Nausea, vomiting, constipation, lightheadedness, dizziness, drowsiness, or headache may occur. Some of these side effects may decrease after you have been using this medication for a while. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
What are the bad side effects of tramadol?
Tramadol may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- sleepiness.
- difficulty falling asleep or staying asleep.
- headache.
- nervousness.
- uncontrollable shaking of a part of the body.
- muscle tightness.
- changes in mood.
- heartburn or indigestion.
How long do side effects from tramadol last?
The effects of immediate-release tramadol will be felt for about 4–6 hours, while the extended-release version provides effects for about 12-24 hours. Whether for medical or recreational use, common side effects of tramadol use include: Headache.
