Nerve Pain Medicine Side Effects — Compared Across 6 Medical Sources

This tool aggregates publicly available information for reference only. It is not medical advice. Always consult a healthcare professional before making decisions about medication.

89 side effects

Side effect	Frequency	National Institutes of Health (NCBI)	Mayo Clinic	Mayo Clinic Connect	Cleveland Clinic	NHS	GoodRx
Nausea	common	nausea	nausea	—	Nausea and vomiting	Feeling sick (nausea)	Nausea
Dizziness	common	dizziness	dizziness	dizziness	Dizziness	Feeling dizzy	Dizziness
Somnolence	common	somnolence	—	—	Increased sleepiness	Feeling sleepy	Drowsiness
Constipation	—	constipation	—	—	—	—	Constipation
Dry mouth	—	dry mouth	—	—	—	Dry mouth	Dry mouth
Sedation	common	sedation	—	—	Excess sedation	—	—
Anxiety	common	—	anxiety	—	anxiety	Mood changes	Anxiety
Depression	—	—	depression	—	depression	—	Depression
Mood changes	—	—	mood changes	—	—	Mood changes	Mood swings
Aggressive behavior	—	—	aggressive behavior	—	—	—	Aggressive behavior
Cognitive impairment	—	—	—	cognitive impairment	—	—	—
Fatigue	common	—	—	fatigue	severe fatigue	Feeling tired	Fatigue
Memory problems	—	—	loss of memory	memory problems	memory loss	Memory problems	Memory problems
Blurred vision	—	—	blurred vision	—	blurred vision	Blurred vision	Blurred vision
Tremors	common	—	—	—	tremors	—	Tremor
Seizures	—	—	seizures	—	—	—	—
Confusion	—	—	confusion	—	confusion	confusion	—
Allergic reaction	—	—	—	—	allergic reaction	—	Allergic reaction
Rash	—	—	—	—	skin rash	rash	—
Liver abnormalities	—	—	—	—	liver abnormalities	—	—
Kidney abnormalities	—	—	—	—	kidney abnormalities	—	—
Urination problems	—	—	—	—	trouble urinating	—	—
Suicidal thoughts	—	—	—	—	suicidal thoughts	suicidal thoughts	Suicidal thoughts or behaviors
Weight gain	—	—	—	—	weight gain	weight gain	Weight gain
Coordination problems	—	—	—	—	coordination problems	—	Trouble with balance or coordination
Unsteadiness	—	—	unsteadiness	—	unsteadiness	—	—
Double vision	—	—	—	—	double vision	—	Double vision
Eye movements	—	—	eye movements	—	unusual eye movements	—	Unusual eye movements
Unusual eye movements	—	—	—	—	—	—	—
Difficulty speaking	—	—	—	trouble speaking	difficulty speaking	—	—
Slurred speech	—	—	—	—	slurred speech	—	—
Drowsiness	common	—	—	—	drowsiness	—	Drowsiness
Restlessness	—	—	—	—	—	—	Restlessness
Sexual problems	—	—	—	—	—	—	Sexual problems
Mood swings	—	—	—	—	—	—	Mood swings
Trouble concentrating	—	—	concentration problems	—	—	—	Trouble concentrating
Hyperactivity	—	—	hyperactivity	—	—	—	Restlessness and hyperactivity
Angioedema	rare	—	—	—	—	—	Angioedema
Anaphylaxis	rare	—	—	—	—	anaphylaxis	Anaphylaxis
DRESS syndrome	—	—	—	—	—	—	DRESS syndrome
Misuse	—	—	—	—	—	—	Misuse
Excess sedation	—	—	—	—	excess sedation	—	—
Stomach pain	common	—	stomach pain	—	stomach pain	stomach pain	stomach-related side effects
Diarrhea	—	—	—	—	diarrhea	Diarrhoea	Diarrhea
Vomiting	—	—	—	—	vomiting	Being sick (vomiting)	Vomiting
Fever	common	—	fever	—	fever	high temperature	—
Cough	uncommon	—	cough	—	—	—	—
Sore throat	—	—	sore throat	—	—	—	—
Swollen glands	—	—	swollen glands	—	—	swollen glands	—
Unusual bleeding	—	—	unusual bleeding	—	—	unusual bruises or bleeding	—
Unusual tiredness	—	—	unusual tiredness	—	—	—	—
Blistering	—	—	—	—	—	—	—
Coma	—	—	—	—	—	—	—
Dark urine	—	—	—	—	dark urine	—	—
Decreased urine output	—	—	—	—	decreased urine output	—	—
Fast heartbeat	—	—	—	—	fast heartbeat	—	—
Headache	—	—	headache	—	headache	headaches	—
Increased thirst	—	—	—	—	increased thirst	—	—
Irregular breathing	—	—	—	—	irregular breathing	—	—
Itching	—	—	—	—	itching	—	—
Joint pain	—	—	—	—	joint pain	—	—
Large swelling	—	—	—	—	large swelling	—	—
Loss of appetite	—	—	—	—	—	—	—
Loss of bladder control	—	—	—	—	loss of bladder control	—	—
Muscle ache	—	—	—	—	muscle pain	muscle pain or weakness	—
Muscle spasm	—	—	—	—	muscle spasm	—	—
Pale skin	—	—	—	—	—	—	—
Red skin lesions	—	—	—	—	—	—	—
Red eyes	—	—	—	—	—	—	—
Shakiness	—	—	—	—	—	—	—
Sudden loss of consciousness	—	—	—	—	—	—	—
Trembling	—	—	—	—	—	—	—
Unpleasant breath odor	—	—	—	—	—	—	—
Vomiting blood	—	—	—	—	—	—	—
Yellow eyes or skin	—	—	—	—	yellowing of skin	yellow eyes or skin	—
Delusions	—	—	—	—	—	—	—
Dementia	—	—	—	—	—	—	Dementia
Hoarseness	—	—	—	—	—	—	—
Nystagmus	—	—	—	—	—	—	Nystagmus
Erectile dysfunction	—	—	—	—	—	difficulty getting an erection	Erectile dysfunction
Decreased sex drive	—	—	—	—	—	—	Decreased sex drive
Trouble orgasming	—	—	—	—	—	—	Trouble orgasming
Black tongue	—	—	—	—	—	—	—
Bloody stools	—	—	—	—	—	—	—
Swollen arms and legs	common	—	—	—	—	swollen arms and legs	Swollen arms and legs
High temperature	—	—	—	—	—	high temperature	—
Hallucinations	—	—	—	—	—	hallucinations	—
Addiction	—	—	—	—	—	addiction	—
Withdrawal symptoms	—	—	—	—	—	withdrawal symptoms	Withdrawal symptoms

