Caffeine is used in the treatment of migraine.
Migraine headaches are thought to result from the dilatation of blood vessels in the head. Caffeine works by constricting (narrowing) these blood vessels, thus relieving the migraine headache.
Insomnia (difficulty in sleeping), Dehydration
Paracetamol / Acetaminophen is used for pain relief and fever. It is used to relieve pain in conditions like headache, joint pain, muscle pain or dental pain.
Paracetamol / Acetaminophen is a pain reliever (analgesic) and fever reducer (antipyretic). It works by blocking the production of the chemical messengers (prostaglandins) that transmit pain signals and induce fever.
Levocetirizine is used in the treatment of allergy symptoms.
Levocetirizine is an antihistaminic medication. It treats allergy symptoms such as such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body.
Phenylephrine is used in nasal congestion and pupil dilation. It is also used to treat low blood pressure that can occur during different types of anesthesia.
Phenylephrine is a nasal decongestant. It narrows the small blood vessels, which provide temporary relief from congestion or stuffiness in the nose.
Nausea, Vomiting, Headache, Palpitations, Increased blood pressure, Increased heart rate, Heart beat irregular