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How long does robitussin dm take to work?

How long does Robitussin take to work? As soon as dextromethorphan enters the blood stream, it starts to work with your body. This usually happens around 15 minutes of ingestion. The peak efficiency of the medicine occurs at 2 hours.

How often do you need to take Robitussin DM? Robitussin DM and its generic counterparts contain dextromethorphan HBr 10mg, which is a cough suppressant, and guaifenesin 100mg, which is an expectorant. It should not be used in children under 6 without talking to the child’s doctor first. 3  Adults 12 and older: Two teaspoons every four hours as needed for cough.

How much dextromethorphan is in Robitussin DM? Robitussin DM and its generic counterparts contain dextromethorphan HBr 10mg, which is a cough suppressant, and guaifenesin 100mg, which is an expectorant.

How does Robitussin work for a cold cough? How Cold Medicine Works. Antihistamines lock your body’s receptors that trigger itching, nasal irritation, sneezing and mucus production. Found in products such as: Robitussin® Severe Multi-Symptom Cough Cold + Flu Nighttime and Children’s Robitussin® Nighttime Cough Long-Acting DM.

Can a rash be a side effect of Robitussin DM? A rash may be a serious side effect of dextromethorphan. It can indicate an allergic reaction. If you develop a rash while taking Robitussin DM, stop taking the medication and contact your doctor immediately. The active ingredients in Robitussin DM can interact with other drugs, vitamins, or herbs you may be taking.

How often can you take Robitussin DM for a cough?

How often can you take Robitussin DM for a cough? Adults 12 and older: Two teaspoons every four hours as needed for cough. Do not take more than six doses in 24 hours. Children ages 6 to 12: One teaspoon every four hours. Do not take more than six doses in 24 hours.

Can you miss a dose of Robitussin DM? If you take Robitussin DM (guaifenesin and dextromethorphan liquid) on a regular basis, take a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time.

Is it safe to take Robitussin DM with guaifenesin? You must check to make sure that it is safe for you to take Robitussin DM (guaifenesin and dextromethorphan liquid) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What should I do if I give my Child Robitussin? Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children. Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication. Take Robitussin with food if it upsets your stomach.