5 additional sourcesdidn't return structured side-effect data: Harvard Health, Healthdirect, Solace, Medical News Today, Understood Care.

Demographic risk groups

Group	Risk	Sources
patients with impaired kidney function	higher risk of adverse effects	National Institutes of Health (NCBI)
patients with alcohol use	higher risk of adverse effects	National Institutes of Health (NCBI)
patients with other morbidities	higher risk of adverse effects	National Institutes of Health (NCBI)
patients	averaged 50 years of age	National Institutes of Health (NCBI)
Children	different symptoms of anaphylaxis	Mayo Clinic, Cleveland Clinic, NHS, GoodRx
elderly	Increased risk for breathing problems	Mayo Clinic Connect, Cleveland Clinic, GoodRx
adults	nerve pain following shingles	Cleveland Clinic
Patients with lung conditions	Increased risk for breathing problems	Cleveland Clinic
pregnant	potential harm to unborn baby	Cleveland Clinic
breastfeeding	passes into breast milk	Cleveland Clinic
Pregnant women	Contraception may not protect from pregnancy	NHS
Women taking contraceptive pill	Contraception may not protect from pregnancy	NHS
people with kidney failure	higher risk of muscle pain or weakness	NHS
Kids	Flu-like symptoms	GoodRx
Older adults	Higher risk of edema	GoodRx
People with heart conditions	Excess stress on the heart	GoodRx
People with kidney problems	Problematic edema	GoodRx
People with liver problems	Problematic edema	GoodRx