Parafon Forte DSC Side Effects

Generic Name: chlorzoxazone

Note: This document contains side effect information about chlorzoxazone. Some of the dosage forms listed on this page may not apply to the brand name Parafon Forte DSC.

Some side effects of Parafon Forte DSC may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to chlorzoxazone: oral capsule, oral tablet

Along with its needed effects, chlorzoxazone (the active ingredient contained in Parafon Forte DSC) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking chlorzoxazone:

Rare
  • Bloody or black, tarry stools
  • clay-colored stools
  • constipation
  • cough
  • dark urine
  • decreased appetite
  • difficulty swallowing
  • dizziness
  • fast heartbeat
  • fever
  • headache
  • hives
  • itching
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • loss of appetite
  • nausea and vomiting
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • severe stomach pain
  • shortness of breath
  • skin rash
  • swelling of the feet or lower legs
  • tightness in the chest
  • unusual tiredness or weakness
  • vomiting of blood or material that looks like coffee grounds
  • wheezing
  • yellow eyes or skin

Get emergency help immediately if any of the following symptoms of overdose occur while taking chlorzoxazone:

Symptoms of overdose
  • Diarrhea
  • difficult or troubled breathing
  • drowsiness
  • general feeling of discomfort or illness
  • headache
  • irregular, fast or slow, or shallow breathing
  • lightheadedness
  • nausea
  • pale or blue lips, fingernails, or skin
  • sluggishness
  • vomiting

Some side effects of chlorzoxazone may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Rare
  • Bruising
  • large, flat, blue, or purplish patches in the skin
  • small red or purple spots on the skin

For Healthcare Professionals

Applies to chlorzoxazone: compounding powder, oral tablet

Gastrointestinal

Gastrointestinal side effects of chlorzoxazone (the active ingredient contained in Parafon Forte DSC) have rarely included gastrointestinal bleeding.

Nervous system

Nervous system side effects have included drowsiness, dizziness, light-headedness, malaise, and overstimulation.

Hypersensitivity

Hypersensitivity side effects have rarely included skin rashes, petechiae, angioneurotic edema, anaphylactic reactions, and ecchymoses.

Renal

Renal side effects attributed to a phenolic metabolite have rarely included urine discoloration.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

Hide
(web3)