Sumo Cold, Caffeine/ Diphenhydramine/ Paracetamol/ Phenylephrine

Diphenhydramine is used in the treatment of allergic disorders and the symptoms it causes.

Diphenhydramine　works by blocking histamine receptors and increasing the breakdown of Diphenhydramine works by selectively inhibiting the H1 histamine receptors therefore preventing histamine from acting on its receptors Diphenhydramine helps to alleviate the symptoms caused by hay fever or other allergies (such as a runny nose and watery eyes).

Patients who take Diphenhydramine may suffer from such side effects;

Nausea,
Nervousness,
Fatigue,
Headache,
Hypersensitivity reaction,
Inability to empty the urinary bladder,
Increased energy,
Muscle twitching,
Palpitations,
Blurred vision,
Confusion,
Convulsion,
Difficulty in paying attention,
Dizziness,
Drowsiness,
Dry mouth,
Shortness of breath,
Difficulty in urination,
Eye swelling,
Lip swelling,
Restlessness,
Ringing in ear,
Sedation,
Tachycardia,
Thickened respiratory tract secretions,
Unsteadiness,
Vomiting

Phenylephrine is used in the treatment of nasal congestion, pupil dilation and low blood pressure that can occur during different type of anesthesia

Phenylephrine works by decreasing swelling in the blood vessels of the nose and ears, thus lessening discomfort and making it easier to breathe. Phenylephrine is also be used dilate the eyes prior to eye surgery.

Patients who take Phenylephrine may suffer from such side effects;

Nausea,
Vomiting,
Headache,
Palpitations,
Increased blood pressure,
Increased heart rate,
Irregular Heart beat

Paracetamol is used in the treatment of reducing fever, and relieving pain such as headache, pain during menstruation, arthralgia, myalgia, dental pain and post operative pain.

Paracetamol inhibits and blocks the production of pain and inflammation-causing chemicals called prostaglandins. Prostaglandins are found throughout the body, but paracetamol mainly works on those in the brain that are responsible for pain and fever.

Patients who take Paracetamol may suffer from such side effects;

Allergic reaction,
Liver damage,
Diarrhoea