What happens if I miss a dose (Adcirca, Cialis)?
If tadalafil is used as needed, you are not likely to be on a dosing schedule.
If you take tadalafil every day and you miss a dose, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Adcirca, Cialis)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting.
What should I avoid while taking tadalafil (Adcirca, Cialis)?
Drinking alcohol can increase certain side effects of tadalafil.
Grapefruit and grapefruit juice may interact with tadalafil and lead to potentially dangerous effects. Discuss the use of grapefruit products with your doctor.
Avoid using other medicines to treat erectile dysfunction, such as sildenafil (Viagra) or vardenafil (Levitra) while you are taking tadalafil.
What other drugs will affect tadalafil (Adcirca, Cialis)?
Tell your doctor about all other medicines you use, especially:
- rifabutin (Mycobutin), rifampin (Rifadin, Rimactane, Rifater, Rifamate), or rifapentine (Priftin);
- an antibiotic such as clarithromycin (Biaxin), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole), or telithromycin (Ketek);
- antifungal medication such as itraconazole (Sporanox), ketoconazole (Nizoral), miconazole (Oravig), or voriconazole (Vfend);
- an antidepressant such as nefazodone;
- a barbiturate such as phenobarbital (Solfoton);
- drugs to treat high blood pressure or a prostate disorder, such as alfuzosin (Uroxatral), doxazosin (Cardura), prazosin (Minipress), terazosin (Hytrin), tamsulosin (Flomax);
- heart or blood pressure medication such as diltiazem (Cardizem, Dilacor, Tiazac), nicardipine (Cardene), quinidine (Quin-G), or verapamil (Calan, Covera, Isoptin, Verelan); or
- HIV or AIDS medications such as darunavir (Prezista), efavirenz (Sustiva), etravirine (Intelence), nevirapine (Viramune), fosamprenavir (Lexiva), indinavir (Crixivan), ritonavir (Norvir, Kaletra), and others; or
- seizure medications such as carbamazepine (Carbatrol, Equetro, Tegretol), phenytoin (Dilantin), and others.
This list is not complete and other drugs may interact with tadalafil. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about tadalafil.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2013 Cerner Multum, Inc. Version: 9.02. Revision date: 1/18/2012.
Your use of the content provided in this service indicates that you have read,understood and agree to the End-User License Agreement,which can be accessed by clicking on this link.
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?
Use the pill finder tool on RxList.