Siltussin DM

Siltussin DM is a combination medicine that helps treat cough and chest congestion caused by allergies, the common cold, or the flu.

Siltussin DM may also be used for other reasons that are not mentioned in this medication guide.

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

Your dose might change if you use a different brand, strength, or form of this medicine. To avoid medication errors, use it exactly as directed on the label or as prescribed by your doctor.

Do not give this medicine to a child without consulting a doctor. Follow all instructions carefully when giving this medicine 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 using the measuring device provided (not a kitchen spoon).

You may need to shake the liquid before measuring a dose. Follow all instructions on the label.

Swallow the extended-release tablet whole; do not crush, chew, or break it.

Dissolve the effervescent tablets in at least 4 ounces of water. Stir and drink it right away. You can add more water to the glass, swirl, and drink.

Sprinkle the granules directly onto your tongue and swallow immediately.

Drink extra fluids to help loosen the congestion and keep your throat moist while taking this medicine.

Call your doctor if your symptoms do not improve after 7 days, or if you have a fever, rash, or headaches.

Follow the storage instructions provided with this medicine. Your pharmacist can give you more information on how to store this medicine.

Do not use this medicine if you are currently using or have used an MAO inhibitor in the last 14 days. A serious drug interaction could happen. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.

You should not take Siltussin DM if you are allergic to it.

Do not use Siltussin DM if you are currently using or have used an MAO inhibitor in the last 14 days. This could lead to a dangerous drug interaction. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.

Ask a doctor or pharmacist if this medicine is safe for you to use if you have:

• a cough with mucus; or
• asthma, emphysema, or chronic bronchitis.

This medicine may contain phenylalanine and could be harmful if you have phenylketonuria (PKU).

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

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

Siltussin DM can cause serious side effects. Stop using Siltussin DM and contact your doctor immediately if you experience:

• changes in mood;
• a severe headache; or
• severe dizziness or anxiety, feeling like you might faint.

Common side effects of Siltussin DM may include:

• dizziness, drowsiness;
• trouble sleeping (insomnia);
• diarrhea; or
• feeling nervous, restless, anxious, or irritable.

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

Siltussin DM can be taken as needed. If you are following a dosing schedule and miss a dose, just skip it. Do not take two doses at the same time.

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

• Avoid driving or hazardous activity until you know how Siltussin DM will affect you. Your reactions could be impaired.

• Ask a doctor or pharmacist before taking other cough or cold medicines that may contain similar ingredients.

• Drinking alcohol with this medicine can cause side effects.

Ask a doctor or pharmacist before using any other medicines that can cause drowsiness (such as opioid medication, sleep medicine, a muscle relaxer, or medicine for anxiety or seizures). Tell your doctor about all other medicines you use. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here.