• Guaifenesin has the following structural formula:
  • To make sure codeine and guaifenesin is safe for you, tell your doctor if you have:
  • Guaifenesin will relieve symptoms but will not treat the cause of symptoms or speed recovery.
  • Ask your health care provider any questions you may have about how to use Guaifenesin Granules.

Kirkland Signature Mucus Relief Chest Guaifenesin 400 mg Expectorant - 200 Im...

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Guaifenesin 100 mg-hydrocodone 2.5 mg-phenylephrine 5 mg/5 mL oral liquid:
2 to 6 years: 2.5 mL orally every 4 to 6 hours not to exceed 6 doses daily.
7 to 11 years: 5 mL orally every 4 to 6 hours not to exceed 6 doses daily.
12 years or older:10 mL orally every 4 to 6 hours not to exceed 6 doses daily.

Guaifenesin 100 mg-hydrocodone 2.5 mg-phenylephrine 7.5 mg/5 mL oral syrup:
2 to 3 years: 0.075 mg/kg of hydrocodone orally 4 times daily.
4 to 6 years: 2.5 mL orally every 4 to 6 hours not to exceed 6 doses daily.
7 to 11 years: 5 mL orally every 4 to 6 hours not to exceed 6 doses daily.
12 years or older: 10 mL orally every 4 to 6 hours not to exceed 6 doses daily.

Guaifenesin 100 mg-hydrocodone 4 mg-phenylephrine 10 mg/5 mL oral liquid:
2 to 5 years: 1.25 mL orally every 4 to 6 hours not to exceed 6 doses daily.
6 to 11 years: 2.5 mL orally every 4 to 6 hours not to exceed 6 doses daily.
12 years or older: 5 mL orally every 4 to 6 hours not to exceed 6 doses daily.

Guaifenesin 120 mg-hydrocodone 2.5 mg-phenylephrine 6 mg/5 mL oral syrup:
6 to 11 years: 5 mL orally every 4 to 6 hours not to exceed 4 doses daily.
12 years or older: 10 mL orally every 4 to 6 hours not to exceed 4 doses daily.

Guaifenesin 150 mg-hydrocodone 2.5 mg-phenylephrine 6 mg/5 mL oral syrup:
2 to 3 years: 0.075 mg/kg of hydrocodone orally 4 times daily.
4 to 6 years: 2.5 mL orally every 4 to 6 hours not to exceed 6 doses daily.
7 to 11 years: 5 mL orally every 4 to 6 hours not to exceed 6 doses daily.
12 years or older: 10 mL orally every 4 to 6 hours not to exceed 6 doses daily.

Guaifenesin 200 mg-hydrocodone 2.5 mg-phenylephrine 7.5 mg/5 mL oral liquid:
2 to 6 years: 2.5 mL orally every 4 to 6 hours not to exceed 10 mL daily.
7 to 11 years: 5 mL orally every 4 to 6 hours not to exceed 20 mL daily.
12 years or older: 10 mL orally every 4 to 6 hours not to exceed 40 mL daily.

Guaifenesin 225 mg-hydrocodone 2.5 mg-phenylephrine 10 mg/5 mL oral elixir:
6 to 11 years: 5 mL orally every 4 to 6 hours.
12 years or older:: 10 mL orally every 4 to 6 hours.

Taking this medicine with other drugs that make you sleepy or slow your breathing can cause dangerous or life-threatening side effects. Ask your doctor before taking guaifenesin, hydrocodone, and phenylephrine with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.

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2 Manufacturing Cost Structure Analysis of Guaifenesin

Guaifenesin is sold as pills or syrups under many brand names such as Guai-Aid, GuaiLife, Ethex 208, Humibid, Mucinex and Robitussin. It is also included in many other over-the-counter cough and cold remedy combinations - usually in conjunction with dextromethorphan and/or phenylephrine and/or acetaminophen. Dextromethorphan is an antitussive and this combination can lead to fewer, but more productive coughs.