Guaifenesin AC Oral

Guaifenesin AC Oral Side Effects

Drowsiness, dizziness, lightheadedness, facial flushing, nausea, vomiting, or constipation may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

• mental/mood changes (e.g., confusion, hallucinations)
• fast/irregular heartbeat
• slow/shallow breathing
• trouble urinating

Seek immediate medical attention if this rare but very serious side effect occurs:

• seizure

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction:

• rash
• itching/swelling (especially of the face/tongue/throat)
• severe dizziness
• trouble breathing

This is not a complete list of possible side effects. If you notice other side effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Guaifenesin AC Oral Precautions

Before taking this medication, tell your doctor or pharmacist if you are allergic to any of its ingredients; or to narcotic pain relievers (e.g., morphine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

• abdominal problems (e.g., chronic constipation, ileus, pancreatitis)
• adrenal gland problem (e.g., Addison's disease)
• brain disorders (e.g., seizures, head injury, tumor, increased intracranial pressure)
• breathing problems (e.g., asthma, emphysema)
• heart problems (e.g., irregular heartbeat)
• kidney disease
• liver disease
• mental/mood disorders (e.g., depression, psychosis)
• a certain spinal problem (kyphoscoliosis)
• underactive thyroid (hypothyroidism)
• trouble urinating (e.g., due to enlarged prostate or urethral stricture)
• use/abuse of drugs/alcohol

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