Take as instructed, with or without food. Do not split or break the tablet, swallow it whole only once per day. Take the medicine just before sexual activity to help achieve an erection when sexual stimulation happens; an erection will not occur just by taking a tablet.
Do not take Tadalafil Citrate for erectile dysfunction if you are taking the medication for pulmonary arterial hypertension.
Leave at least 24 hours between doses and if taken daily, ensure a tablet is taken at the same time every day.
If you believe you may have taken an overdose of Tadalafil Citrate, seek emergency medical attention or call the Poison Helpline at 1-800-222-1222. Symptoms of an overdose could include chest pain, irregular heratbeat, nausea, a feeling of light-headedness or fainting.
Avoid drinking alcohol while taking Tadalafil Citrate as it may increase some side effects. Grapefruit juice and grapefruit can interact with Tadalafil Citrate and could lead to potentially dangerous side effects. Other erectile dysfunction medications may cause problems so avoid when taking Tadalafil Citrate.