Guaifenesin

Brands

DEA Class; Rx

Common Brand Names; Mucinex, Bidex 400, Organidin NR

  • Expectorants

Oral expectorant used for cough to loosen and aid in the clearance of mucus
Not beneficial for cough suppression
Available in nonprescription (OTC) and prescription products

Indicated for the treatment of cough associated with colds and minor upper respiratory tract infections and for loosening phlegm and thin bronchial secretions to aid in clearing bronchial passages and making coughs more productive.

For the treatment of cervical factor infertility, including cervical mucus thickening induced by clomiphene treatment.

Hypersensitivity

  • Dizziness
  • Drowsiness
  • Decreased uric acid levels
  • Stomach pain
  • Nausea
  • Vomiting
  • Headache
  • Rash

Often comes in combos; check brand name/other constituents

Some products may contain phenylalanine

When using as self-medication in chronic or persistent coughs, notify health-care practitioner if no improvement within 7 days

Pregnancy category: C

Lactation: Excretion in milk unknown; use with caution

Adults

2400 mg/day PO.

Geriatric

2400 mg/day PO.

Adolescents

2400 mg/day PO.

Children

12 years: 2400 mg/day PO.
6 to 11 years: 1200 mg/day PO.
2 to 5 years: 600 mg/day PO.
Less than 2 years: Safety and efficacy have not been established.

Infants

Safety and efficacy have not been established.

Guaifenesin

tablet

  • 200mg
  • 400mg

tablet, extended-release

  • 600mg
  • 1200mg

oral syrup

  • 100mg/5mL

liquid

  • 100mg/5mL
  • 200mg/5mL

packet

  • 50mg
  • 100mg
Drugs Generic
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