Tadalafil
Tadalafil Oral tablet
What is this medicine?
TADALAFIL (tah DA la fil) is used to treat erection problems in men. It is also used for enlargement of the prostate gland in men, a condition called benign prostatic hyperplasia or BPH. This medicine improves urine flow and reduces BPH symptoms. This medicine can also treat both erection problems and BPH when they occur together.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
bleeding disorders
eye or vision problems, including a rare inherited eye disease called retinitis pigmentosa
anatomical deformation of the penis, Peyronie’s disease, or history of priapism (painful and prolonged erection)
heart disease, angina, a history of heart attack, irregular heart beats, or other heart problems
high or low blood pressure
history of blood diseases, like sickle cell anemia or leukemia
history of stomach bleeding
kidney disease
liver disease
stroke
an unusual or allergic reaction to tadalafil, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You may take this medicine with or without meals. When this medicine is used for erection problems, your doctor may prescribe it to be taken once daily or as needed. If you are taking the medicine as needed, you may be able to have sexual activity 30 minutes after taking it and for up to 36 hours after taking it. Whether you are taking the medicine as needed or once daily, you should not take more than one dose per day. If you are taking this medicine for symptoms of benign prostatic hyperplasia (BPH) or to treat both BPH and an erection problem, take the dose once daily at about the same time each day. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you are taking this medicine as needed for erection problems, this does not apply. If you miss a dose while taking this medicine once daily for an erection problem, benign prostatic hyperplasia, or both, take it as soon as you remember, but do not take more than one dose per day.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
nitrates like amyl nitrite, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin
other medicines for erectile dysfunction like avanafil, sildenafil, vardenafil
other tadalafil products (Adcirca)
riociguat
This medicine may also interact with the following medications:
certain drugs for high blood pressure
certain drugs for the treatment of HIV infection or AIDS
certain drugs used for fungal or yeast infections, like fluconazole, itraconazole, ketoconazole, and voriconazole
certain drugs used for seizures like carbamazepine, phenytoin, and phenobarbital
grapefruit juice
macrolide antibiotics like clarithromycin, erythromycin, troleandomycin
medicines for prostate problems
rifabutin, rifampin or rifapentine
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
If you notice any changes in your vision while taking this drug, call your doctor or health care professional as soon as possible. Stop using this medicine and call your health care provider right away if you have a loss of sight in one or both eyes.
Contact your doctor or health care professional right away if the erection lasts longer than 4 hours or if it becomes painful. This may be a sign of serious problem and must be treated right away to prevent permanent damage.
If you experience symptoms of nausea, dizziness, chest pain or arm pain upon initiation of sexual activity after taking this medicine, you should refrain from further activity and call your doctor or health care professional as soon as possible.
Do not drink alcohol to excess (examples, 5 glasses of wine or 5 shots of whiskey) when taking this medicine. When taken in excess, alcohol can increase your chances of getting a headache or getting dizzy, increasing your heart rate or lowering your blood pressure.
Using this medicine does not protect you or your partner against HIV infection (the virus that causes AIDS) or other sexually transmitted diseases.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
changes in hearing
changes in vision
chest pain
fast, irregular heartbeat
prolonged or painful erection
seizures
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
back pain
dizziness
flushing
headache
indigestion
muscle aches
nausea
stuffy or runny nose
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
Tadalafil Oral tablet [Pulmonary Hypertension]
What is this medicine?
TADALAFIL (tah DA la fil) is used to treat pulmonary arterial hypertension. This is a serious heart and lung condition. This medicine helps to improve symptoms and quality of life.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
eye or vision problems, including a rare inherited eye disease called retinitis pigmentosa
heart disease, angina, a history of heart attack, irregular heart beats, or other heart problems
high or low blood pressure
kidney disease
liver disease
pulmonary veno-occlusive disease (PVOD)
stomach ulcers
stroke
an unusual or allergic reaction to tadalafil, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You can take this medicine with or without food. Take your medicine at regular intervals. Take both tablets at the same time, one after the other. Do not split your dose throughout the day. Do not take it more often than directed. Do not stop taking except on your doctor's advice.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you've taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
nitrates like amyl nitrite, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin
other medicines for erectile dysfunction like avanafil, sildenafil, vardenafil
other tadalafil products (Cialis)
riociguat
This medicine may also interact with the following medications:
certain drugs for high blood pressure
certain drugs for the treatment of HIV infection or AIDS
certain drugs used for fungal or yeast infections, like fluconazole, itraconazole, ketoconazole, and voriconazole
certain drugs used for seizures like carbamazepine, phenytoin, and phenobarbital
grapefruit juice
macrolide antibiotics like clarithromycin, erythromycin, troleandomycin
medicines for prostate problems
rifabutin, rifampin or rifapentine
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
Do not change the dose of your medicine without asking your doctor. Call your doctor if your medication is not working for you. This may be a sign that your condition has become worse.
If you notice any changes in your vision while taking this drug, call your doctor or health care professional as soon as possible. Stop using this medicine and call your health care provider right away if you have a loss of sight in one or both eyes.
For males, contact you doctor or health care professional right away if an erection lasts longer than 4 hours or if it becomes painful. This may be a sign of serious problem and must be treated right away to prevent permanent damage.
If you experience symptoms of nausea, dizziness, chest pain, or arm pain after taking this medicine, you should discuss the episode with your doctor or health care professional as soon as possible.
Do not drink more than 4 alcohol-containing drinks in a short period of time when taking this medicine. When taken in excess, alcohol can increase your chances of getting a headache or getting dizzy, increasing your heart rate or lowering your blood pressure.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
changes in hearing
changes in vision
chest pain
fast, irregular heartbeat
Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):
back pain
dizziness
flushing
headache
indigestion
muscle aches
stuffy or runny nose
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
Updated:  
March 21, 2017
Sources:  
U.S. FDA-approved Package Insert