Dextromethorphan + Phenylpropanolamine + Pheniramine

Indications

Dextromethorphan + Phenylpropanolamine + Pheniramine is used for: Cough suppression, dry cough

Adult Dose

Oral Cough suppression Adult: 2-3 tsf 2-3 times daily

Child Dose

Oral Cough suppression Child.12 years: 2-3 tsf 2-3 times daily

Renal Dose

Administration

May be taken with or without food.

Contra Indications

Symptomatic prostatic hypertrophy; neonates and premature infants.

Precautions

Treatment with a cough medicine in children (especially under 12 years old) should be considered carefully due to potential risks and limited evidence on efficacy. Pregnancy and lactation. May impair ability to drive or operate machinery. Has potential for abuse. Narrow angle glaucoma, asthma or severe CV disease. Antiemetic effect may mask signs of other conditions.

Pregnancy-Lactation

Interactions

Adverse Effects

Side effects of Dextromethorphan + Phenylpropanolamine + Pheniramine : Gastrointestinal disorders: Abdominal pain, diarrhoea, gastrointestinal disturbance, nausea, vomiting. Nervous system disorders: Dizziness, drowsiness, convulsion, psychomotor hyperactivity, somnolence, serotonin syndrome, excitement, nervousness. Psychiatric disorders: Insomnia, confusional state. Respiratory, thoracic and mediastinal disorders: Respiratory depression.

Mechanism of Action

Dextromethorphan, a centrally-acting antitussive agent, depresses the medullary cough centre through sigma receptor stimulation, resulting to decreased sensitivity of cough receptors and interruption of cough impulse transmission. Pheniramine is an alkylamine derivative with histamine H1-receptor antagonist effects. It also has anticholinergic and moderate sedative effects.