tadalafil - oral, Cialis (cont.)
HOW TO USE: Read the patient information leaflet provided by your pharmacist and ask questions if any of the information is unclear.Take this medication by mouth with or without food as directed by your doctor.When treating symptoms of an enlarged prostate (BPH), tadalafil should be taken once a day.There are two ways that this drug may be prescribed and taken for male sexual function problems. It may be taken as needed, or it may be taken once a day every day. Your doctor will determine which is the best way for you to take this drug. Follow your doctor's directions exactly.If used regularly every day for male sexual function problems, your doctor will prescribe a low dose (usually 2.5 to 5 milligrams per day). When this drug is taken only as needed, the dosing may need to be higher. Never take more of this drug than prescribed because you may experience serious side effects. Your doctor will adjust your dosage based on your response and other medications you may be taking (see also Drug Interactions section). Consult your doctor or pharmacist for more details.When taken as needed for male sexual function problems, take this drug at least 30 minutes before sexual activity; or use as directed by your doctor. This medication's effect on sexual ability may last up to 36 hours. Therefore, do not take more than once daily as needed.When taken regularly every day for male sexual function problems, you may attempt sexual activity at any time between your doses. Do not take more than one dose each day.If you are taking tadalafil for both male sexual function problems and an enlarged prostate (BPH), take it once a day. Do not take more than one dose each day. You may attempt sexual activity at any time between your doses.Avoid eating grapefruit or drinking grapefruit juice while being treated with this medication unless your doctor instructs you otherwise. Grapefruit juice can increase the amount of certain medications in your bloodstream. Consult your doctor or pharmacist for more details.
SIDE EFFECTS: Headache, stomach upset, back pain, muscle pain, nasal stuffiness, flushing, pain in arms or legs, dizziness, or vision changes may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Rarely, a sudden loss of eyesight in one or both eyes (NAION) may occur. This may or may not be due to tadalafil. If this serious problem occurs, seek immediate medical attention. You have a slightly greater chance of developing this serious eye problem if you have heart disease, diabetes, high cholesterol, certain eye problems ("crowded disk"), high blood pressure, are over 50 years of age, or if you smoke.Sexual activity may put extra strain on your heart, especially if you have heart problems. If you have heart problems or experience any of the following serious side effects during sex, stop and seek immediate medical attention: severe dizziness, fainting, chest pain.For males, in the very unlikely event you have a painful or prolonged erection lasting 4 or more hours, stop using this drug and seek immediate medical attention, or permanent problems could occur.Rarely, tadalafil may cause sudden hearing problems, or ringing in the ears. Stop taking this medication and tell your doctor immediately if these effects occur.A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Back to Medications Index