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  • Basic Info
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What is this medicine?

CODEINE; GUAIFENESIN (KOE deen; gwye FEN e sin) is a cough suppressant and expectorant. It breaks up and clears congestion. This medicine also helps to stop or reduce coughing. It will not treat an infection.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • Addison's disease
  • drug or alcohol abuse or addiction
  • enlarged prostate
  • glaucoma
  • fever
  • heart disease or high blood pressure
  • intestinal or stomach problems
  • kidney disease
  • liver disease
  • lung disease like asthma or emphysema
  • recent surgery or injury
  • seizures
  • thyroid disease
  • trouble passing urine
  • an allergic or unusual reaction to codeine, hydromorphone, hydrocodone, oxycodone, morphine, guaifenesin, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast- feeding

How should I use this medicine?

Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Take this medicine with food or milk if it upsets your stomach. Take your doses at regular times. Do not take your medicine more often than directed. If you are taking this medicine on a regular basis, do not suddenly stop taking it. Your doctor may want to slowly lower your dose.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 6 years old for selected conditions, precautions do apply.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

  • alcohol
  • antihistamines for allergy, cough and cold
  • certain medicines for depression, anxiety, or psychotic disturbances
  • certain medicines for sleep
  • MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
  • medicines used to treat opioid addiction or overdose
  • muscle relaxants
  • narcotic medicines (opiates) for pain
  • tramadol

               
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