See also Warning section. Drowsiness, dizziness, blurred vision, upset stomach, nausea, constipation, or dry mouth/nose/throat may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

What are the side effects of Delsym Nighttime Cough (Oral)?

• any new or worsening symptoms;
• nervousness, dizziness, or drowsiness;
• fever for longer than 3 days;
• redness, swelling, or rash;
• ongoing headache; or.
• pain, cough, or sinus congestion lasting more than 7 days.

Drug Label Information

Dextromethorphan (Delsym) is a cough suppressant. It's usually well-tolerated. But it can cause mild side effects like nausea, dizziness, and drowsiness. More serious dextromethorphan side effects include serotonin syndrome.

Effective 12 hour cough relief I'm a big fan of Delsym products because they are very effective. This adult 12 hr cough relief works amazing. I take it in the morning to get through my workday without coughing and again before bed to get a good nights rest.

What medication should I take if I have a cough or experiencing congestion? Over-the-counter medication, such as guaifenesin (Mucinex), pseudoephedrine (Sudafed) and dextromethorphan (Robitussin and Delsym), can help alleviate these symptoms.

You should not use dextromethorphan if you are allergic to it. Dextromethorphan should not be given to a child younger than 12 years old.

Medical conditions: Talk to your doctor or pharmacist about using this product if you have serious kidney or liver disease, high blood pressure, heart or thyroid disease, diabetes, asthma, chronic lung disease or shortness of breath, persistent or chronic cough, glaucoma, difficulty urinating due to enlargement of ...

Dextromethorphan (Delsym) is an over-the-counter, oral medication that's used to relieve "dry" cough (a cough that doesn't produce any mucus). It comes in different formulations (including sugar-free), so you can choose the one that works best for you.

Check the medication label if you have phenylketonuria (PKU). You should not use dextromethorphan if you are allergic to it. Dextromethorphan should not be given to a child younger than 12 years old. Ask a doctor before using this medicine if you are pregnant or breast-feeding.

Take this medication by mouth with or without food, usually every 4 to 6 hours as needed or as directed by your doctor. If stomach upset occurs, it may help to take this medication with food or milk. Drink plenty of fluids when you use this medication unless otherwise directed by your doctor.

A product that contains only an expectorant (like guaifenesin for chest congestion) and a cough suppressant (like dextromethorphan) may work best. You don't need a product containing acetaminophen, as it's typically used to treat pain, like a sore throat or headache, or to help lower a fever.

Try cough medicine. If you have a wet cough with lots of mucus, you want to take an expectorant to help get the mucus out. If you have a dry cough, a cough suppressant is what you want. Make sure you choose the right one.