What happens if I miss a dose (Levatol)?
Take the missed dose as soon as you remember. If your next dose is less than 8 hours away, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Levatol)?
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include slow heart rate, wheezing, chest tightness, trouble breathing, weak pulse, fainting, or slow breathing.
What should I avoid while taking penbutolol (Levatol)?
This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Drinking alcohol can increase certain side effects of penbutolol.
What other drugs will affect penbutolol (Levatol)?
Tell your doctor about all other medicines you use, especially:
- digoxin (digitalis, Lanoxin);
- tizanidine (Zanaflex);
- a diuretic (water pill);
- asthma medications such as albuterol (Ventolin, Proventil), aminophylline (Phyllocontin, Truphylline), metaproterenol (Alupent), pirbuterol (Maxair), salmeterol (Advair, Serevent), terbutaline (Brethaire, Brethine, Bricanyl), or theophylline (Elixophyllin, Theo-24, Theochron, Uniphyl);
- blood pressure medications also used to treat a prostate disorder, such as doxazosin (Cardura), prazosin (Minipress), or terazosin (Hytrin);
- a calcium channel blocker such as amlodipine (Norvasc, Caduet, Exforge, Lotrel, Tekamlo, Tribenzor, Twynsta, Amturnide), diltiazem (Cartia, Cardizem), nifedipine (Nifedical, Procardia), verapamil (Calan, Covera, Isoptin, Verelan), and others; or
- heart or blood pressure medication such as clonidine (Catapres), guanabenz (Wytensin), guanfacine (Intuniv, Tenex), hydralazine (Apresoline, BiDil), methyldopa (Aldomet), or minoxidil (Loniten).
This list is not complete and other drugs may interact with penbutolol. 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 has additional information about penbutolol written for health professionals that you may read.
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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