Medications


Guaifenesin/Phenylephrine Oral Tablet

Uses

This medicine is used for the following purposes:

  • coughing
  • stuffy nose

Instructions

Swallow the medicine without crushing or chewing it.

You may break or cut the pill if necessary.

Swallow with a full glass (8 oz) of water unless your doctor gives you different instructions.

You may take with food to prevent stomach upset.

Try to avoid taking the medicine at bedtime.

Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.

Drink plenty of water while on this medicine.

If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal dosing schedule. Do not take 2 doses of this medicine at one time.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

You may stop using this medicine if you no longer have symptoms.

Keep all appointments for medical exams and tests while on this medicine.

Cautions

This medicine is not recommended for use in children younger than 6.

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Do not use the medication any more than instructed.

If possible, avoid using with marijuana or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Please check with your doctor before drinking alcohol while on this medicine.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • headaches
  • high blood pressure
  • nausea
  • stomach upset or abdominal pain

If you have any of the following side effects, you may be getting too much medicine. Please contact your doctor to let them know about these side effects.

  • agitated feeling or trouble sleeping
  • dizziness
  • irritability
  • nervousness
  • shakiness

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • changes in memory, mood, or thinking
  • confusion
  • fainting
  • hallucinations (unusual thoughts, seeing or hearing things that are not real)
  • fast or irregular heart beats
  • seizures
  • shortness of breath
  • difficulty or discomfort urinating

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Extra

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.

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IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice. There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist. The display and use of this drug information is subject to Terms of Use. Copyright(c) 2022 First Databank, Inc.


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