Generic Drugs:

Prescription drugs can be a costly medical expense, especially for older people and those who are chronically ill. However, each state has a law that lets pharmacists substitute less expensive generic drugs for many brand-name products. Depending on your prescription needs, your savings could be significant. Before you talk with your doctor or pharmacist about switching, there are things you need to know about generic drugs and the law.

How Taken

These pills are taken orally. It is usually taken as needed about 1 hour before sexual activity. Do not take more than once a day. Viagra is usually taken as needed about 1 hour before sexual activity. Cialis is taken 30 minutes before sexual activity and Levitra takes 30??“60minutes to start acting.

What happens if I overdose?

Seek emergency medical attention if an overdose is suspected.

Symptoms of a tadalafil overdose are not known.

Cautions

Do not take this medicine if you have had an allergic reaction to it or are allergic to any ingredient in this product. This medicine may rarely cause dizziness or vision changes. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to this medicine. Using this medicine alone, with other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks. To minimize dizziness or lightheadedness, sit up or stand slowly when rising from a seated or lying position. Alcohol may increase your risk for side effects, including headache, dizziness, or lightheadedness. Avoid excessive amounts of alcohol when using this medicine. Ask your doctor or pharmacist for more information.

Do not exceed the recommmended dose without checking with your doctor. Your dose is based on your medical condition, response to therapy, and the other medicines you are taking. Sexual activity may put extra strain on your heart, especially if you have heart problems. If you have heart problems and experience any symptoms while having sex, stop having sex and tell your doctor immediately. These symptoms include severe dizziness, fainting, chest pain, or nausea. Before you begin taking any new medicine, either prescription or over-the-counter, check with your doctor or pharmacist.

Caution is advised when using this medicine in the elderly because they may be more sensitive to the side effects of this medicine. This medicine should not be used in women or children.

Possible Side Effects

Some of the possible side effects are- headache, flushing of the face, and upset stomach, temporary changes in color vision (such as trouble telling the difference between blue and green objects or having a blue color tinge to them), eyes being more sensitive to light, or blurred vision. In rare occasions, men have reported an erection that lasts many hours. You should call a doctor immediately if you ever have an erection that lasts more than 4 hours. If not treated right away, permanent damage to your penis could occur. Some of these side effects may go away within a few hours, however if the side effects are persistent or especially bothersome, you should contact your doctor.

Drug interactions

Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Some medicines or medical conditions may interact with this medicine. Inform your doctor or pharmacist of all prescription and over-the-counter medicine that you are taking.