Description
Generic Cialis (TADALAFIL)
Chemical Name TADALAFIL (tah-DA-la-fil) 
CIALIS is a prescription medication that is taken orally to help treat erectile dysfunction (ED) and symptoms of benign prostatic hyperplasia (BPH). It works by relaxing the muscles and increasing blood flow to particular areas in the body to achieve an erection. CIALIS can provide long lasting effects for up to 36 hours in men.

Directions
Patients should strictly follow the instructions prescribed by your doctor. Do not increase or decrease the dosage without consulting your doctor. Follow the directions on your prescription label. Generally, doctors may advise the following when taking CIALIS:
take one pill daily - allow 24 hours to pass between doses
can be taken with or without food
maybe split- using a pill splitter
Results may vary. It may take up to 4-5 days before CIALIS starts working and you are able to have successful intercourse, or you may get results earlier. Be patient and give the medication a chance to work. If you do not see positive results, consult your doctor as you may need an adjustment to your CIALIS dosage. 

Cialis Dosage
Cialis is for use as needed to help with Erectile Dysfunction
A recommended Cialis dosage to start with is 10 mg, taken priority to sexual activity
Depending on the affect on a individual the dosage can be increased to 20 mg or decreased to 2.5 mg as decided by your doctor
Cialis has been proven to improve erectile function up to 36 hours following dosing

Cautions
Consult your doctor to see if your heart is healthy enough for you to engage in sexual activity. Before you take CIALIS, inform your doctor of your entire medical history, along with any problems, particularly the ones listed below:
heart problems (angina, heart failure, irregular heartbeats)
high or low blood pressure
previous stroke or heart attack
liver or kidney problems
use of dialysis
retinitis pigmentosa
severe vision loss
stomach ulcers
Peyronie's disease
an erection that lasted more than 4 hours
blood cell problems such as sickle cell anemia, multiple myeloma, or leukemia
Only take this medication before sexual intercourse as this is not a recreational drug. It does not increase sexual performance of men who do not suffer from impotence.

Side Effects
Cialis side effects may include:
The most common, but less serious side effects with CIALIS are: 
headache
indigestion
back pain
muscle aches
stuffy or runny nose
redness or warmth in your face, neck, or chest
memory problems
Call your doctor if you get any side effect that bothers you or one that does not go away. Immediately stop using CIALIS and contact your doctor if you have any of the following serious side effects:
changes in vision/sudden vision loss
changes in your hearing/ sudden hearing loss
chest pain or heavy feeling, pain spreading to the arm or shoulder
nausea
sweating
irregular heartbeat
shortness of breath
swelling in your hands or feet
seizures
feeling light-headed/fainting
an erection that is painful or won't go away (lasting more than 4 hours)