Nausea, vomiting, constipation, lightheadedness, dizziness, drowsiness, headache, or weakness may occur.

serious side effects

• unusual or extreme stiffness in the muscles
• shaking (tremor)
• severe stomach Pain
• abdominal pain
• changing in the amount of urine
• vision changes

Rarely very serious condition: serotonin syndrome symptoms:

• mental/mood changes
• agitation
• hallucinations,
• unusual restlessness
• loss of coordination
• fast heartbeat
• severe dizziness
• unexplained fever
• severe nausea/vomiting/diarrhea
• twitchy muscles

Rarely but very serious side effects

• slow/shallow breathing
• seizures, fever
• flu-like symptoms

very serious allergic reaction

• rash
• itching/swelling (especially of the face/tongue/throat)
•  severe dizziness
• trouble breathing.

If you have above side effects, you should contact your doctors to find a better soluitons.

For more detail side effect of tramadol list. We list it here.

Get emergency help immediately if any of the following symptoms of overdose occur:

• Change in consciousness
• Chest pain or discomfort
• Convulsions (seizures)
• Decreased awareness or responsiveness
• Difficulty in breathing
• Dizziness or fainting
• Lack of muscle tone
• Lightheadedness
• Loss of consciousness
• Pinpointed pupils of the eyes
• Severe sleepiness
• Shortness of breath
• Slow or irregular heartbeat
• Unusual tiredness

Check with your doctor as soon as possible if any of the following side effects occur:

Less common or rare

• Abdominal fullness
• Abnormal or decreased touch sensation
• Blisters under the skin
• Bloating
• Blood in urine
• Blood pressure increased
• Blurred vision
• Change in walking and balance
• Chest pain or discomfort
• Chills
• Convulsions (seizures)
• Darkened urine
• Difficult urination
• Dizziness or lightheadedness when getting up from a lying or sitting position
• Fainting
• Fast heartbeat
• Frequent urge to urinate
• Gaseous abdominal pain
• Heart rate increased
• Indigestion
• Irregular heartbeat
• Loss of memory
• Numbness and tingling of face, fingers, or toes
• Numbness, tingling, pain, or weakness in hands or feet
• Pain in arms, legs, or lower back, especially pain in calves and/or heels upon exertion
• Pain or discomfort in arms, jaw, back or neck
• Pains in stomach, side, or abdomen, possibly radiating to the back
• Pale bluish-colored or cold hands or feet
• Recurrent fever
• Seeing, hearing, or feeling things that are not there
• Severe cramping
• Severe nausea
• Severe redness, swelling, and itching of the skin
• Shortness of breath
• Sweats
• Trembling and shaking of hands or feet
• Trouble performing routine tasks
• Weak or absent pulses in legs
• Yellow eyes or skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

• Abdominal or stomach pain
• Agitation
• Anxiety
• Constipation
• Cough
• Diarrhea
• Discouragement
• Dizziness
• Drowsiness
• Dry mouth
• Feeling of warmth
• Feeling sad or empty
• Feeling unusually cold
• Fever
• General feeling of discomfort or illness
• Headache
• Heartburn
• Irritability
• Itching of the skin
• Joint pain
• Loss of appetite
• Loss of interest or pleasure
• Loss of strength or weakness
• Muscle aches and pains
• Nausea
• Nervousness
• Redness of the face, neck, arms and occasionally, upper chest
• Restlessness
• Runny nose
• Shivering
• Skin rash
• Sleepiness or unusual drowsiness
• Sore throat
• Stuffy nose
• Sweating
• Tiredness
• Trouble concentrating
• Unusual feeling of excitement
• Unusual tiredness or weakness
• Vomiting
• Weakness

Less common or rare

• Abnormal dreams
• Appetite decreased
• Back pain
• Bladder pain
• Blistering, crusting, irritation, itching, or reddening of skin
• Bloody or cloudy urine
• Body aches or pain
• Change in hearing
• Clamminess
• Cold flu-like symptoms
• Confusion
• Cough producing mucus
• Cracked, dry, scaly skin
• Decreased interest in sexual intercourse
• Difficult, burning, or painful urination
• Difficulty breathing
• Difficulty in moving
• Disturbance in attention
• Ear congestion
• Ear drainage
• Earache or pain in ear
• Excessive gas
• Fall
• False or unusual sense of well-being
• Feeling hot
• Feeling jittery
• Flushing or redness of the skin
• General feeling of bodily discomfort
• Goosebumps
• Headache, severe and throbbing
• Hoarseness
• Hot flashes
• Inability to have or keep an erection
• Itching, pain, redness, swelling, tenderness, warmth on skin
• Joint sprain
• Joint stiffness
• Joint swelling
• Loss in sexual ability, desire, drive, or performance
• Loss of voice
• Lower back or side pain
• Muscle aching or cramping
• Muscle injury
• Muscle pain or stiffness
• Muscle spasms or twitching
• Nasal congestion
• Neck pain
• Night sweats
• Pain
• Pain in limb
• Pain or tenderness around eyes and cheekbones
• Pain, swelling, or redness in joints
• Skin discoloration
• Swelling
• Swelling of hands, ankles, feet, or lower legs
• Tightness of chest
• Trouble in holding or releasing urine
• Trouble in sleeping
• Troubled breathing
• Weight increased or decreased

After you stop using this medicine, it may still produce some side effects that need attention. During this period of time, check with your doctor immediately if you notice the following side effects:

• Anxiety
• Body aches
• Diarrhea
• Fast heartbeat
• Fever, runny nose, or sneezing
• Gooseflesh
• High blood pressure
• Increased sweating
• Increased yawning
• Loss of appetite
• Nausea or vomiting
• Nervousness, restlessness or irritability
• Shivering or trembling
• Stomach cramps
• Trouble in sleeping
• Unusually large pupils
• Weakness

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.