial Hypertension

Tadalafil is a potent PDE5 inhibitor drug used in the treatment of erectile dysfunction and pulmonary arterial hypertension. Tadalafil is actually sold under the trade name Cialis for the treatment of erectile dysfunction and Adcirca as the pulmonary arterial hypertension drug. Tadalafil was initially developed by the ICOS biotechnology organization, but nowadays it is sold under the partnership of both ICOS and GlaxoSmithKline. This drug was approved by FDA for general sales in November 2003. A tie between Eli Lily Company Along With ICOS bought the drug initially to the market. The chemical formula of Tadalafil is C22H19N3O4.

How Tadalafil Works: Tadalafil is a PDE5 inhibitor type of drug. During the process of erection Cyclic, GMP aids in the relaxation of the smooth muscles of the penis, and helps in continuous blood flow. PDE5 (phosphodiesterase 5) enzyme helps in breaking down the Cyclic GMP. Therefore, Tadalafil directly stops the function of phosphodiesterase 5 enzyme found in the penis area, and hence stops the breaking down of Cyclic GMP. Thus, Tadalafil helps directly in maintaining prolonged erection, and thus by preventing the erectile dysfunction symptoms. Tadalafil is 10,000 times less effective on other phosphodiesterase enzymes found in the other parts of the body, like the brain, heart etc.

Dosage Of Tadalafil: In case of adult, erectile dysfunction is treated with 10 mg of Tadalafil dose just 1 hour before the sexual activity. In cases, where the efficacy of the Tadalafil needs to be maintained, then 2.5 mg of this drug daily with or without sexual activity can be administered. This dose of Tadalafil can be increased to 5 mg per day, based on the need and the efficacy of the drug. For treating benign prostatic hyperplasia the dose can be 5 mg, which can be taken along with or even without food. In case of pulmonary arterial hypertension, 40 mg of Tadalafil is given with or without food, every day, which can be broken down to multiple lower doses based on the need.

Precautions And Side Effects Of Tadalafil: Avoid the Tadalafil treatment, if the patient has some issues with the cardiovascular system or is facing chronic issues with the liver. Overdose must be avoided in order to prevent painful situation.
The common side effects seen in few cases and overdose of Tadalafil are symptoms like upset stomach, diarrhea, constipation, headache, gastric issues, runny nose or problems in breathing, muscle pain etc. In certain cases, Tadalafil can also show allergic side effects and symptoms like hives, inflammation of the facial regions, rash, and blood flow in the urination, pain in the urine discharge, fever, nausea, chills etc. In case of a Tadalafil overdose, it might show painful and prolonged erection, which must be immediately taken care of. The doctor must be informed immediately for the next proper step.

Drug Interactions Seen With Tadalafil: Tadalafil shows 10 major and 128 moderate drug interactions. Tadalafil shows major interactions with drugs like Amyl nitrite, Sodium thiosulfate, Isosorbide dinitrate, Nitroglycerin, Boceprevir, Isosorbide Mononitrate, Isosorbide dinitrate, etc... Tadalafil shows moderate level of drug interaction with drugs like Butalbital, Codeine, Caffeine, Nifedipine, Dexamethasone, Amifostine, Secobarbital, Rasagiline etc. If any of the above mentioned drugs or any drug, which interacts with Tadalafil is taken, then the doctor must be informed and proper steps must be taken. People who have chronic issues related to the cardiovascular system or liver should avoid this treatment.

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