What is Pb-Hyoscy-Atropine-Scopolamine: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Pb-Hyoscy-Atropine-Scopolamine overview

BRAND NAMES:

  • Antispasmodic, Donnatal, Phenohytro

Generic Names:

  • Phenobarbital-Belladonna Alk

Uses:

  • Treats irritable bowel syndrome and similar digestion problems. May also treat duodenal ulcers.

Therapeutic Classes:

  • Antimuscarinic Combination, Gastrointestinal Agent

Forms:

  • Capsule, Long Acting Tablet, Liquid, Tablet

How it’s taken:

  • By mouth

What is Pb-Hyoscy-Atropine-Scopolamine used for?

What form(s) does Pb-Hyoscy-Atropine-Scopolamine come in

  • Capsule

  • Long Acting Tablet

  • Liquid

  • Tablet

What are common Pb-Hyoscy-Atropine-Scopolamine doses?

  • Tablet 16.2MG

  • Bottle 120ML of 16.2MG/5ML

Common Pb-Hyoscy-Atropine-Scopolamine prescriptions

  • PB-Hyoscy-Atropine-Scopolamine
    16.2mg tablet

How to take Pb-Hyoscy-Atropine-Scopolamine

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not freeze.

  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not freeze.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

What to do if you miss a dose of Pb-Hyoscy-Atropine-Scopolamine

Pb-Hyoscy-Atropine-Scopolamine contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to atropine, hyoscyamine, scopolamine, or phenobarbital. Do not use this medicine if you are pregnant.

Pb-Hyoscy-Atropine-Scopolamine warnings

  • Tell your doctor if you are pregnant or breastfeeding, of if you have glaucoma, myasthenia gravis, trouble urinating, or porphyria. Also tell your doctor if you have liver disease, kidney disease, heart disease, heart rhythm problems, high blood pressure, overactive thyroid, autonomic neuropathy, or an allergy to aspirin or tartrazine.

  • Even though this medicine treats digestion problems, it can also cause problems if you have certain other digestive conditions. Tell your doctor about all digestion problems, including colitis, reflux disease (GERD), blocked intestines, or gastric ulcer.

  • This medicine may cause you to sweat less and overheat. Avoid hot temperatures.

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • This medicine can be habit-forming. Do not use more than your prescribed dose. Call your doctor if you think your medicine is not working.

Pb-Hyoscy-Atropine-Scopolamine interactions

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • This medicine can be habit-forming. Do not use more than your prescribed dose. Call your doctor if you think your medicine is not working.

  • This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • This medicine may cause you to sweat less and overheat. Avoid hot temperatures.

  • Even though this medicine treats digestion problems, it can also cause problems if you have certain other digestive conditions. Tell your doctor about all digestion problems, including colitis, reflux disease (GERD), blocked intestines, or gastric ulcer.

  • Some drugs and foods can affect how this medicine works. Tell your doctor if you are also using a blood thinner, such as warfarin.

Pb-Hyoscy-Atropine-Scopolamine side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Blistering, peeling, red skin rash

  • Unusual excitement or restlessness

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