- Clinician Information:
Donnatal Extentabs Patient Information including If I Miss a Dose
In this Article
- What is belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
- What are the possible side effects of belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
- What is the most important information I should know about belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
- What should I discuss with my healthcare provider before taking belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
- How should I take belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
- What happens if I miss a dose (Donnatal Extentabs)?
- What happens if I overdose (Donnatal Extentabs)?
- What should I avoid while taking belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
- What other drugs will affect belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
- Where can I get more information?
What happens if I miss a dose (Donnatal Extentabs)?
Take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose of this medication.
What happens if I overdose (Donnatal Extentabs)?
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include headache, dizziness, nausea, vomiting, dry mouth, blurred vision, hot or dry skin, trouble swallowing, feeling excited or agitated,
What should I avoid while taking belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
Do not take this medication together with a potassium supplement unless your doctor has told you to.
Tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by belladonna alkaloids and phenobarbital.
This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Avoid drinking alcohol while taking this medication or you could have increased dizziness and drowsiness.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Belladonna alkaloids and phenobarbital can decrease perspiration and you may be more prone to heat stroke.
What other drugs will affect belladonna alkaloids and phenobarbital (Donnatal Extentabs)?
The following drugs can interact with belladonna alkaloids and phenobarbital. Tell your doctor if you are using any of these:
- a blood thinner such as warfarin (Coumadin);
- ketoconazole (Nizoral);
- an MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam), or tranylcypromine (Parnate);
- atropine (Donnatal, and others), benztropine (Cogentin), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm-Scop);
- bronchodilators such as ipratroprium (Atrovent) or tiotropium (Spiriva);
- glycopyrrolate (Robinul);
- mepenzolate (Cantil);
- bladder or urinary medications such as darifenacin (Enablex), flavoxate (Urispas), oxybutynin (Ditropan, Oxytrol), tolterodine (Detrol), or solifenacin (Vesicare); or
- irritable bowel medications such as dicyclomine (Bentyl), hyoscyamine (Anaspaz, Cystospaz, Levsin, and others), or propantheline (Pro-Banthine).
This list is not complete and there may be other drugs that can interact with belladonna alkaloids and phenobarbital. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about belladonna alkaloids and phenobarbital.
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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