Remular-S (Oral)

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Remular-S (Oral) Drug and Prescription Information

Remular-S (Oral)

Remular-S (Oral) Medication Classification


Remular-S (Oral) Brandname

Remular-S, Parafon Forte DSC

Remular-S (Oral) is used for the Treatment

Chlorzoxazone (klor-ZOX-a-zone) Treats pain and stiffness caused by muscle spasm.Belongs to a class of drugs called muscle relaxants.

When To Not Use Remular-S (Oral)

You should not use this medicine if you have ever had an allergic reaction to chlorzoxazone. You should not use if you have had a recent heart attack, heart failure, a heart rhythm disorder, heart block, or hyperthyroidism (overactive thyroid).

How Should You Use Remular-S (Oral)


  • Your doctor will tell you how much to take and how often.
  • You may take the tablets whole or you may crush the tablets and mix them with a small amount of food or liquid.
  • If a dose is missed:
  • Use the missed dose as soon as possible.
  • If it is almost time for your next regular dose, wait until then to use the medicine and skip the missed dose.
  • You should not use two doses at the same time.

Proper Remular-S (Oral) Storage

Store Remular-S (Oral) at room temperature away from sunlight and moisture unless otherwise stated by manufacturer's instructions or labelling. Keep Remular-S (Oral) and all medications out of the reach of children.

What To Avoid While Using Remular-S (Oral)

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

  • You should not use this medicine if you have used an MAO inhibitor such as Marplan® or Nardil® within the past 14 days.
  • Unless approved by your doctor, you should not use antidepressants, sleeping pills, tranquilizers, cold and allergy medicine, pain killers, or other muscle relaxants while using chlorzoxazone.
  • Do not drink alcohol while using this medicine.

Remular-S (Oral) Warnings

  • If you are pregnant or breastfeeding, talk to your doctor before using this medicine.
  • Talk to your doctor before using this medicine if you have kidney or liver disease or glaucoma.
  • You should not use more of this medicine, or use it for longer periods, than your doctor has ordered.
  • This medicine can cause drowsiness or blurred vision. Be careful while driving a car or operating machinery.
  • This medicine can sometimes cause your urine to turn an orange or red color. This is normal.

Remular-S (Oral) Side Effects

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

  • Skin rash or itching
  • Trouble breathing
  • Swelling of face or tongue
  • Yellowing of eyes or skin
  • Muscle weakness or slurred speech
  • If you notice these less serious side effects, talk with your doctor:
  • Drowsiness, dizziness, clumsiness
  • Constipation or diarrhea
  • Nausea or vomiting
  • Dry mouth
  • Heartburn or unpleasant taste

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