Generic Name(s): dextromethorphan/guaifenesin/phenylephrine
Drug Class: Upper respiratory combinations
Treats: Cough, chest congestion, stuffy nose
Giltuss is a combination of guaifenesin, dextromethorphan and phenylephrine. Giltuss is a decongestant, an expectorant and a cough suppressant. Giltuss is used in the treatment of chest congestion, cough and stuffy nose that is commonly caused by the common cold, allergies, breathing illnesses and hay fever. Dextromethorphan works by affecting a particular part of the brain that reduces the urge to cough.
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Dextromethorphan acts on a particular part of the brain to minimize the urge to cough. Guaifenesin works by loosening and thinning of the mucus in the lungs making it easier to cough up the mucus. Phenylephrine works by relieving symptoms of a stuffy nose. Giltuss is used to treat:
- chest congestion
- stuffy nose
These occur due to the common cold, allergies, breathing illnesses and hay fever. Hay fever is an allergy that takes place as a result of the pollen or dust exposure where the eyes and nose mucous membranes become itchy and inflamed leading to a runny nose and watery eyes. Hay fever and allergic rhinitis occur together in many cases. Their signs and symptoms include nasal congestion, clear runny nose, sneezing, itching of the eyes and nose and excess production of the tears.
The dosage of Giltuss depends on the individual and the condition being treated. Follow all the instructions as written on your medicine label, if you are taking Giltuss over the counter. Consult your pharmacist if you have any query. Additionally, follow your doctor's directions if he or she prescribed the medicine for you. Administer the tablet, capsule or liquid form of this drug by mouth without any food consideration. If stomach upset occurs, take the medicine with food.
Adult dose for cough and nasal congestion
- Take 15mg dextromethorphan, 300mg phenylephrine and phenylephrine 10mg/5ml
Giltuss Side Effects
Just like any other drug Giltuss may cause unwanted side effects as well. Some of those effects may disappear with time and may not need any medical attention. Others may persist and become more annoying to the user. Diarrhea, dizziness and drowsiness have been reported as some of the most common side effects of this medication. Call your doctor for help immediately if you experience any severe or persistent side effects. Below you will find a list of side effects associated with Giltuss. Note that not all possible side effects are listed.
- urinating difficulties
- persistent dizziness
- mental or mood changes
- slow or irregular heartbeat
Like any drug, Giltuss may interact with other drugs and substances. In some cases, certain drug combinations are not recommended. This is because the two or more combined drugs are likely to interact which may increase the severity of your side effects. However, you can prevent such incidences by letting your doctor know about any other type of drug you are using whether medicated or not. Some of the commonly checked medications in combination with Giltuss include the following. Note that not all possible Giltuss interactions are listed here.
- Klonopin (Clonazepam)
- Novolog (mometason nasal)
- Lantus (insulin glargine)
- Flexeril (cyclobenzaprine)