D-Phen 1000

D-Phen 1000 is a combination medicine that helps adults and children with allergy symptoms like runny or stuffy nose, sneezing, watery eyes, itching in the nose and throat, cough with mucus, sinus pain, and to lessen chest congestion caused by the common cold, hay fever, or other allergies.

There are many brands and forms of guaifenesin and phenylephrine available, and not all of them are mentioned in this leaflet.

D-Phen 1000 may also be used for other reasons that are not included in this medication guide.

Use exactly as directed on the label, or as prescribed by your doctor. Cold or cough medicine is only for short-term use.

Follow all directions when giving D-Phen 1000 to a child. Do not use the medicine to make a child sleepy. Misuse of this medicine may cause death in very young children.

Measure liquid medicine with the supplied measuring device (not a kitchen spoon).

Take the tablet with a full glass of water.

Your dose needs may change if you switch to a different brand, strength, or form of this medicine. Avoid medication errors by using exactly as directed on the label, or as prescribed by your doctor.

Taking more than your recommended dose will not make this medicine more effective, and may cause serious side effects.

Stop using this medicine and call your doctor if your symptoms do not improve or get worse after 7 days, or if you also have a fever, rash, or headaches.

Store at room temperature away from moisture and heat.

Do not use D-Phen 1000 if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could happen. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.

Taking more than your recommended dose will not make D-Phen 1000 work better and may lead to serious side effects.

Do not use D-Phen 1000 if you have taken an MAO inhibitor in the last 14 days. A dangerous interaction with other drugs could happen. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine. Wait at least 14 days after stopping an MAO inhibitor before taking this medicine.

Tell your doctor if you have or have ever had:

• high blood pressure;
• heart disease;
• diabetes;
• a thyroid disorder;
• urination problems due to an enlarged prostate; or
• cough with mucus or a chronic cough caused by smoking, asthma, chronic obstructive pulmonary disease (COPD), or another breathing disorder.

Ask your doctor before using this medicine if you are pregnant or breastfeeding.

Do not give this medicine to a child without medical advice.

Get emergency medical help if you have signs of an allergic reaction: hives, trouble breathing, swelling of your face, lips, tongue, or throat.

D-Phen 1000 may cause serious side effects. Stop using D-Phen 1000 and call your doctor right away if you have:

• nervousness, dizziness, sleep problems (insomnia).

This is not a complete list of side effects, and others may occur. Call your doctor for medical advice about side effects. You can report side effects to FDA at 1-800-FDA-1088.

D-Phen 1000 is used as needed. If you are following a dosing schedule and miss a dose, skip that dose. Do not take two doses at the same time.

Seek emergency medical help or call the Poison Help line at 1-800-222-1222.

Talk to a doctor or pharmacist before using other cough or cold medicines that may have similar ingredients.

Ask a doctor or pharmacist before using any other medicines that can make you feel sleepy (like opioid medication, sleep medicine, a muscle relaxer, or medicine for anxiety or seizures). Inform your doctor about all other medicines you are taking. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all potential interactions are listed here.