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.
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