Polmon (dexchlorpheniramine maleate)

Polmon (dexchlorpheniramine maleate)

What are the side effects of Polmon?

Common side effects of Polmon include:

  • hives,
  • drug rash,
  • anaphylactic shock,
  • skin sensitivity to sunlight,
  • excessive sweating,
  • chills,
  • dry mouth/nose/throat,
  • drowsiness,
  • dizziness,
  • reduced coordination,
  • fatigue,
  • confusion,
  • restlessness,
  • excitation,
  • nervousness,
  • tremor,
  • irritability,
  • insomnia,
  • euphoria,
  • numbness and tingling,
  • blurred or double vision,
  • spinning sensation (vertigo),
  • ringing in the ears (tinnitus),
  • upset stomach,
  • loss of appetite,
  • nausea,
  • vomiting,
  • diarrhea,
  • constipation,
  • urinary frequency,
  • difficult urination,
  • urinary retention,
  • tightness of chest and wheezing, and
  • stuffy nose

Is Polmon addictive?

No information provided

What is the dosage for Polmon?

Dosage should be individualized according to the needs and response of the patient.

  • Adults and Children 12 years of age and older: 2 mg (1 teaspoonful)
  • Children 6 to 11 years: 1 mg (½ teaspoonful)
  • Children 2 to 5 years: 0.5 mg (1/4 teaspoonful)

Doses are generally given every 4 to 6 hours.

What drugs interact with Polmon?

  • MAO inhibitors prolong and intensify the anticholinergic (drying) effects of antihistamines.

Polmon contraindications, and pregnancy and breastfeeding safety


Antihistamines should be used with considerable caution in patients with:

  • Narrow angle glaucoma
  • Stenosing peptic ulcer
  • Pyloroduodenal obstruction
  • Symptomatic prostatic hypertrophy
  • Bladder neck obstruction

Use In Children

  • In infants and children, especially, antihistamines in overdosage may cause hallucinations, convulsions, or death.
  • As in adults, antihistamines may diminish mental alertness in children. In the young child, particularly, they may produce excitation.

Use In Pregnancy

  • Experience with this drug in pregnant women is inadequate to determine whether there exists a potential for harm to the developing fetus.

Use In Breastfeeding

  • There is no information available on the effects of Polmon in women who are breastfeeding or their infants. 

Use With CNS Depressants

  • Polmon Oral Solution has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.).

Use In Activities Requiring Mental Alertness

  • Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc.

Use In The Elderly (approximately 60 years or older)


Allergies can best be described as: See Answer

Medically Reviewed on 9/17/2021


All sections courtesy of the U.S. Food and Drug Administration