Cialis.

Cialis (tadalafil) phosphodiesterase inhibitor is a prescription drug taken by males unable to achieve hard erections. It helps achieve harder erections and maintain them for as long as needed to have sex. Before you start taking Cialis, make sure to inform your doctor of any medical conditions you have or used to have as they may affect the dose you are prescribed. The following ones are important to mention: blood cell disorder, stomach ulcer, liver disease, heart disease, stroke, high blood pressure, kidney disease, low blood pressure, and a recent history a heart attack. If you are currently taking any nitrate-based drugs, using Cialis may not be the best idea, as combining those two meds can cause a sudden drop in blood pressure leading to a number of serious health consequences. You nay be started on a lower dose of Cialis to make sure you do not get any dangerous side effects, so make sure you always observe the dose prescribed. Serious side effects are very rare but can include the following symptoms that will need to be reported to your health care provider right away: swelling, chest pain, seizure, general ill feeling, irregular heartbeat, ringing in your ears, and sudden vision loss. Mild side effects are a lot more common and can include some or any of the following: headache, upset stomach, back pain, muscle pain, diarrhea, stuffy nose, sore throat, and memory problems.