Delsym 12 Hour provides long lasting cough relief for the entire family. * When used twice daily, you'll be able to control your cough for up to 24 hours.

How long does dextromethorphan (Delsym) take to relieve cough? Dextromethorphan (Delsym) often starts to work within 15 to 30 minutes after taking it to relieve cough. For most people, the effect of the short-acting formulation of the medication typically lasts 5 to 6 hours.

The Gordons are glad to get back to their regular life of playing with the Great Dane puppy and enjoying Grandma's glorious gluten-free gooseberry pie.

What is Delsym? Delsym is a cough suppressant that is used to treat cough caused by the common cold or flu. Delsym will not treat a cough caused by smoking, asthma, or emphysema. There are many brands and forms of dextromethorphan available.

Slight drowsiness/dizziness, nausea, or vomiting may occur. Rarely, some people may experience severe drowsiness/dizziness with normal doses. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

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.

More serious dextromethorphan side effects include serotonin syndrome. Dextromethorphan also carries the risk of misuse, which can potentially cause overdose. Don't take more than 120 mg per day of dextromethorphan. And don't take it for longer than 7 days.

Reckitt Delsym is an American brand of cough medicine owned by Reckitt, and manufactured at Unither Manufacturing in Rochester, NY.

This product contains dextromethorphan. It is a cough suppressant that works by decreasing the feeling of needing to cough. Cough-and-cold products have not been shown to be safe or effective in children younger than 6 years.

Delsym has an average rating of 3.3 out of 10 from a total of 236 reviews on Drugs.com. 16% of reviewers reported a positive experience, while 69% reported a negative experience.

Drink plenty of fluids when you use this medication unless otherwise directed by your doctor. The fluid will help loosen the mucus in your lungs. If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon.

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.