Duomax Oral Tablet, Biphasic Release 1200-40Mg Drug Medication Dosage Information
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Duomax: Oral tablet, biphasic release (1200-40mg)

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Drug Image file DrugItem_8566.JPG
Duomax 1200mg-40mg ER Tab
Capellon Pharmaceuticals Inc
Pill Identification: LD BT 
Drug Image file DrugItem_9658.JPG
Liquibid-D 1200 Tab
Capellon Pharmaceuticals Inc
Pill Identification: LD 1200 

What is this Medicine?

GUAIFENESIN; PHENYLEPHRINE (gwye FEN e sin; fen il EF rin) is a decongestant, expectorant combination. It is used to provide relief from cough and congestion. This medicine will not treat an infection.

In-Depth Information

Duomax 1200mg-40mg Extended-Release Tablet

NDC: 645430142
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)




FDA approved for the following conditions:
Cough, Common Cold, Eustachian Tube Congestion, Nasal Congestion

Storage Information
Store at room temperature (between 59 to 86 degrees F)
Duomax 1200mg-40mg Extended-Release Tablet
Drug Image file DrugItem_8566.JPG
Capellon Pharmaceuticals Inc
Pill Identification: LD BT 
Shape: oblong
Color: green,white
Daily Life Interactions for Duomax 1200mg-40mg Extended-Release Tablet

Elements of your daily lifestyle may have an effect on the medications you are taking. Drug interactions can result in unwanted side effects, reduce the effectiveness of your medicine or possibly increase the action of a particular medicine.

Moderate Lifestyle Interaction
Caffeine-containing Foods/Beverages and Duomax 1200mg-40mg Extended-Release Tablet(Phenylephrine Hydrochloride)
Caffeine-containing Foods/Beverages and Phenylephrine(Phenylephrine Hydrochloride)
Limit caffeine intake (examples: coffee, teas, colas, chocolate and some herbal supplements) while taking Phenylephrine. Also avoid medicines containing additional Caffeine whenever possible. Side effects from Phenylephrine may get worse if you take excessive Caffeine. Taking a high amount of Caffeine can increase the risk of nausea, nervousness, palpitations, problems with sleep, rapid heartbeat, tremor, or other side effects.
Pregnancy & Lactation Information
FIRST Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

SECOND Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

THIRD Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.


Learning More About
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