Cialis also called Tadalafil pill usually used for men’s erectile problems treatment. It is very fast acting drug and it is long effective drug. Usually it is start to work after 30 minutes of taking it and as long as two days. So you can wait for the right moment for intercourse. All over the world many men use it with great results. Before you start to use this medicine, please inform your doctor if you have any of such problems: • liver disease • problems with blood pressure • angina • irregular heart beats or other heart problems • kidney disease • stroke • especially if you have vision or eye problems • an unusual reaction to tadalafil • allergic reactions to other medicines Usually these pills are taking with water. Take a glass of water and swallow the pill. It is necessary to take the dose from 30 to 60 minutes before planned sexual intercourse. No need to take it more often than directed. It is very important that you will not take more than one dose per day. Call immediately your poison control center if you overtake Cialis. Do not give this medicine to other persons because it is prescribed only for you. But if you miss a dose you can take it as soon as remembered, but not more than 1 dose per day. Nitrates like nitroglycerin, isosorbide dinitrate, amyl nitrite, isosorbide mononitrate will interact with Cialis, do not take it together. Additionally with Cialis can interact next drugs: • grapefruit juice • pills used for seizures like phenytoin • pills used for the treatment of HIV infection or AIDS • rifabutin, rifampin or rifapentine • pills for high blood pressure • erythromycin, clarithromycin, troleandomycin • pills for prostate problems It is not all possible drugs which can interact with Cialis. You should attentively provide your doctor with complete list of what you are using: herbs, even dietary supplements, non-prescription drugs. Additionally provide if you smoke, drink alcohol or even use illegal drugs. Because your doctor will check thoroughly if it can interact with Cialis. When you start sexual intercourse and start to feel dizziness, nausea, arm pain or chest pain, please stop the activity and contact with your doctor. Cialis does not protect you from HIV infection. So additionally use condoms. If you have any problems with your vision or eyes, immediately contact with your doctor! If you have more than four hours erection, you should contact your doctor too, because it can indicate the beginning of serious problems and necessary to stop it at once. It is not possible to use Cialis and drink alcohol. Because it can lead to excess and alcohol increase possibility to get dizzy or headache, lowering your blood pressure. Possible side effects about which you should inform your doctor: • changes in hearing • irregular heartbeat • chest pain • breathing problems • allergic reactions Next side effects do not require medical influence: • headache • dizziness • flushing • runny or stuffy nose • indigestion • muscle aches • back pain You should store your Cialis in place where nobody, especially children, can get it. Keep it at room temperature between 59 and 86 degrees F (15 and 30 degrees C). And do not use medicine after its expiration date.