Generic Name(s): guaifenesin, phenylephrine and phenylpropanolamine
Drug Class: Upper respiratory combinations
Treats: Cold, cough, Nasal congestion, rash, watery eyes
Phenesin (guaifenesin, phenylephrine and phenylpropanolamine) is a medication that treats symptoms related with respiratory tract illness, colds and allergies. It can relieve and treat symptoms such as rash, runny nose, itchy eyes very effectively. Phenesin is available in the form of solution, tablets or capsules and should only be administered.
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Phenesin is a combination medication for treating various symptoms caused by allergy, common cold and other upper respiratory tract infections. Phenesin is formulated by combining three medicines mainly including guaifenesin, phenylephrine and phenylpropanolamine.;
Guaifenesin is the expectorant agent that clears nasal congestion by loosening and thinning mucus along the airways. Phenylephrine and phenylpropanolamine are the decongestant agents that work by constricting the blood vessels in the nasal passages to relieve nasal congestion.
Conditions that Phenesin can be used for,
- Nasal congestion
- Upper respiratory tract infections
- Itchy skin
- Watery eyes
Phenesin must be administered as prescribed by the physician for it to work as expected. The drug is supplied with clear instructions from the manufacturer describing how it should be administered. It is important to follow the instructions as provided by the manufacturer and you can also go for expert interpretation. The patient should never take Phenesin in a large amount as this can result to severe healthy complications.
Usual adult dosage for cough and nasal congestion:
- Tablets; 1 tablet up to 4 times a day.
- Syrup; 10 mL orally every 4 to 6 hours.
- Capsules; 1 to 2 capsules every 4 to 6 hours.
Usual pediatric dosage for cough and nasal congestion:
- 2 - 6 years; 2 mL every 4 to 6 hours. Max dose; 4 mL/day.
- 6 - 12 years; 5 mL orally every 4 to 6 hours. Max dose; 6 doses a day.
Phenesin Side Effects
Phenesin is known for causing several side effects. The severity of the side effect is mostly determined by the patient's response to the medication. The fact that this drug is also supplied as a liquid, there is always a possibility of the patient taking it in a large amount or overdosing than prescribed. Medication abuse is indeed one of the main causes of Phenesin severe side effects.
Phenesin common side effects:
- Dry mouth
- Trouble sleeping
- Loss of appetite
Severe side effects:
- Swelling of the mouth
- severe high blood pressure
- Difficulty in urinating
- Tightness in the chest
- Severe dizziness
- Vision changes
Phenesin has been confirmed to interact with several drugs and thus you must be very careful when you are under its medication. Most of the severe side effects that have been recommended have been established to be a result of drug combinations. Avoid taking Phenesin when you are under another treatment unless you have been advised by your physician.
These are the interacting drugs: