PCM & Dicyclomine HCL Suspension

Dicyclomine Hydrochloride is a synthetic tertiary amine antispasmodic. It is an anti cholinergic drug. It acts by blocking muscarinic receptors in smooth muscle of the stomach and intestine and relieves muscle spasm and cramping in gastrointestinal tract (GIT).
Dicyclomine inhibits gastrointestinal propulsive motility and decrease gastric acid secretion and controls excessive tracheal, pharyngeal, and bronchial secretions.
Paracetamol also known as acetaminophen. It is Non steroidal anti-inflammatory drug and belongs to a group of medicines known as analgesics or pain killer. It is use to relieve mild to moderate pain and fever.
Dicyclomine hydrochloride is an anti-cholinergic drug which controls the secretions of the body while paracetamol is an analgesic. Thus Dicyclomine HCL+ PCM combination used to treat running nose, common cold, flu, body ache, muscle pain.
This combination is used for
  • Antispasmodic
  • Nasal allergy and Common cold
  • Muscle pain
  • Treatment of irritable bowel syndrome
  • GI motility disturbance

PHARMACOKINETIC PROPERTIES OF PCM & DICYCLOMINE HCL

DICYCLOMINE:
ABSORPTION: Rapidly absorbed from the GI tract and attain peak plasma concentration in 1 hour.
PROTEIN BINDING: >99%
HALF LIFE: 5 h
INITIAL DISTRIBUTION PHASE:1.8 h
TERMINAL ELIMINATION PHASE: about 9-10 h
ROUTE OF ELIMINATION:Plasma concentration decline in biphasic manner. About 80% of a dose is eliminated in urine and about 10% in feces.

PARACETAMOL:
ABSORPTION: It is readily absorbed from GI tract and achieves peak plasma concentration in 30 to 60 minute. But it is incompletely available to systemic circulation after oral administration due to first pass metabolism.
PROTEIN BINDING: 10-25%
HALF LIFE: 2 h
METABOLISM: It metabolism extensively by liver and to minor extent by intestine.
ELIMINATION: Urine (85-90%)


PHARMACODYNAMIC PROPERTIES OF PCM & DICYCLOMINE HCL

Dicyclomine is an anti-cholinergic drug. It shows a specific anticholinergic effect at the acetylcholine receptor sites and control body secretion (running nose).
Dicyclomine decrease gastric acid secretion and controls excessive pharyngeal, tracheal and bronchial secretions by inhibiting gastrointestinal propulsive motility.
Drugs which increase side effects of Dicyclomine:
  • Antiarrhythmic
  • Antihistamine
  • Benzodiazepines
  • Phenothiazines
  • Nitrates
  • Tricyclic antidepressant
  • Dicyclomine can pass into breast milk and can cause breathing problem or life threatening side effects. Do not breast feed while taking this medicine.
  • Dicyclomine should not be given to a child younger than 6 months.
  • Contradicted in Glaucoma and Myasthenia gravis patients.
  • Obstructive disease of the gastrointestinal tract.
  • Sever ulcerative colitis.
  • Reflux esophagitis.
To avoid side effects of Dicyclomine, start medication with low dose.
Shake well before use.
The most commonly reported adverse effects are
  • Blurred vision
  • Allergic reaction
  • Constipation
  • Loss of taste
  • Hallucination
  • Convulsions
  • Dry mouth
  • Nervousness