Guaifenesin; Phenylephrine tablets or capsules

What is this medication?

GUAIFENESIN; PHENYLEPHRINE (gwye FEN e sin; fen il EF rin) is a decongestant, expectorant combination. It is used to provide relief from cough and congestion. This medicine will not treat an infection.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Aldex, Aldex G, Ambi, Ami-Tex LA, Amidal, Aquatab D, Boca-Tex LA, Crantex, Crantex LA, D-Phen-1000, Deconex, Deconex IR, Deconsal II, Duomax, Duraphen, Duraphen II, Duratuss, Duratuss GP, Duratuss PE, Duravent PE, Dynex LA, Endal, Entex ER, Entex LA, ExeFen-PD, ExeTuss, Extendryl G, Gentex LA, Gilphex TR, Giltuss Sinus Plus, Guaifed, Guaifed PD, Guaifen PE, Guaiphen PD TR, Guaiphen-D, Guiadex PD, J-Max, Liquibid D, Liquibid D-R, Liquibid PD, Liquibid PD-R, Lusonex, Maxiphen, Maxiphen-G, Medent-PE, Medent-PEI, Miraphen PE, MucaphEd, Mucus Relief Sinus, Mydex, MyDocs, Nasex, Nasex-G, Nescon PD, Nexphen PD, Norel EX, PE/GUAI, Pendex, PhenaVent, PhenaVent D, PhenaVent LA, PhenaVent PED, Prolex D, Prolex PD, Proset D, Quindal, Reluri, Simuc, SINA-12X, Sinuvent PE, Sitrex, Sudafed PE Non-Drowsy, Sudex, Tussbid, Visonex, WellBid-D, Xedec, Xedec II, Xpect-PE, Zinx Congestion, Zotex GPX, Zotex-GP

What should I tell my care team before I take this medication?

They need to know if you have any of the following conditions:

•blood vessel disease

•diabetes

•fever

•glaucoma

•heart disease or heart rhythm problems

•high blood pressure

•other chronic disease

•prostate trouble

•taken an MAOI like Carbex, Eldepryl, Marplan, Nardil, or Parnate within the last 14 days

•thyroid disease

•an unusual or allergic reaction to guaifenesin, phenylephrine, other medicines, foods, dyes, or preservatives

•pregnant or trying to get pregnant

•breast-feeding

How should I use this medication?

Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Take with food or milk. Do not crush or chew. Take your doses at regular times. Do not take more medicine than directed.

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.

Patients over 60 years old may have a stronger reaction to this medicine and need smaller doses.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

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 medication?

Do not take this medicine with any of the following medications:

•any stimulant medication

•bromocriptine

•ergot medications for headaches or some procedures

•MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate

•procarbazine

This medicine may also interact with the following medications:

•indomethacin

•mecamylamine

•medicines for chest pain, heart disease, high blood pressure, or heart rhythm problems

•medicines for depression or other mental disturbances

•methyldopa

•other medicines for allergies or colds

•reserpine

•some medicines used during surgery

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Tell your doctor or health care professional if your symptoms do not improve within 5 days or if they get worse. If you have trouble falling asleep at night, take the last dose of the day at least a few hours before bedtime.

Drink 6 to 8 glasses water daily while you are taking this medicine to help loosen mucus.

What side effects may I notice from receiving this medication?

Side effects that you should report to your doctor or health care professional as soon as possible:

•allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

•confusion

•difficulty passing urine

•fast or irregular heartbeat

•hallucinations

•high blood pressure

•seizure

•tremor

•trouble breathing

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

•anxiety, excitement, irritability, nervousness

•diarrhea

•dizziness

•headache

•loss of appetite

•stomach upset, nausea

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.