Common side effects of Spedra include: Back pain, dizziness, indigestion, flushing, headache, migraine, muscle pain, nasal congestion, nausea, visual disturbances, vomiting.
Uncommon side effects include: drowsiness, nose bleeds, high blood pressure, low blood pressure, painful red eyes, heart palpitations, fast heart rate.
Other side effects exist, you should always inform your doctor if you experience any side effects. If you experience allergy symptoms i.e. rash, shortness of breath, you should seek emergency medical attention. Always read the patient information leaflet that comes with your medication.

Authored by Ian Coakley
Medical Content Writer
Ian is a content writer at Simple Online Pharmacy. With a background in science communication, editing, and freelance writing, Ian aims to empower readers with accessible health information.
Updated 26/06/2025