Guaifenesin/phenylephrine

Guaifenesin/phenylephrine is a combination medication used primarily to treat symptoms of the common cold and sinusitis. This medication combines the expectorant guaifenesin, which helps to loosen and thin mucus in the lungs, making it easier to cough up, and the decongestant phenylephrine, which shrinks blood vessels in the nasal passages to reduce congestion.

Composition

The medication is typically available in tablet form and contains 400 mg of guaifenesin and 10 mg of phenylephrine. However, the dosage may vary depending on the specific product and the needs of the patient.

Uses

Guaifenesin/phenylephrine is used to relieve symptoms caused by the common cold, flu, allergies, or other breathing illnesses such as bronchitis and sinusitis. The guaifenesin in the medication helps to thin and loosen mucus in the lungs, making it easier to cough up. The phenylephrine helps to reduce nasal congestion by shrinking the blood vessels in the nasal passages.

Side Effects

Common side effects of guaifenesin/phenylephrine include dizziness, headache, and nausea. More serious side effects can include high blood pressure, fast or irregular heartbeat, and severe dizziness. If any of these side effects occur, it is recommended to seek medical attention immediately.

Precautions

Before taking guaifenesin/phenylephrine, it is important to inform your doctor or pharmacist if you are allergic to either of the drugs, or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems.

Interactions

Guaifenesin/phenylephrine may interact with other medications, including blood pressure medications, antidepressants, and other decongestants. It is important to inform your doctor or pharmacist of all the products you use, including prescription drugs, nonprescription drugs, and herbal products.

See Also

• Common cold
• Sinusitis
• Bronchitis
• Allergies
• Decongestant
• Expectorant

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