- It is used to treat erectile dysfunction (ED).
- In men, it is used to treat the signs of an enlarged prostate.
- It is used to treat raised pressure in the lungs.
- It may be given to you for other reasons. Talk with the doctor.
- If you have an allergy to tadalafil or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Kidney disease or liver disease.
- If you have certain hereditary eye problems like retinitis pigmentosa.
- If you have a health problem called pulmonary veno-occlusive disease (PVOD).
- If you have a certain type of chest pain (unstable angina).
- If you have any of these health problems: Heart attack within the last 90 days, chest pain during sex, heart failure, a heartbeat that is not normal, high or low blood pressure, or a stroke within the last 6 months.
- If you use drugs called “poppers” like amyl nitrite and butyl nitrite.
- If you are taking any of these drugs: Isosorbide dinitrate, isosorbide mononitrate, nitroglycerin, riociguat, or ritonavir.
- If you are taking any of these drugs: Itraconazole or ketoconazole.
- If you are taking rifampin.
- If you are taking another drug that has the same drug in it.
- If you are taking another drug like this one that is used to treat erectile dysfunction (ED) or high pressure in the lungs.
- If you are taking any of these drugs: Alfuzosin, doxazosin, prazosin, silodosin, tamsulosin, or terazosin.
- If the patient is a child. This drug is not approved for use in children.
- If you have been told that you are not healthy enough to have sex.
- Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
- To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down. Be careful going up and down stairs.
- Talk with your doctor before you drink alcohol.
- If you drink grapefruit juice or eat grapefruit often, talk with your doctor.
- Very bad and sometimes deadly side effects like a heartbeat that does not feel normal, heart attack, stroke, and very bad high blood pressure have happened with this drug. Talk with the doctor.
- A very bad eye problem has rarely happened with this drug. This may lead to a change in eyesight and sometimes loss of eyesight, which may not come back. Talk with the doctor.
- If you are 65 or older, use this drug with care. You could have more side effects.
- This drug does not stop the spread of diseases like HIV or hepatitis that are passed through blood or having sex. Do not have any kind of sex without using a latex or polyurethane condom. Do not share needles or other things like toothbrushes or razors. Talk with your doctor.
- This drug is not approved for use in women. If you are a woman using this drug, talk with your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Chest pain or pressure or a fast heartbeat.
- A heartbeat that does not feel normal.
- Dizziness or passing out.
- Very bad headache.
- Weakness on 1 side of the body, trouble speaking or thinking, change in balance, drooping on one side of the face, or blurred eyesight.
- Change in eyesight.
- Loss of eyesight.
- Hearing loss.
- Change in hearing.
- Ringing in ears.
- Very bad muscle pain, back pain, soreness, or weakness.
- Call your doctor right away if you have a painful erection (hard penis) or an erection that lasts for longer than 4 hours. This may happen even when you are not having sex. If this is not treated right away, it may lead to lasting sex problems and you may not be able to have sex.
- Back pain.
- Muscle pain.
- Upset stomach.
- Nose or throat irritation.
- Stuffy nose.
- Runny nose.
- Pain in arms or legs.
- Take with or without food.
- Read the package insert for more details.
- Swallow whole. Do not chew, break, or crush.
- Follow how to take this drug as you have been told by your doctor. Do not use more than you were told to use.
- Take this drug at the same time of day.
- To gain the most benefit, do not miss doses.
- Keep taking this drug as you have been told by your doctor or other health care provider, even if you feel well.
- Many times this drug is taken on an as needed basis. Do not take more often than told by the doctor.
- For daily use: Take a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- Store at room temperature.
- Protect from light.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.