Phenylephrine: how to take it safely
Sudafed PE
Reviewed by Pharm. Abeeb Junior
What it is for
Relieves a blocked nose and sinuses from colds and flu.
How to take it
Swallow with water.
When to take it
Take it every 4 hours when needed, up to the label maximum.
Take it with
With or without food.
What to avoid
- Using it for more than 5 to 7 days.
- Tell your doctor if you have high blood pressure, heart disease or thyroid problems.
- Taking it with other cold products with the same ingredient.
Possible side effects
Trouble sleeping, nervousness, headache, mild stomach upset.
Get help if
Chest pain, a very fast heartbeat or severe headache: get urgent help.
This is general information, not personal medical advice. Always follow your doctor's or pharmacist's instructions and read the leaflet that comes with your medicine. Medicines and doses can differ between products and people.