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Tadalafil can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking tadalafil, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoke or are over 50 years old. Stop using tadalafil and get emergency medical help if you have sudden vision loss.
Applications:
Tadalafil is usually taken only once per day. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Tadalafil can be taken with or without food.
For erectile dysfunction, take Cialis just before sexual activity but not more than once per day.
Cialis can help achieve an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Follow your doctor's instructions.
During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. You could be having a serious side effect of tadalafil.
Do not break or split a Cialis tablet. Swallow it whole.
Do not take Cialis for erectile dysfunction if you are taking Adcirca for pulmonary arterial hypertension.
Store at room temperature away from moisture and heat.