Who should not take M-Phen Syrup?

The following conditions are contraindicated with this drug. Check with your physician if you have any of the following:

Conditions:

  • decreased function of bone marrow
  • a type of movement disorder called parkinsonism
  • neuroleptic malignant syndrome
  • a reaction characterized by fever
  • muscle rigidity and confusion
  • a low seizure threshold
  • closed angle glaucoma
  • torsades de pointes
  • a type of abnormal heart rhythm
  • prolonged QT interval on EKG
  • abnormal EKG with QT changes from birth
  • decreased lung function
  • stenosing peptic ulcer
  • a narrowing of the opening between the stomach and the small intestine
  • blockage of the stomach or intestine
  • liver problems
  • blockage of the urinary bladder
  • enlarged prostate
  • coma
  • seizures
  • sleep apnea
  • high amount of bilirubin in the blood
  • a chronic lung disease where the airways become partially blocked with mucus called COPD
  • chronic idiopathic constipation
  • overactive thyroid gland
  • acidosis
  • a high level of acid in the blood
  • high blood pressure
  • significant uncontrolled high blood pressure
  • a heart attack
  • coronary artery disease
  • partial heart block
  • rapid ventricular heartbeat
  • slow heartbeat
  • chronic heart failure
  • severe hardening of the arteries
  • a blood clot in an artery
  • acute inflammation of the liver
  • acute inflammation of the pancreas
  • decreased oxygen in the tissues or blood
  • systemic mastocytosis
  • untreated decreased level of thyroid hormones
  • decreased function of the adrenal gland
  • alcohol intoxication
  • drug abuse
  • cor pulmonale
  • low blood pressure
  • asthma
  • Asthma Attack
  • constipation
  • severe liver disease
  • biliary and gallbladder problem
  • a condition where the body is unable to maintain adequate blood flow called shock
  • an inability to completely empty the bladder
  • weakened patient
  • a mother who is producing milk and breastfeeding
  • high pressure within the skull
  • CYP2D6 ultrarapid metabolizer
  • CYP2D6 poor metabolizer
  • sleep apnea due to airway obstruction
  • Surgical Removal of the Adenoids in Pediatric Patient
  • Surgical Removal of the Tonsils in Pediatric Patient
  • kidney disease with likely reduction in kidney function
  • history of opioid overdose

Allergies:

  • Opioids - Morphine Analogues
  • Tramadol
  • Sympathomimetic Agents
  • Ephedrine Analogues
  • Phenothiazines

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.