Hyoscyamine/Atropine/Scopolamine/Phenobarbital (Oral) (Antispas; Donnatal; Donnatal Extentabs; Haponal; Hyonatol) - Drugs Information, Side Effects, & Interactions

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You are here : 3-RX.com > Drugs & Medications > Quick Drug Information (DrugNotes) > Hyoscyamine/Atropine/Scopolamine/Phenobarbital (Oral)

Atropine (A-troe-peen), Hyoscyamine (hye-oh-SYE-a-meen), Phenobarbital (fee-noe-BAR-bi-tal), Scopolamine (scoe-POL-a-meen)

Treats irritable bowel syndrome (relieves spasms and cramping) and ulcers.

Donnatal, Donnatal Extentabs, Haponal, Hyonatol, Antispas
There may be other brand names for this medicine.

You should not use this medicine if you have had any allergic reaction to atropine, hyoscyamine, scopolamine, or phenobarbital.

Liquid, Tablet, Long Acting Tablet, Capsule

Your doctor will tell you how much of this medicine to use and how often. Do not use more medicine or use it more often than your doctor tells you to.
Take this medicine 30 to 60 minutes before meals unless your doctor tells you differently.
Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
Swallow thetablet whole. Do not chew, crush, or break.

If a dose is missed:

If you miss a dose or forget to use your medicine, use it as soon as you can. If it is almost time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use extra medicine to make up for a missed dose.

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Avoid drinking alcohol.
Wait 2 to 3 hours after your dose of this medicine before taking antacids (such as Maalox® or Mylanta®) or medicine to stop diarrhea.
Make sure your doctor knows if you are taking blood thinners (Coumadin®), ketoconazole (Nizoral®), MAO inhibitors (such as Nardil® or Parnate®) or any medicines that could make you sleepy such as sleeping pills, cold or allergy medicine, antidepressants, tranquilizers, or strong pain killers.

Check with your doctor before taking this medicine if you have liver or kidney disease, glaucoma, enlarged prostate or trouble urinating, intestinal problems, or any other medical problems.
If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
This medicine may make you sweat less and cause your body to get too hot. Be careful in hot weather, especially if you are exercising, working, or using a sauna or whirlpool.
You should not use this medicine more often or in larger doses than ordered by your doctor.
This medicine may cause dizziness or blurred vision. Be careful if you are driving a car or using machinery.
Your eyes may become more sensitive to bright light because of this medicine. If this is a problem, you may want to wear sunglasses.

Call your doctor right away if you notice any of these side effects:

If you notice these less serious side effects, talk with your doctor:

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