Robitussin Maximum Strength Nighttime Cough DM

Dextromethorphan is a medicine that helps stop coughing. It works on the brain signals that cause the cough reflex.

Doxylamine is a type of antihistamine that lessens the effects of histamine in the body. Histamine can lead to sneezing, itching, watery eyes, and a runny nose.

Robitussin Maximum Strength Nighttime Cough DM is used to relieve cough, runny or stuffy nose, sneezing, itching, and watery eyes that are caused by allergies, the common cold, or the flu.

Robitussin Maximum Strength Nighttime Cough DM will not work for a cough caused by smoking, asthma, or emphysema.

Robitussin Maximum Strength Nighttime Cough DM may also be used for reasons not mentioned in this medication guide.

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Cough or cold medicine is usually taken only for a short time until your symptoms go away.

Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.

Call your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash.

If you need surgery or medical tests, tell the surgeon or doctor ahead of time if you have taken Robitussin Maximum Strength Nighttime Cough DM within the past few days.

Store at room temperature away from moisture and heat. Do not allow the liquid to freeze.

Do not use Robitussin Maximum Strength Nighttime Cough DM if you have taken an MAO inhibitor in the last 14 days, including isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.

Do not give this medicine to a child younger than 4 years old. Always consult a doctor before giving any cough or cold medicine to a child. Misusing cough and cold medicines in very young children can lead to death.

You should not use antihistamine medication to make a child sleepy.

You should not use this medicine if you are allergic to dextromethorphan or doxylamine.

Do not use Robitussin Maximum Strength Nighttime Cough DM if you have taken an MAO inhibitor in the last 14 days. A serious drug interaction could happen. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Do not give this medicine to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Misuse of cough and cold medicines can lead to death in very young children.

You should not use antihistamine medication to make a child sleepy.

To ensure Robitussin Maximum Strength Nighttime Cough DM is safe for you, tell your doctor if you have:

• high blood pressure, heart disease;
• a thyroid disorder;
• a blockage in your digestive tract (stomach or intestines);
• liver or kidney disease;
• diabetes;
• cough with mucus, or cough caused by emphysema or chronic bronchitis;
• bladder obstruction or other urination problems; or
• if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).

It is not known whether Robitussin Maximum Strength Nighttime Cough DM will harm an unborn baby. Ask a doctor before using this medicine if you are pregnant.

Dextromethorphan and doxylamine may pass into breast milk and may harm a nursing baby. Antihistamines may also reduce breast milk production. Ask a doctor before using this medicine if you are breast-feeding.

Cough or cold medicine that is artificially sweetened may contain phenylalanine. If you have phenylketonuria (PKU), check the medication label to see if the product contains phenylalanine.

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

Robitussin Maximum Strength Nighttime Cough DM may cause serious side effects. Stop using Robitussin Maximum Strength Nighttime Cough DM and call your doctor right away if you have:

• severe dizziness or anxiety;
• a light-headed feeling, like you might faint;
• little or no urinating; or
• liver problems—nausea, upper stomach pain, itching, feeling very tired, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Common side effects of Robitussin Maximum Strength Nighttime Cough DM may include:

• drowsiness, dizziness;
• nervousness;
• sleep problems (insomnia); or
• feeling restless or excited (especially in children).

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

Since Robitussin Maximum Strength Nighttime Cough DM is taken as needed, you might not have a specific dosing schedule. If you do have a schedule, take the missed dose as soon as you remember. If it is nearly time for your next scheduled dose, skip the missed dose. Do not take extra medicine to make up for the missed dose.

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

Drinking alcohol can increase some side effects of dextromethorphan and doxylamine.

Ask a doctor or pharmacist before using any other cold, cough, allergy, or sleep medicine. Many combination medicines contain dextromethorphan or doxylamine. Taking certain products together can cause you to get too much of Robitussin Maximum Strength Nighttime Cough DM.

This medicine may cause blurred vision or affect your thinking or reactions. Avoid driving or operating machinery until you know how Robitussin Maximum Strength Nighttime Cough DM will affect you.

Ask a doctor or pharmacist before using this medicine if you are taking any other medications, including prescription and over-the-counter medicines, vitamins, and herbal products. Some medicines can cause unwanted or dangerous effects when taken together. Not all possible interactions are included in this medication guide.

Using this medicine with other drugs that cause drowsiness or slow your breathing can make these effects worse. Ask your doctor before taking Robitussin Maximum Strength Nighttime Cough DM with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.